./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/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_8f70890e-b929-430a-9b9f-894dc982ba7e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/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_8f70890e-b929-430a-9b9f-894dc982ba7e/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 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:05:35,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:05:35,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:05:35,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:05:35,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:05:35,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:05:35,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:05:35,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:05:35,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:05:35,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:05:35,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:05:35,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:05:35,634 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:05:35,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:05:35,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:05:35,636 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:05:35,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:05:35,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:05:35,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:05:35,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:05:35,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:05:35,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:05:35,639 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:05:35,640 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:05:35,640 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:05:35,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:05:35,641 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:05:35,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:05:35,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:05:35,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:05:35,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:05:35,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:05:35,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:05:35,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:05:35,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:05:35,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:05:35,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:05:35,644 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:05:35,644 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:05:35,645 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:05:35,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:05:35,645 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_8f70890e-b929-430a-9b9f-894dc982ba7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c [2023-11-29 04:05:35,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:05:35,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:05:35,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:05:35,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:05:35,880 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:05:35,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2023-11-29 04:05:38,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:05:38,747 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:05:38,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2023-11-29 04:05:38,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/bin/uautomizer-verify-BQ2R08f2Ya/data/9618e8ab9/ccf9b8a862574888a7b62f8c09117af6/FLAG5821179c3 [2023-11-29 04:05:38,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/bin/uautomizer-verify-BQ2R08f2Ya/data/9618e8ab9/ccf9b8a862574888a7b62f8c09117af6 [2023-11-29 04:05:38,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:05:38,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:05:38,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:05:38,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:05:38,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:05:38,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:05:38" (1/1) ... [2023-11-29 04:05:38,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152eacc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:38, skipping insertion in model container [2023-11-29 04:05:38,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:05:38" (1/1) ... [2023-11-29 04:05:38,808 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:05:39,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:05:39,019 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:05:39,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:05:39,078 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:05:39,078 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:05:39,086 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:05:39,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39 WrapperNode [2023-11-29 04:05:39,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:05:39,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:05:39,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:05:39,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:05:39,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39" (1/1) ... [2023-11-29 04:05:39,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39" (1/1) ... [2023-11-29 04:05:39,150 INFO L138 Inliner]: procedures = 29, calls = 96, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 514 [2023-11-29 04:05:39,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:05:39,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:05:39,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:05:39,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:05:39,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39" (1/1) ... [2023-11-29 04:05:39,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39" (1/1) ... [2023-11-29 04:05:39,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39" (1/1) ... [2023-11-29 04:05:39,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39" (1/1) ... [2023-11-29 04:05:39,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39" (1/1) ... [2023-11-29 04:05:39,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39" (1/1) ... [2023-11-29 04:05:39,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39" (1/1) ... [2023-11-29 04:05:39,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39" (1/1) ... [2023-11-29 04:05:39,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:05:39,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:05:39,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:05:39,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:05:39,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39" (1/1) ... [2023-11-29 04:05:39,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:05:39,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:05:39,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:05:39,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f70890e-b929-430a-9b9f-894dc982ba7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:05:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:05:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:05:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:05:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 04:05:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 04:05:39,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 04:05:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 04:05:39,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 04:05:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 04:05:39,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 04:05:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 04:05:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 04:05:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:05:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-29 04:05:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-29 04:05:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-29 04:05:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-29 04:05:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 04:05:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 04:05:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 04:05:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:05:39,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:05:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:05:39,296 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 04:05:39,475 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:05:39,477 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:05:40,164 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:05:40,520 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:05:40,520 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-29 04:05:40,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:05:40 BoogieIcfgContainer [2023-11-29 04:05:40,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:05:40,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:05:40,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:05:40,527 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:05:40,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:05:38" (1/3) ... [2023-11-29 04:05:40,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b37cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:05:40, skipping insertion in model container [2023-11-29 04:05:40,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:05:39" (2/3) ... [2023-11-29 04:05:40,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b37cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:05:40, skipping insertion in model container [2023-11-29 04:05:40,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:05:40" (3/3) ... [2023-11-29 04:05:40,530 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2023-11-29 04:05:40,539 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:05:40,549 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:05:40,550 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2023-11-29 04:05:40,550 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:05:40,685 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-29 04:05:40,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 454 places, 453 transitions, 972 flow [2023-11-29 04:05:40,892 INFO L124 PetriNetUnfolderBase]: 18/413 cut-off events. [2023-11-29 04:05:40,892 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-29 04:05:40,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 413 events. 18/413 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 796 event pairs, 0 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 346. Up to 3 conditions per place. [2023-11-29 04:05:40,904 INFO L82 GeneralOperation]: Start removeDead. Operand has 454 places, 453 transitions, 972 flow [2023-11-29 04:05:40,917 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 394 places, 392 transitions, 832 flow [2023-11-29 04:05:40,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:05:40,933 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;@7e79fe1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:05:40,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 147 error locations. [2023-11-29 04:05:40,939 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:05:40,940 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2023-11-29 04:05:40,940 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:05:40,940 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:40,941 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] [2023-11-29 04:05:40,941 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:05:40,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:40,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1574802254, now seen corresponding path program 1 times [2023-11-29 04:05:40,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:40,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108837407] [2023-11-29 04:05:40,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:40,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:41,155 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 04:05:41,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:41,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108837407] [2023-11-29 04:05:41,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108837407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:41,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:41,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:05:41,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821407909] [2023-11-29 04:05:41,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:41,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:05:41,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:41,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:05:41,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:05:41,247 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 344 out of 457 [2023-11-29 04:05:41,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 392 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 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 04:05:41,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:41,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 344 of 457 [2023-11-29 04:05:41,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:43,162 INFO L124 PetriNetUnfolderBase]: 2881/7243 cut-off events. [2023-11-29 04:05:43,162 INFO L125 PetriNetUnfolderBase]: For 1212/1288 co-relation queries the response was YES. [2023-11-29 04:05:43,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12066 conditions, 7243 events. 2881/7243 cut-off events. For 1212/1288 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 59323 event pairs, 1500 based on Foata normal form. 1084/7219 useless extension candidates. Maximal degree in co-relation 11525. Up to 3650 conditions per place. [2023-11-29 04:05:43,261 INFO L140 encePairwiseOnDemand]: 390/457 looper letters, 35 selfloop transitions, 2 changer transitions 3/327 dead transitions. [2023-11-29 04:05:43,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 327 transitions, 776 flow [2023-11-29 04:05:43,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:05:43,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:05:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2023-11-29 04:05:43,278 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8271334792122538 [2023-11-29 04:05:43,279 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1134 transitions. [2023-11-29 04:05:43,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1134 transitions. [2023-11-29 04:05:43,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:43,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1134 transitions. [2023-11-29 04:05:43,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.0) internal successors, (1134), 3 states have internal predecessors, (1134), 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 04:05:43,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:43,301 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:43,302 INFO L175 Difference]: Start difference. First operand has 394 places, 392 transitions, 832 flow. Second operand 3 states and 1134 transitions. [2023-11-29 04:05:43,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 327 transitions, 776 flow [2023-11-29 04:05:43,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 327 transitions, 744 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-11-29 04:05:43,324 INFO L231 Difference]: Finished difference. Result has 327 places, 324 transitions, 668 flow [2023-11-29 04:05:43,326 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=668, PETRI_PLACES=327, PETRI_TRANSITIONS=324} [2023-11-29 04:05:43,329 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -67 predicate places. [2023-11-29 04:05:43,330 INFO L495 AbstractCegarLoop]: Abstraction has has 327 places, 324 transitions, 668 flow [2023-11-29 04:05:43,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 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 04:05:43,331 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:43,331 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] [2023-11-29 04:05:43,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:05:43,331 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:05:43,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:43,332 INFO L85 PathProgramCache]: Analyzing trace with hash 165947125, now seen corresponding path program 1 times [2023-11-29 04:05:43,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:43,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653639615] [2023-11-29 04:05:43,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:43,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:43,394 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 04:05:43,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:43,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653639615] [2023-11-29 04:05:43,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653639615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:43,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:43,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:05:43,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617509815] [2023-11-29 04:05:43,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:43,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:05:43,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:43,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:05:43,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:05:43,414 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 457 [2023-11-29 04:05:43,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 324 transitions, 668 flow. Second operand has 3 states, 3 states have (on average 346.3333333333333) internal successors, (1039), 3 states have internal predecessors, (1039), 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 04:05:43,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:43,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 457 [2023-11-29 04:05:43,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:44,914 INFO L124 PetriNetUnfolderBase]: 2881/7239 cut-off events. [2023-11-29 04:05:44,915 INFO L125 PetriNetUnfolderBase]: For 308/384 co-relation queries the response was YES. [2023-11-29 04:05:44,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11182 conditions, 7239 events. 2881/7239 cut-off events. For 308/384 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 59421 event pairs, 1500 based on Foata normal form. 0/6135 useless extension candidates. Maximal degree in co-relation 11148. Up to 3649 conditions per place. [2023-11-29 04:05:45,006 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 34 selfloop transitions, 2 changer transitions 0/323 dead transitions. [2023-11-29 04:05:45,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 323 transitions, 738 flow [2023-11-29 04:05:45,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:05:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:05:45,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1072 transitions. [2023-11-29 04:05:45,011 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7819110138584975 [2023-11-29 04:05:45,012 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1072 transitions. [2023-11-29 04:05:45,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1072 transitions. [2023-11-29 04:05:45,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:45,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1072 transitions. [2023-11-29 04:05:45,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 357.3333333333333) internal successors, (1072), 3 states have internal predecessors, (1072), 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 04:05:45,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:45,023 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:45,023 INFO L175 Difference]: Start difference. First operand has 327 places, 324 transitions, 668 flow. Second operand 3 states and 1072 transitions. [2023-11-29 04:05:45,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 323 transitions, 738 flow [2023-11-29 04:05:45,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 323 transitions, 734 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:05:45,031 INFO L231 Difference]: Finished difference. Result has 323 places, 323 transitions, 666 flow [2023-11-29 04:05:45,032 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=323, PETRI_TRANSITIONS=323} [2023-11-29 04:05:45,032 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -71 predicate places. [2023-11-29 04:05:45,033 INFO L495 AbstractCegarLoop]: Abstraction has has 323 places, 323 transitions, 666 flow [2023-11-29 04:05:45,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 346.3333333333333) internal successors, (1039), 3 states have internal predecessors, (1039), 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 04:05:45,034 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:45,034 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] [2023-11-29 04:05:45,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:05:45,035 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:05:45,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:45,035 INFO L85 PathProgramCache]: Analyzing trace with hash 391897422, now seen corresponding path program 1 times [2023-11-29 04:05:45,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:45,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576161013] [2023-11-29 04:05:45,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:45,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:45,087 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 04:05:45,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:45,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576161013] [2023-11-29 04:05:45,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576161013] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:45,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:45,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:05:45,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204022624] [2023-11-29 04:05:45,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:45,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:05:45,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:45,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:05:45,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:05:45,100 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 457 [2023-11-29 04:05:45,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 323 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:45,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:45,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 457 [2023-11-29 04:05:45,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:46,556 INFO L124 PetriNetUnfolderBase]: 2881/7238 cut-off events. [2023-11-29 04:05:46,556 INFO L125 PetriNetUnfolderBase]: For 308/384 co-relation queries the response was YES. [2023-11-29 04:05:46,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11180 conditions, 7238 events. 2881/7238 cut-off events. For 308/384 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 59438 event pairs, 1500 based on Foata normal form. 0/6135 useless extension candidates. Maximal degree in co-relation 11138. Up to 3648 conditions per place. [2023-11-29 04:05:46,643 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 33 selfloop transitions, 2 changer transitions 0/322 dead transitions. [2023-11-29 04:05:46,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 322 transitions, 734 flow [2023-11-29 04:05:46,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:05:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:05:46,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1074 transitions. [2023-11-29 04:05:46,648 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7833698030634574 [2023-11-29 04:05:46,648 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1074 transitions. [2023-11-29 04:05:46,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1074 transitions. [2023-11-29 04:05:46,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:46,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1074 transitions. [2023-11-29 04:05:46,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 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 04:05:46,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:46,658 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:46,658 INFO L175 Difference]: Start difference. First operand has 323 places, 323 transitions, 666 flow. Second operand 3 states and 1074 transitions. [2023-11-29 04:05:46,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 322 transitions, 734 flow [2023-11-29 04:05:46,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 322 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:05:46,665 INFO L231 Difference]: Finished difference. Result has 322 places, 322 transitions, 664 flow [2023-11-29 04:05:46,666 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=664, PETRI_PLACES=322, PETRI_TRANSITIONS=322} [2023-11-29 04:05:46,667 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -72 predicate places. [2023-11-29 04:05:46,667 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 322 transitions, 664 flow [2023-11-29 04:05:46,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:46,668 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:46,669 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:05:46,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:05:46,669 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:05:46,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:46,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1064665474, now seen corresponding path program 1 times [2023-11-29 04:05:46,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:46,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504590537] [2023-11-29 04:05:46,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:46,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:46,717 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 04:05:46,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:46,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504590537] [2023-11-29 04:05:46,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504590537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:46,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:46,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:05:46,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052979585] [2023-11-29 04:05:46,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:46,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:05:46,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:46,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:05:46,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:05:46,727 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 457 [2023-11-29 04:05:46,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 322 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:46,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:46,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 457 [2023-11-29 04:05:46,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:47,995 INFO L124 PetriNetUnfolderBase]: 2881/7237 cut-off events. [2023-11-29 04:05:47,995 INFO L125 PetriNetUnfolderBase]: For 308/384 co-relation queries the response was YES. [2023-11-29 04:05:48,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11179 conditions, 7237 events. 2881/7237 cut-off events. For 308/384 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 59346 event pairs, 1500 based on Foata normal form. 0/6135 useless extension candidates. Maximal degree in co-relation 11129. Up to 3648 conditions per place. [2023-11-29 04:05:48,063 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 33 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2023-11-29 04:05:48,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 321 transitions, 732 flow [2023-11-29 04:05:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:05:48,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:05:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1074 transitions. [2023-11-29 04:05:48,066 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7833698030634574 [2023-11-29 04:05:48,066 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1074 transitions. [2023-11-29 04:05:48,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1074 transitions. [2023-11-29 04:05:48,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:48,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1074 transitions. [2023-11-29 04:05:48,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 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 04:05:48,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:48,075 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:48,075 INFO L175 Difference]: Start difference. First operand has 322 places, 322 transitions, 664 flow. Second operand 3 states and 1074 transitions. [2023-11-29 04:05:48,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 321 transitions, 732 flow [2023-11-29 04:05:48,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 321 transitions, 728 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:05:48,082 INFO L231 Difference]: Finished difference. Result has 321 places, 321 transitions, 662 flow [2023-11-29 04:05:48,082 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=662, PETRI_PLACES=321, PETRI_TRANSITIONS=321} [2023-11-29 04:05:48,083 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -73 predicate places. [2023-11-29 04:05:48,083 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 321 transitions, 662 flow [2023-11-29 04:05:48,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:48,084 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:48,085 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] [2023-11-29 04:05:48,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:05:48,085 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:05:48,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:48,085 INFO L85 PathProgramCache]: Analyzing trace with hash 2037746191, now seen corresponding path program 1 times [2023-11-29 04:05:48,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:48,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053941816] [2023-11-29 04:05:48,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:48,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:48,133 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 04:05:48,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:48,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053941816] [2023-11-29 04:05:48,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053941816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:48,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:48,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:05:48,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478934317] [2023-11-29 04:05:48,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:48,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:05:48,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:48,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:05:48,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:05:48,145 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 457 [2023-11-29 04:05:48,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 321 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:48,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:48,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 457 [2023-11-29 04:05:48,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:49,581 INFO L124 PetriNetUnfolderBase]: 2881/7236 cut-off events. [2023-11-29 04:05:49,582 INFO L125 PetriNetUnfolderBase]: For 308/384 co-relation queries the response was YES. [2023-11-29 04:05:49,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11178 conditions, 7236 events. 2881/7236 cut-off events. For 308/384 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 59460 event pairs, 1500 based on Foata normal form. 0/6135 useless extension candidates. Maximal degree in co-relation 11120. Up to 3648 conditions per place. [2023-11-29 04:05:49,656 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 33 selfloop transitions, 2 changer transitions 0/320 dead transitions. [2023-11-29 04:05:49,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 320 transitions, 730 flow [2023-11-29 04:05:49,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:05:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:05:49,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1074 transitions. [2023-11-29 04:05:49,659 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7833698030634574 [2023-11-29 04:05:49,659 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1074 transitions. [2023-11-29 04:05:49,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1074 transitions. [2023-11-29 04:05:49,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:49,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1074 transitions. [2023-11-29 04:05:49,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 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 04:05:49,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:49,666 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:49,666 INFO L175 Difference]: Start difference. First operand has 321 places, 321 transitions, 662 flow. Second operand 3 states and 1074 transitions. [2023-11-29 04:05:49,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 320 transitions, 730 flow [2023-11-29 04:05:49,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 320 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:05:49,671 INFO L231 Difference]: Finished difference. Result has 320 places, 320 transitions, 660 flow [2023-11-29 04:05:49,672 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=660, PETRI_PLACES=320, PETRI_TRANSITIONS=320} [2023-11-29 04:05:49,673 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -74 predicate places. [2023-11-29 04:05:49,673 INFO L495 AbstractCegarLoop]: Abstraction has has 320 places, 320 transitions, 660 flow [2023-11-29 04:05:49,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:49,674 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:49,674 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] [2023-11-29 04:05:49,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:05:49,675 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:05:49,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:49,675 INFO L85 PathProgramCache]: Analyzing trace with hash 693498783, now seen corresponding path program 1 times [2023-11-29 04:05:49,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:49,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919394467] [2023-11-29 04:05:49,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:49,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:49,720 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 04:05:49,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:49,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919394467] [2023-11-29 04:05:49,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919394467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:49,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:49,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:05:49,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657263264] [2023-11-29 04:05:49,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:49,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:05:49,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:49,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:05:49,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:05:49,737 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 457 [2023-11-29 04:05:49,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 320 transitions, 660 flow. Second operand has 3 states, 3 states have (on average 346.3333333333333) internal successors, (1039), 3 states have internal predecessors, (1039), 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 04:05:49,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:49,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 457 [2023-11-29 04:05:49,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:50,927 INFO L124 PetriNetUnfolderBase]: 2881/7235 cut-off events. [2023-11-29 04:05:50,927 INFO L125 PetriNetUnfolderBase]: For 308/384 co-relation queries the response was YES. [2023-11-29 04:05:50,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11178 conditions, 7235 events. 2881/7235 cut-off events. For 308/384 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 59500 event pairs, 1500 based on Foata normal form. 0/6135 useless extension candidates. Maximal degree in co-relation 11112. Up to 3649 conditions per place. [2023-11-29 04:05:51,007 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 34 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2023-11-29 04:05:51,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 319 transitions, 730 flow [2023-11-29 04:05:51,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:05:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:05:51,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1072 transitions. [2023-11-29 04:05:51,011 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7819110138584975 [2023-11-29 04:05:51,011 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1072 transitions. [2023-11-29 04:05:51,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1072 transitions. [2023-11-29 04:05:51,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:51,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1072 transitions. [2023-11-29 04:05:51,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 357.3333333333333) internal successors, (1072), 3 states have internal predecessors, (1072), 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 04:05:51,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:51,018 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:51,019 INFO L175 Difference]: Start difference. First operand has 320 places, 320 transitions, 660 flow. Second operand 3 states and 1072 transitions. [2023-11-29 04:05:51,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 319 transitions, 730 flow [2023-11-29 04:05:51,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 319 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:05:51,025 INFO L231 Difference]: Finished difference. Result has 319 places, 319 transitions, 658 flow [2023-11-29 04:05:51,025 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=319, PETRI_TRANSITIONS=319} [2023-11-29 04:05:51,026 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -75 predicate places. [2023-11-29 04:05:51,026 INFO L495 AbstractCegarLoop]: Abstraction has has 319 places, 319 transitions, 658 flow [2023-11-29 04:05:51,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 346.3333333333333) internal successors, (1039), 3 states have internal predecessors, (1039), 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 04:05:51,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:51,028 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] [2023-11-29 04:05:51,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:05:51,028 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:05:51,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:51,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1738596131, now seen corresponding path program 1 times [2023-11-29 04:05:51,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:51,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39083952] [2023-11-29 04:05:51,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:51,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:51,072 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 04:05:51,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:51,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39083952] [2023-11-29 04:05:51,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39083952] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:51,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:51,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:05:51,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081119519] [2023-11-29 04:05:51,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:51,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:05:51,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:51,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:05:51,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:05:51,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 457 [2023-11-29 04:05:51,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 319 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:51,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:51,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 457 [2023-11-29 04:05:51,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:52,156 INFO L124 PetriNetUnfolderBase]: 2881/7234 cut-off events. [2023-11-29 04:05:52,156 INFO L125 PetriNetUnfolderBase]: For 308/384 co-relation queries the response was YES. [2023-11-29 04:05:52,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11176 conditions, 7234 events. 2881/7234 cut-off events. For 308/384 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 59475 event pairs, 1500 based on Foata normal form. 0/6135 useless extension candidates. Maximal degree in co-relation 11102. Up to 3648 conditions per place. [2023-11-29 04:05:52,228 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 33 selfloop transitions, 2 changer transitions 0/318 dead transitions. [2023-11-29 04:05:52,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 318 transitions, 726 flow [2023-11-29 04:05:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:05:52,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:05:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1074 transitions. [2023-11-29 04:05:52,232 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7833698030634574 [2023-11-29 04:05:52,232 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1074 transitions. [2023-11-29 04:05:52,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1074 transitions. [2023-11-29 04:05:52,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:52,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1074 transitions. [2023-11-29 04:05:52,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 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 04:05:52,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:52,239 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:52,239 INFO L175 Difference]: Start difference. First operand has 319 places, 319 transitions, 658 flow. Second operand 3 states and 1074 transitions. [2023-11-29 04:05:52,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 318 transitions, 726 flow [2023-11-29 04:05:52,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 318 transitions, 722 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:05:52,246 INFO L231 Difference]: Finished difference. Result has 318 places, 318 transitions, 656 flow [2023-11-29 04:05:52,247 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=656, PETRI_PLACES=318, PETRI_TRANSITIONS=318} [2023-11-29 04:05:52,248 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -76 predicate places. [2023-11-29 04:05:52,248 INFO L495 AbstractCegarLoop]: Abstraction has has 318 places, 318 transitions, 656 flow [2023-11-29 04:05:52,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:52,249 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:52,249 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] [2023-11-29 04:05:52,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:05:52,249 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:05:52,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:52,250 INFO L85 PathProgramCache]: Analyzing trace with hash -2016200330, now seen corresponding path program 1 times [2023-11-29 04:05:52,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:52,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124556282] [2023-11-29 04:05:52,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:52,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:52,297 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 04:05:52,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:52,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124556282] [2023-11-29 04:05:52,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124556282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:52,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:52,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:05:52,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848399587] [2023-11-29 04:05:52,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:52,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:05:52,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:52,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:05:52,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:05:52,308 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 457 [2023-11-29 04:05:52,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 318 transitions, 656 flow. Second operand has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:52,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:52,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 457 [2023-11-29 04:05:52,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:53,460 INFO L124 PetriNetUnfolderBase]: 2881/7233 cut-off events. [2023-11-29 04:05:53,460 INFO L125 PetriNetUnfolderBase]: For 308/384 co-relation queries the response was YES. [2023-11-29 04:05:53,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11175 conditions, 7233 events. 2881/7233 cut-off events. For 308/384 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 59518 event pairs, 1500 based on Foata normal form. 0/6135 useless extension candidates. Maximal degree in co-relation 11093. Up to 3648 conditions per place. [2023-11-29 04:05:53,530 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 33 selfloop transitions, 2 changer transitions 0/317 dead transitions. [2023-11-29 04:05:53,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 317 transitions, 724 flow [2023-11-29 04:05:53,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:05:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:05:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1074 transitions. [2023-11-29 04:05:53,533 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7833698030634574 [2023-11-29 04:05:53,533 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1074 transitions. [2023-11-29 04:05:53,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1074 transitions. [2023-11-29 04:05:53,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:53,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1074 transitions. [2023-11-29 04:05:53,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 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 04:05:53,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:53,538 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:53,538 INFO L175 Difference]: Start difference. First operand has 318 places, 318 transitions, 656 flow. Second operand 3 states and 1074 transitions. [2023-11-29 04:05:53,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 317 transitions, 724 flow [2023-11-29 04:05:53,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 317 transitions, 720 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:05:53,544 INFO L231 Difference]: Finished difference. Result has 317 places, 317 transitions, 654 flow [2023-11-29 04:05:53,544 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=654, PETRI_PLACES=317, PETRI_TRANSITIONS=317} [2023-11-29 04:05:53,545 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -77 predicate places. [2023-11-29 04:05:53,545 INFO L495 AbstractCegarLoop]: Abstraction has has 317 places, 317 transitions, 654 flow [2023-11-29 04:05:53,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:53,546 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:53,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:05:53,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:05:53,546 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:05:53,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:53,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1195246696, now seen corresponding path program 1 times [2023-11-29 04:05:53,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:53,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493981661] [2023-11-29 04:05:53,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:53,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:53,589 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 04:05:53,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:53,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493981661] [2023-11-29 04:05:53,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493981661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:53,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:53,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:05:53,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844768236] [2023-11-29 04:05:53,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:53,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:05:53,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:53,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:05:53,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:05:53,600 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 457 [2023-11-29 04:05:53,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 317 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:53,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:53,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 457 [2023-11-29 04:05:53,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:54,568 INFO L124 PetriNetUnfolderBase]: 2881/7232 cut-off events. [2023-11-29 04:05:54,568 INFO L125 PetriNetUnfolderBase]: For 308/384 co-relation queries the response was YES. [2023-11-29 04:05:54,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11174 conditions, 7232 events. 2881/7232 cut-off events. For 308/384 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 59462 event pairs, 1500 based on Foata normal form. 0/6135 useless extension candidates. Maximal degree in co-relation 11084. Up to 3648 conditions per place. [2023-11-29 04:05:54,637 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 33 selfloop transitions, 2 changer transitions 0/316 dead transitions. [2023-11-29 04:05:54,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 316 transitions, 722 flow [2023-11-29 04:05:54,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:05:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:05:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1074 transitions. [2023-11-29 04:05:54,639 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7833698030634574 [2023-11-29 04:05:54,640 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1074 transitions. [2023-11-29 04:05:54,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1074 transitions. [2023-11-29 04:05:54,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:54,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1074 transitions. [2023-11-29 04:05:54,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 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 04:05:54,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:54,645 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:54,645 INFO L175 Difference]: Start difference. First operand has 317 places, 317 transitions, 654 flow. Second operand 3 states and 1074 transitions. [2023-11-29 04:05:54,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 316 transitions, 722 flow [2023-11-29 04:05:54,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 316 transitions, 718 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:05:54,651 INFO L231 Difference]: Finished difference. Result has 316 places, 316 transitions, 652 flow [2023-11-29 04:05:54,652 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=316, PETRI_TRANSITIONS=316} [2023-11-29 04:05:54,652 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -78 predicate places. [2023-11-29 04:05:54,652 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 316 transitions, 652 flow [2023-11-29 04:05:54,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:54,653 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:54,653 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] [2023-11-29 04:05:54,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:05:54,654 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:05:54,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:54,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1187953053, now seen corresponding path program 1 times [2023-11-29 04:05:54,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:54,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133285072] [2023-11-29 04:05:54,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:54,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:54,696 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 04:05:54,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:54,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133285072] [2023-11-29 04:05:54,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133285072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:54,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:54,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:05:54,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374207251] [2023-11-29 04:05:54,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:54,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:05:54,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:54,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:05:54,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:05:54,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 457 [2023-11-29 04:05:54,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 316 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 347.0) internal successors, (1041), 3 states have internal predecessors, (1041), 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 04:05:54,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:54,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 457 [2023-11-29 04:05:54,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:55,807 INFO L124 PetriNetUnfolderBase]: 2881/7230 cut-off events. [2023-11-29 04:05:55,808 INFO L125 PetriNetUnfolderBase]: For 308/384 co-relation queries the response was YES. [2023-11-29 04:05:55,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11172 conditions, 7230 events. 2881/7230 cut-off events. For 308/384 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 59454 event pairs, 1500 based on Foata normal form. 0/6135 useless extension candidates. Maximal degree in co-relation 11074. Up to 3648 conditions per place. [2023-11-29 04:05:55,870 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 34 selfloop transitions, 1 changer transitions 0/314 dead transitions. [2023-11-29 04:05:55,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 314 transitions, 718 flow [2023-11-29 04:05:55,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:05:55,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:05:55,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1075 transitions. [2023-11-29 04:05:55,872 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7840991976659373 [2023-11-29 04:05:55,872 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1075 transitions. [2023-11-29 04:05:55,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1075 transitions. [2023-11-29 04:05:55,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:55,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1075 transitions. [2023-11-29 04:05:55,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 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 04:05:55,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:55,877 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:55,877 INFO L175 Difference]: Start difference. First operand has 316 places, 316 transitions, 652 flow. Second operand 3 states and 1075 transitions. [2023-11-29 04:05:55,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 314 transitions, 718 flow [2023-11-29 04:05:55,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 314 transitions, 714 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:05:55,884 INFO L231 Difference]: Finished difference. Result has 314 places, 314 transitions, 646 flow [2023-11-29 04:05:55,885 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=314, PETRI_TRANSITIONS=314} [2023-11-29 04:05:55,886 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -80 predicate places. [2023-11-29 04:05:55,886 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 314 transitions, 646 flow [2023-11-29 04:05:55,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 347.0) internal successors, (1041), 3 states have internal predecessors, (1041), 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 04:05:55,887 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:55,887 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] [2023-11-29 04:05:55,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:05:55,888 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:05:55,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:55,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1344209204, now seen corresponding path program 1 times [2023-11-29 04:05:55,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:55,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47673761] [2023-11-29 04:05:55,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:55,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:55,941 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 04:05:55,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:55,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47673761] [2023-11-29 04:05:55,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47673761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:55,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:55,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:05:55,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059091920] [2023-11-29 04:05:55,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:55,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:05:55,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:55,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:05:55,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:05:55,951 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 457 [2023-11-29 04:05:55,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 314 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:55,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:55,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 457 [2023-11-29 04:05:55,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:56,978 INFO L124 PetriNetUnfolderBase]: 2881/7229 cut-off events. [2023-11-29 04:05:56,978 INFO L125 PetriNetUnfolderBase]: For 308/384 co-relation queries the response was YES. [2023-11-29 04:05:57,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11170 conditions, 7229 events. 2881/7229 cut-off events. For 308/384 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 59511 event pairs, 1500 based on Foata normal form. 0/6135 useless extension candidates. Maximal degree in co-relation 11072. Up to 3648 conditions per place. [2023-11-29 04:05:57,047 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 33 selfloop transitions, 2 changer transitions 0/313 dead transitions. [2023-11-29 04:05:57,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 313 transitions, 714 flow [2023-11-29 04:05:57,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:05:57,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:05:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1074 transitions. [2023-11-29 04:05:57,050 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7833698030634574 [2023-11-29 04:05:57,050 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1074 transitions. [2023-11-29 04:05:57,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1074 transitions. [2023-11-29 04:05:57,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:57,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1074 transitions. [2023-11-29 04:05:57,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 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 04:05:57,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:57,054 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 457.0) internal successors, (1828), 4 states have internal predecessors, (1828), 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 04:05:57,055 INFO L175 Difference]: Start difference. First operand has 314 places, 314 transitions, 646 flow. Second operand 3 states and 1074 transitions. [2023-11-29 04:05:57,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 313 transitions, 714 flow [2023-11-29 04:05:57,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 313 transitions, 713 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:05:57,059 INFO L231 Difference]: Finished difference. Result has 314 places, 313 transitions, 647 flow [2023-11-29 04:05:57,060 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=647, PETRI_PLACES=314, PETRI_TRANSITIONS=313} [2023-11-29 04:05:57,060 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -80 predicate places. [2023-11-29 04:05:57,060 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 313 transitions, 647 flow [2023-11-29 04:05:57,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 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 04:05:57,061 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:57,061 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] [2023-11-29 04:05:57,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:05:57,061 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:05:57,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:57,061 INFO L85 PathProgramCache]: Analyzing trace with hash 2072761171, now seen corresponding path program 1 times [2023-11-29 04:05:57,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:57,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029465743] [2023-11-29 04:05:57,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:57,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:57,663 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 04:05:57,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:57,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029465743] [2023-11-29 04:05:57,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029465743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:57,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:57,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:05:57,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941313525] [2023-11-29 04:05:57,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:57,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:05:57,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:57,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:05:57,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:05:57,882 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 457 [2023-11-29 04:05:57,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 313 transitions, 647 flow. Second operand has 6 states, 6 states have (on average 308.5) internal successors, (1851), 6 states have internal predecessors, (1851), 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 04:05:57,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:57,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 457 [2023-11-29 04:05:57,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:07:17,750 INFO L124 PetriNetUnfolderBase]: 339179/490852 cut-off events. [2023-11-29 04:07:17,750 INFO L125 PetriNetUnfolderBase]: For 5488/5491 co-relation queries the response was YES. [2023-11-29 04:07:19,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 893379 conditions, 490852 events. 339179/490852 cut-off events. For 5488/5491 co-relation queries the response was YES. Maximal size of possible extension queue 15759. Compared 4397229 event pairs, 234830 based on Foata normal form. 0/448147 useless extension candidates. Maximal degree in co-relation 893282. Up to 397051 conditions per place. [2023-11-29 04:07:22,727 INFO L140 encePairwiseOnDemand]: 451/457 looper letters, 62 selfloop transitions, 5 changer transitions 0/312 dead transitions. [2023-11-29 04:07:22,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 312 transitions, 779 flow [2023-11-29 04:07:22,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:07:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:07:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1910 transitions. [2023-11-29 04:07:22,733 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6965718453683443 [2023-11-29 04:07:22,733 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1910 transitions. [2023-11-29 04:07:22,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1910 transitions. [2023-11-29 04:07:22,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:07:22,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1910 transitions. [2023-11-29 04:07:22,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 318.3333333333333) internal successors, (1910), 6 states have internal predecessors, (1910), 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 04:07:22,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 457.0) internal successors, (3199), 7 states have internal predecessors, (3199), 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 04:07:22,744 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 457.0) internal successors, (3199), 7 states have internal predecessors, (3199), 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 04:07:22,744 INFO L175 Difference]: Start difference. First operand has 314 places, 313 transitions, 647 flow. Second operand 6 states and 1910 transitions. [2023-11-29 04:07:22,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 312 transitions, 779 flow [2023-11-29 04:07:22,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 312 transitions, 775 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:07:22,750 INFO L231 Difference]: Finished difference. Result has 316 places, 312 transitions, 651 flow [2023-11-29 04:07:22,751 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=651, PETRI_PLACES=316, PETRI_TRANSITIONS=312} [2023-11-29 04:07:22,751 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -78 predicate places. [2023-11-29 04:07:22,751 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 312 transitions, 651 flow [2023-11-29 04:07:22,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.5) internal successors, (1851), 6 states have internal predecessors, (1851), 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 04:07:22,752 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:07:22,752 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] [2023-11-29 04:07:22,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:07:22,753 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:07:22,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:22,753 INFO L85 PathProgramCache]: Analyzing trace with hash -629918974, now seen corresponding path program 1 times [2023-11-29 04:07:22,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:22,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022379001] [2023-11-29 04:07:22,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:22,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:23,644 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 04:07:23,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:23,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022379001] [2023-11-29 04:07:23,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022379001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:07:23,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:07:23,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:07:23,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303712866] [2023-11-29 04:07:23,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:07:23,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:07:23,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:23,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:07:23,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:07:24,054 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 457 [2023-11-29 04:07:24,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 312 transitions, 651 flow. Second operand has 6 states, 6 states have (on average 340.5) internal successors, (2043), 6 states have internal predecessors, (2043), 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 04:07:24,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:07:24,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 457 [2023-11-29 04:07:24,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:07:30,148 INFO L124 PetriNetUnfolderBase]: 19586/35267 cut-off events. [2023-11-29 04:07:30,148 INFO L125 PetriNetUnfolderBase]: For 1556/2067 co-relation queries the response was YES. [2023-11-29 04:07:30,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60707 conditions, 35267 events. 19586/35267 cut-off events. For 1556/2067 co-relation queries the response was YES. Maximal size of possible extension queue 1295. Compared 307601 event pairs, 2456 based on Foata normal form. 12/31225 useless extension candidates. Maximal degree in co-relation 60685. Up to 8680 conditions per place. [2023-11-29 04:07:30,685 INFO L140 encePairwiseOnDemand]: 452/457 looper letters, 141 selfloop transitions, 4 changer transitions 0/415 dead transitions. [2023-11-29 04:07:30,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 415 transitions, 1195 flow [2023-11-29 04:07:30,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:07:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:07:30,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2180 transitions. [2023-11-29 04:07:30,689 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7950401167031363 [2023-11-29 04:07:30,690 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2180 transitions. [2023-11-29 04:07:30,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2180 transitions. [2023-11-29 04:07:30,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:07:30,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2180 transitions. [2023-11-29 04:07:30,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 363.3333333333333) internal successors, (2180), 6 states have internal predecessors, (2180), 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 04:07:30,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 457.0) internal successors, (3199), 7 states have internal predecessors, (3199), 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 04:07:30,698 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 457.0) internal successors, (3199), 7 states have internal predecessors, (3199), 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 04:07:30,698 INFO L175 Difference]: Start difference. First operand has 316 places, 312 transitions, 651 flow. Second operand 6 states and 2180 transitions. [2023-11-29 04:07:30,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 415 transitions, 1195 flow [2023-11-29 04:07:30,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 415 transitions, 1185 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 04:07:30,705 INFO L231 Difference]: Finished difference. Result has 315 places, 311 transitions, 647 flow [2023-11-29 04:07:30,706 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=647, PETRI_PLACES=315, PETRI_TRANSITIONS=311} [2023-11-29 04:07:30,706 INFO L281 CegarLoopForPetriNet]: 394 programPoint places, -79 predicate places. [2023-11-29 04:07:30,707 INFO L495 AbstractCegarLoop]: Abstraction has has 315 places, 311 transitions, 647 flow [2023-11-29 04:07:30,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 340.5) internal successors, (2043), 6 states have internal predecessors, (2043), 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 04:07:30,707 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:07:30,708 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] [2023-11-29 04:07:30,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:07:30,708 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] === [2023-11-29 04:07:30,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:30,708 INFO L85 PathProgramCache]: Analyzing trace with hash -427844871, now seen corresponding path program 1 times [2023-11-29 04:07:30,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:30,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593084813] [2023-11-29 04:07:30,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:30,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:31,105 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 04:07:31,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:31,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593084813] [2023-11-29 04:07:31,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593084813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:07:31,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:07:31,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:07:31,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178717453] [2023-11-29 04:07:31,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:07:31,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:07:31,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:31,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:07:31,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:07:31,506 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 457 [2023-11-29 04:07:31,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 311 transitions, 647 flow. Second operand has 6 states, 6 states have (on average 342.6666666666667) internal successors, (2056), 6 states have internal predecessors, (2056), 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 04:07:31,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:07:31,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 457 [2023-11-29 04:07:31,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand