./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-dec.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_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/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_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/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_c72fdcb7-b94c-4486-8877-70a5015a5053/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 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:34:16,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:34:16,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 01:34:16,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:34:16,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:34:16,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:34:16,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:34:16,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:34:16,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:34:16,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:34:16,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:34:16,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:34:16,228 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:34:16,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:34:16,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:34:16,230 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:34:16,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:34:16,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:34:16,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:34:16,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:34:16,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:34:16,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:34:16,234 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 01:34:16,234 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:34:16,234 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:34:16,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:34:16,235 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:34:16,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:34:16,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:34:16,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:34:16,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:34:16,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:34:16,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:34:16,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:34:16,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:34:16,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:34:16,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:34:16,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:34:16,239 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:34:16,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:34:16,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:34:16,240 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_c72fdcb7-b94c-4486-8877-70a5015a5053/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 [2023-11-29 01:34:16,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:34:16,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:34:16,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:34:16,487 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:34:16,487 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:34:16,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-29 01:34:19,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:34:19,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:34:19,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-29 01:34:19,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/data/ba0d93666/365a544151094e629fb74fa246e53985/FLAG9495cf42c [2023-11-29 01:34:19,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/data/ba0d93666/365a544151094e629fb74fa246e53985 [2023-11-29 01:34:19,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:34:19,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:34:19,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:34:19,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:34:19,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:34:19,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8ea8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19, skipping insertion in model container [2023-11-29 01:34:19,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:34:19,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:34:19,621 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:34:19,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:34:19,670 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:34:19,670 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:34:19,678 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:34:19,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19 WrapperNode [2023-11-29 01:34:19,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:34:19,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:34:19,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:34:19,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:34:19,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,731 INFO L138 Inliner]: procedures = 26, calls = 64, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 207 [2023-11-29 01:34:19,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:34:19,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:34:19,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:34:19,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:34:19,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:34:19,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:34:19,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:34:19,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:34:19,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19" (1/1) ... [2023-11-29 01:34:19,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:34:19,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:34:19,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:34:19,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:34:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:34:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:34:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 01:34:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 01:34:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 01:34:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 01:34:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 01:34:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 01:34:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 01:34:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 01:34:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 01:34:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 01:34:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 01:34:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 01:34:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 01:34:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:34:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:34:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:34:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:34:19,859 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 01:34:19,978 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:34:19,980 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:34:20,563 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:34:20,893 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:34:20,893 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 01:34:20,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:34:20 BoogieIcfgContainer [2023-11-29 01:34:20,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:34:20,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:34:20,898 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:34:20,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:34:20,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:34:19" (1/3) ... [2023-11-29 01:34:20,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640df1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:34:20, skipping insertion in model container [2023-11-29 01:34:20,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:34:19" (2/3) ... [2023-11-29 01:34:20,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640df1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:34:20, skipping insertion in model container [2023-11-29 01:34:20,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:34:20" (3/3) ... [2023-11-29 01:34:20,904 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2023-11-29 01:34:20,914 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 01:34:20,925 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:34:20,925 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2023-11-29 01:34:20,925 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 01:34:21,027 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-29 01:34:21,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 274 places, 273 transitions, 574 flow [2023-11-29 01:34:21,159 INFO L124 PetriNetUnfolderBase]: 12/269 cut-off events. [2023-11-29 01:34:21,160 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 01:34:21,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 269 events. 12/269 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 422 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2023-11-29 01:34:21,167 INFO L82 GeneralOperation]: Start removeDead. Operand has 274 places, 273 transitions, 574 flow [2023-11-29 01:34:21,189 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 246 places, 244 transitions, 512 flow [2023-11-29 01:34:21,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:34:21,206 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;@6c8a29fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:34:21,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2023-11-29 01:34:21,212 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 01:34:21,212 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2023-11-29 01:34:21,212 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:34:21,213 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:21,213 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] [2023-11-29 01:34:21,214 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:21,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:21,219 INFO L85 PathProgramCache]: Analyzing trace with hash -973730249, now seen corresponding path program 1 times [2023-11-29 01:34:21,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:21,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213425924] [2023-11-29 01:34:21,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:21,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:21,432 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 01:34:21,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:21,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213425924] [2023-11-29 01:34:21,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213425924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:21,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:21,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:21,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315177023] [2023-11-29 01:34:21,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:21,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:21,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:21,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:21,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:21,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 273 [2023-11-29 01:34:21,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 244 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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 01:34:21,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:21,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 273 [2023-11-29 01:34:21,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:22,003 INFO L124 PetriNetUnfolderBase]: 651/2149 cut-off events. [2023-11-29 01:34:22,004 INFO L125 PetriNetUnfolderBase]: For 223/223 co-relation queries the response was YES. [2023-11-29 01:34:22,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3316 conditions, 2149 events. 651/2149 cut-off events. For 223/223 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 16754 event pairs, 547 based on Foata normal form. 4/1896 useless extension candidates. Maximal degree in co-relation 3059. Up to 909 conditions per place. [2023-11-29 01:34:22,030 INFO L140 encePairwiseOnDemand]: 230/273 looper letters, 24 selfloop transitions, 2 changer transitions 3/203 dead transitions. [2023-11-29 01:34:22,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 203 transitions, 482 flow [2023-11-29 01:34:22,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:22,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 676 transitions. [2023-11-29 01:34:22,045 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8253968253968254 [2023-11-29 01:34:22,046 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 676 transitions. [2023-11-29 01:34:22,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 676 transitions. [2023-11-29 01:34:22,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:22,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 676 transitions. [2023-11-29 01:34:22,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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 01:34:22,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 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 01:34:22,065 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 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 01:34:22,067 INFO L175 Difference]: Start difference. First operand has 246 places, 244 transitions, 512 flow. Second operand 3 states and 676 transitions. [2023-11-29 01:34:22,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 203 transitions, 482 flow [2023-11-29 01:34:22,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 203 transitions, 466 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-29 01:34:22,077 INFO L231 Difference]: Finished difference. Result has 206 places, 200 transitions, 412 flow [2023-11-29 01:34:22,079 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=206, PETRI_TRANSITIONS=200} [2023-11-29 01:34:22,082 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -40 predicate places. [2023-11-29 01:34:22,082 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 200 transitions, 412 flow [2023-11-29 01:34:22,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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 01:34:22,083 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:22,083 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] [2023-11-29 01:34:22,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:34:22,084 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:22,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:22,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1524253862, now seen corresponding path program 1 times [2023-11-29 01:34:22,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:22,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233152980] [2023-11-29 01:34:22,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:22,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:22,148 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 01:34:22,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:22,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233152980] [2023-11-29 01:34:22,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233152980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:22,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:22,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:22,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129198104] [2023-11-29 01:34:22,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:22,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:22,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:22,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:22,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:22,175 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 273 [2023-11-29 01:34:22,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 200 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 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 01:34:22,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:22,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 273 [2023-11-29 01:34:22,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:22,880 INFO L124 PetriNetUnfolderBase]: 1239/3229 cut-off events. [2023-11-29 01:34:22,880 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2023-11-29 01:34:22,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5157 conditions, 3229 events. 1239/3229 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 26564 event pairs, 1077 based on Foata normal form. 0/3024 useless extension candidates. Maximal degree in co-relation 5124. Up to 1735 conditions per place. [2023-11-29 01:34:22,917 INFO L140 encePairwiseOnDemand]: 267/273 looper letters, 26 selfloop transitions, 1 changer transitions 0/195 dead transitions. [2023-11-29 01:34:22,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 195 transitions, 456 flow [2023-11-29 01:34:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:22,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:22,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 629 transitions. [2023-11-29 01:34:22,921 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7680097680097681 [2023-11-29 01:34:22,921 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 629 transitions. [2023-11-29 01:34:22,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 629 transitions. [2023-11-29 01:34:22,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:22,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 629 transitions. [2023-11-29 01:34:22,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 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 01:34:22,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 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 01:34:22,927 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 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 01:34:22,928 INFO L175 Difference]: Start difference. First operand has 206 places, 200 transitions, 412 flow. Second operand 3 states and 629 transitions. [2023-11-29 01:34:22,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 195 transitions, 456 flow [2023-11-29 01:34:22,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 195 transitions, 452 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:22,935 INFO L231 Difference]: Finished difference. Result has 198 places, 195 transitions, 400 flow [2023-11-29 01:34:22,935 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=198, PETRI_TRANSITIONS=195} [2023-11-29 01:34:22,936 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -48 predicate places. [2023-11-29 01:34:22,936 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 195 transitions, 400 flow [2023-11-29 01:34:22,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 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 01:34:22,937 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:22,938 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:34:22,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:34:22,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:22,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:22,939 INFO L85 PathProgramCache]: Analyzing trace with hash -803027690, now seen corresponding path program 1 times [2023-11-29 01:34:22,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:22,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712043807] [2023-11-29 01:34:22,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:22,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:23,502 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 01:34:23,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:23,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712043807] [2023-11-29 01:34:23,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712043807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:23,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:23,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:34:23,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351589987] [2023-11-29 01:34:23,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:23,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:34:23,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:23,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:34:23,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:34:23,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 273 [2023-11-29 01:34:23,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 195 transitions, 400 flow. Second operand has 6 states, 6 states have (on average 186.5) internal successors, (1119), 6 states have internal predecessors, (1119), 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 01:34:23,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:23,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 273 [2023-11-29 01:34:23,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:24,348 INFO L124 PetriNetUnfolderBase]: 1027/2330 cut-off events. [2023-11-29 01:34:24,348 INFO L125 PetriNetUnfolderBase]: For 23/83 co-relation queries the response was YES. [2023-11-29 01:34:24,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3876 conditions, 2330 events. 1027/2330 cut-off events. For 23/83 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 16496 event pairs, 993 based on Foata normal form. 0/2126 useless extension candidates. Maximal degree in co-relation 3844. Up to 1485 conditions per place. [2023-11-29 01:34:24,380 INFO L140 encePairwiseOnDemand]: 267/273 looper letters, 40 selfloop transitions, 5 changer transitions 0/194 dead transitions. [2023-11-29 01:34:24,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 194 transitions, 488 flow [2023-11-29 01:34:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:34:24,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:34:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1156 transitions. [2023-11-29 01:34:24,387 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7057387057387058 [2023-11-29 01:34:24,387 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1156 transitions. [2023-11-29 01:34:24,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1156 transitions. [2023-11-29 01:34:24,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:24,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1156 transitions. [2023-11-29 01:34:24,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 192.66666666666666) internal successors, (1156), 6 states have internal predecessors, (1156), 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 01:34:24,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 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 01:34:24,400 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 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 01:34:24,400 INFO L175 Difference]: Start difference. First operand has 198 places, 195 transitions, 400 flow. Second operand 6 states and 1156 transitions. [2023-11-29 01:34:24,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 194 transitions, 488 flow [2023-11-29 01:34:24,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 194 transitions, 487 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:34:24,406 INFO L231 Difference]: Finished difference. Result has 201 places, 194 transitions, 407 flow [2023-11-29 01:34:24,407 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=407, PETRI_PLACES=201, PETRI_TRANSITIONS=194} [2023-11-29 01:34:24,408 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -45 predicate places. [2023-11-29 01:34:24,408 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 194 transitions, 407 flow [2023-11-29 01:34:24,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 186.5) internal successors, (1119), 6 states have internal predecessors, (1119), 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 01:34:24,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:24,410 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:34:24,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:34:24,410 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:24,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:24,411 INFO L85 PathProgramCache]: Analyzing trace with hash -386935863, now seen corresponding path program 1 times [2023-11-29 01:34:24,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:24,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411097307] [2023-11-29 01:34:24,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:24,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:24,457 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 01:34:24,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:24,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411097307] [2023-11-29 01:34:24,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411097307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:24,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:24,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:24,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394112753] [2023-11-29 01:34:24,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:24,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:24,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:24,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:24,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:24,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 273 [2023-11-29 01:34:24,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 194 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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 01:34:24,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:24,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 273 [2023-11-29 01:34:24,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:24,719 INFO L124 PetriNetUnfolderBase]: 252/1100 cut-off events. [2023-11-29 01:34:24,719 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2023-11-29 01:34:24,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1527 conditions, 1100 events. 252/1100 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 6991 event pairs, 221 based on Foata normal form. 0/1000 useless extension candidates. Maximal degree in co-relation 1509. Up to 364 conditions per place. [2023-11-29 01:34:24,730 INFO L140 encePairwiseOnDemand]: 270/273 looper letters, 19 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2023-11-29 01:34:24,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 193 transitions, 447 flow [2023-11-29 01:34:24,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:24,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2023-11-29 01:34:24,733 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7887667887667887 [2023-11-29 01:34:24,733 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 646 transitions. [2023-11-29 01:34:24,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 646 transitions. [2023-11-29 01:34:24,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:24,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 646 transitions. [2023-11-29 01:34:24,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 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 01:34:24,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 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 01:34:24,739 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 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 01:34:24,739 INFO L175 Difference]: Start difference. First operand has 201 places, 194 transitions, 407 flow. Second operand 3 states and 646 transitions. [2023-11-29 01:34:24,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 193 transitions, 447 flow [2023-11-29 01:34:24,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 193 transitions, 437 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 01:34:24,744 INFO L231 Difference]: Finished difference. Result has 197 places, 193 transitions, 399 flow [2023-11-29 01:34:24,744 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=197, PETRI_TRANSITIONS=193} [2023-11-29 01:34:24,745 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -49 predicate places. [2023-11-29 01:34:24,745 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 193 transitions, 399 flow [2023-11-29 01:34:24,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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 01:34:24,746 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:24,747 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] [2023-11-29 01:34:24,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:34:24,747 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:24,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:24,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1217355099, now seen corresponding path program 1 times [2023-11-29 01:34:24,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:24,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015255815] [2023-11-29 01:34:24,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:24,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:25,209 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 01:34:25,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:25,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015255815] [2023-11-29 01:34:25,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015255815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:25,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:25,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:34:25,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479690081] [2023-11-29 01:34:25,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:25,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:34:25,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:25,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:34:25,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:34:25,452 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 273 [2023-11-29 01:34:25,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 193 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 202.83333333333334) internal successors, (1217), 6 states have internal predecessors, (1217), 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 01:34:25,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:25,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 273 [2023-11-29 01:34:25,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:26,357 INFO L124 PetriNetUnfolderBase]: 1632/3336 cut-off events. [2023-11-29 01:34:26,358 INFO L125 PetriNetUnfolderBase]: For 20/22 co-relation queries the response was YES. [2023-11-29 01:34:26,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5652 conditions, 3336 events. 1632/3336 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 22713 event pairs, 584 based on Foata normal form. 2/3055 useless extension candidates. Maximal degree in co-relation 5618. Up to 1220 conditions per place. [2023-11-29 01:34:26,389 INFO L140 encePairwiseOnDemand]: 266/273 looper letters, 59 selfloop transitions, 9 changer transitions 0/233 dead transitions. [2023-11-29 01:34:26,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 233 transitions, 619 flow [2023-11-29 01:34:26,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:34:26,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:34:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1275 transitions. [2023-11-29 01:34:26,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7783882783882784 [2023-11-29 01:34:26,395 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1275 transitions. [2023-11-29 01:34:26,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1275 transitions. [2023-11-29 01:34:26,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:26,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1275 transitions. [2023-11-29 01:34:26,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 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 01:34:26,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 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 01:34:26,409 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 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 01:34:26,409 INFO L175 Difference]: Start difference. First operand has 197 places, 193 transitions, 399 flow. Second operand 6 states and 1275 transitions. [2023-11-29 01:34:26,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 233 transitions, 619 flow [2023-11-29 01:34:26,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 233 transitions, 615 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:26,416 INFO L231 Difference]: Finished difference. Result has 205 places, 201 transitions, 459 flow [2023-11-29 01:34:26,417 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=459, PETRI_PLACES=205, PETRI_TRANSITIONS=201} [2023-11-29 01:34:26,417 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -41 predicate places. [2023-11-29 01:34:26,418 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 201 transitions, 459 flow [2023-11-29 01:34:26,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.83333333333334) internal successors, (1217), 6 states have internal predecessors, (1217), 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 01:34:26,419 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:26,419 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] [2023-11-29 01:34:26,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:34:26,419 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:26,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:26,420 INFO L85 PathProgramCache]: Analyzing trace with hash -514058950, now seen corresponding path program 1 times [2023-11-29 01:34:26,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:26,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205777005] [2023-11-29 01:34:26,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:26,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:26,600 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 01:34:26,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:26,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205777005] [2023-11-29 01:34:26,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205777005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:26,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:26,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:34:26,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78579661] [2023-11-29 01:34:26,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:26,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:34:26,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:26,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:34:26,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:34:26,749 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 273 [2023-11-29 01:34:26,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 201 transitions, 459 flow. Second operand has 7 states, 7 states have (on average 202.42857142857142) internal successors, (1417), 7 states have internal predecessors, (1417), 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 01:34:26,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:26,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 273 [2023-11-29 01:34:26,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:28,020 INFO L124 PetriNetUnfolderBase]: 2853/7193 cut-off events. [2023-11-29 01:34:28,020 INFO L125 PetriNetUnfolderBase]: For 437/962 co-relation queries the response was YES. [2023-11-29 01:34:28,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12446 conditions, 7193 events. 2853/7193 cut-off events. For 437/962 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 64068 event pairs, 2260 based on Foata normal form. 58/6964 useless extension candidates. Maximal degree in co-relation 12408. Up to 3303 conditions per place. [2023-11-29 01:34:28,095 INFO L140 encePairwiseOnDemand]: 260/273 looper letters, 53 selfloop transitions, 14 changer transitions 0/233 dead transitions. [2023-11-29 01:34:28,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 233 transitions, 668 flow [2023-11-29 01:34:28,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:34:28,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 01:34:28,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2064 transitions. [2023-11-29 01:34:28,103 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.756043956043956 [2023-11-29 01:34:28,103 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2064 transitions. [2023-11-29 01:34:28,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2064 transitions. [2023-11-29 01:34:28,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:28,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2064 transitions. [2023-11-29 01:34:28,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 206.4) internal successors, (2064), 10 states have internal predecessors, (2064), 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 01:34:28,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 273.0) internal successors, (3003), 11 states have internal predecessors, (3003), 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 01:34:28,120 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 273.0) internal successors, (3003), 11 states have internal predecessors, (3003), 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 01:34:28,120 INFO L175 Difference]: Start difference. First operand has 205 places, 201 transitions, 459 flow. Second operand 10 states and 2064 transitions. [2023-11-29 01:34:28,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 233 transitions, 668 flow [2023-11-29 01:34:28,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 233 transitions, 668 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:34:28,134 INFO L231 Difference]: Finished difference. Result has 218 places, 208 transitions, 525 flow [2023-11-29 01:34:28,135 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=525, PETRI_PLACES=218, PETRI_TRANSITIONS=208} [2023-11-29 01:34:28,135 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -28 predicate places. [2023-11-29 01:34:28,136 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 208 transitions, 525 flow [2023-11-29 01:34:28,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 202.42857142857142) internal successors, (1417), 7 states have internal predecessors, (1417), 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 01:34:28,137 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:28,137 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:34:28,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 01:34:28,137 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:28,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:28,138 INFO L85 PathProgramCache]: Analyzing trace with hash 996443502, now seen corresponding path program 1 times [2023-11-29 01:34:28,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:28,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070502759] [2023-11-29 01:34:28,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:28,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:28,767 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 01:34:28,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:28,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070502759] [2023-11-29 01:34:28,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070502759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:28,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:28,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:34:28,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077833195] [2023-11-29 01:34:28,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:28,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:34:28,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:28,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:34:28,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:34:28,988 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 273 [2023-11-29 01:34:28,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 208 transitions, 525 flow. Second operand has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 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 01:34:28,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:28,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 273 [2023-11-29 01:34:28,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:30,043 INFO L124 PetriNetUnfolderBase]: 1542/4213 cut-off events. [2023-11-29 01:34:30,043 INFO L125 PetriNetUnfolderBase]: For 1680/1720 co-relation queries the response was YES. [2023-11-29 01:34:30,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7995 conditions, 4213 events. 1542/4213 cut-off events. For 1680/1720 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 33248 event pairs, 702 based on Foata normal form. 2/3813 useless extension candidates. Maximal degree in co-relation 7949. Up to 1670 conditions per place. [2023-11-29 01:34:30,075 INFO L140 encePairwiseOnDemand]: 266/273 looper letters, 50 selfloop transitions, 13 changer transitions 0/239 dead transitions. [2023-11-29 01:34:30,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 239 transitions, 740 flow [2023-11-29 01:34:30,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:34:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:34:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1262 transitions. [2023-11-29 01:34:30,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7704517704517705 [2023-11-29 01:34:30,079 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1262 transitions. [2023-11-29 01:34:30,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1262 transitions. [2023-11-29 01:34:30,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:30,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1262 transitions. [2023-11-29 01:34:30,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.33333333333334) internal successors, (1262), 6 states have internal predecessors, (1262), 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 01:34:30,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 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 01:34:30,087 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 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 01:34:30,087 INFO L175 Difference]: Start difference. First operand has 218 places, 208 transitions, 525 flow. Second operand 6 states and 1262 transitions. [2023-11-29 01:34:30,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 239 transitions, 740 flow [2023-11-29 01:34:30,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 239 transitions, 736 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:34:30,098 INFO L231 Difference]: Finished difference. Result has 227 places, 220 transitions, 635 flow [2023-11-29 01:34:30,099 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=635, PETRI_PLACES=227, PETRI_TRANSITIONS=220} [2023-11-29 01:34:30,099 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -19 predicate places. [2023-11-29 01:34:30,099 INFO L495 AbstractCegarLoop]: Abstraction has has 227 places, 220 transitions, 635 flow [2023-11-29 01:34:30,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 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 01:34:30,100 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:30,100 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] [2023-11-29 01:34:30,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 01:34:30,101 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:30,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:30,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1636229498, now seen corresponding path program 1 times [2023-11-29 01:34:30,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:30,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398633534] [2023-11-29 01:34:30,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:30,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:34:30,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:30,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398633534] [2023-11-29 01:34:30,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398633534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:30,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:30,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 01:34:30,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420192345] [2023-11-29 01:34:30,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:30,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 01:34:30,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:30,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 01:34:30,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:34:31,399 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 273 [2023-11-29 01:34:31,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 220 transitions, 635 flow. Second operand has 13 states, 13 states have (on average 192.07692307692307) internal successors, (2497), 13 states have internal predecessors, (2497), 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 01:34:31,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:31,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 273 [2023-11-29 01:34:31,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:32,841 INFO L124 PetriNetUnfolderBase]: 2368/6732 cut-off events. [2023-11-29 01:34:32,841 INFO L125 PetriNetUnfolderBase]: For 3021/3215 co-relation queries the response was YES. [2023-11-29 01:34:32,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13794 conditions, 6732 events. 2368/6732 cut-off events. For 3021/3215 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 58918 event pairs, 282 based on Foata normal form. 224/6826 useless extension candidates. Maximal degree in co-relation 13744. Up to 1307 conditions per place. [2023-11-29 01:34:32,945 INFO L140 encePairwiseOnDemand]: 259/273 looper letters, 70 selfloop transitions, 17 changer transitions 0/251 dead transitions. [2023-11-29 01:34:32,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 251 transitions, 885 flow [2023-11-29 01:34:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:34:32,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 01:34:32,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2921 transitions. [2023-11-29 01:34:32,953 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7133089133089133 [2023-11-29 01:34:32,953 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2921 transitions. [2023-11-29 01:34:32,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2921 transitions. [2023-11-29 01:34:32,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:32,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2921 transitions. [2023-11-29 01:34:32,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 194.73333333333332) internal successors, (2921), 15 states have internal predecessors, (2921), 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 01:34:32,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 273.0) internal successors, (4368), 16 states have internal predecessors, (4368), 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 01:34:32,970 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 273.0) internal successors, (4368), 16 states have internal predecessors, (4368), 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 01:34:32,971 INFO L175 Difference]: Start difference. First operand has 227 places, 220 transitions, 635 flow. Second operand 15 states and 2921 transitions. [2023-11-29 01:34:32,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 251 transitions, 885 flow [2023-11-29 01:34:33,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 251 transitions, 878 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:34:33,039 INFO L231 Difference]: Finished difference. Result has 239 places, 219 transitions, 658 flow [2023-11-29 01:34:33,039 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=658, PETRI_PLACES=239, PETRI_TRANSITIONS=219} [2023-11-29 01:34:33,040 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -7 predicate places. [2023-11-29 01:34:33,040 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 219 transitions, 658 flow [2023-11-29 01:34:33,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 192.07692307692307) internal successors, (2497), 13 states have internal predecessors, (2497), 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 01:34:33,042 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:33,042 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] [2023-11-29 01:34:33,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 01:34:33,042 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:33,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:33,043 INFO L85 PathProgramCache]: Analyzing trace with hash 2053417918, now seen corresponding path program 1 times [2023-11-29 01:34:33,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:33,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490000236] [2023-11-29 01:34:33,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:33,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:33,415 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 01:34:33,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:33,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490000236] [2023-11-29 01:34:33,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490000236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:33,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:33,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:34:33,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008591576] [2023-11-29 01:34:33,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:33,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:34:33,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:33,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:34:33,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:34:33,642 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 273 [2023-11-29 01:34:33,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 219 transitions, 658 flow. Second operand has 6 states, 6 states have (on average 203.83333333333334) internal successors, (1223), 6 states have internal predecessors, (1223), 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 01:34:33,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:33,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 273 [2023-11-29 01:34:33,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:34,422 INFO L124 PetriNetUnfolderBase]: 1386/4076 cut-off events. [2023-11-29 01:34:34,423 INFO L125 PetriNetUnfolderBase]: For 3837/3887 co-relation queries the response was YES. [2023-11-29 01:34:34,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8487 conditions, 4076 events. 1386/4076 cut-off events. For 3837/3887 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 32249 event pairs, 704 based on Foata normal form. 0/3648 useless extension candidates. Maximal degree in co-relation 8437. Up to 1703 conditions per place. [2023-11-29 01:34:34,456 INFO L140 encePairwiseOnDemand]: 266/273 looper letters, 45 selfloop transitions, 17 changer transitions 0/241 dead transitions. [2023-11-29 01:34:34,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 241 transitions, 896 flow [2023-11-29 01:34:34,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:34:34,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:34:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1249 transitions. [2023-11-29 01:34:34,461 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7625152625152625 [2023-11-29 01:34:34,461 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1249 transitions. [2023-11-29 01:34:34,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1249 transitions. [2023-11-29 01:34:34,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:34,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1249 transitions. [2023-11-29 01:34:34,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 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 01:34:34,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 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 01:34:34,472 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 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 01:34:34,472 INFO L175 Difference]: Start difference. First operand has 239 places, 219 transitions, 658 flow. Second operand 6 states and 1249 transitions. [2023-11-29 01:34:34,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 241 transitions, 896 flow [2023-11-29 01:34:34,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 241 transitions, 864 flow, removed 0 selfloop flow, removed 13 redundant places. [2023-11-29 01:34:34,486 INFO L231 Difference]: Finished difference. Result has 236 places, 235 transitions, 810 flow [2023-11-29 01:34:34,487 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=810, PETRI_PLACES=236, PETRI_TRANSITIONS=235} [2023-11-29 01:34:34,488 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -10 predicate places. [2023-11-29 01:34:34,488 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 235 transitions, 810 flow [2023-11-29 01:34:34,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.83333333333334) internal successors, (1223), 6 states have internal predecessors, (1223), 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 01:34:34,489 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:34,490 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] [2023-11-29 01:34:34,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 01:34:34,490 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:34,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:34,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1836679665, now seen corresponding path program 1 times [2023-11-29 01:34:34,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:34,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505229017] [2023-11-29 01:34:34,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:34,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:34,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:34,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505229017] [2023-11-29 01:34:34,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505229017] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:34:34,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702253674] [2023-11-29 01:34:34,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:34,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:34:34,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:34:34,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:34:34,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:34:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:34,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:34:34,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:34:35,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:35,094 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:34:35,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:35,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702253674] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 01:34:35,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:34:35,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-11-29 01:34:35,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408996688] [2023-11-29 01:34:35,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:35,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:34:35,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:35,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:34:35,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:34:35,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 273 [2023-11-29 01:34:35,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 235 transitions, 810 flow. Second operand has 7 states, 7 states have (on average 201.28571428571428) internal successors, (1409), 7 states have internal predecessors, (1409), 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 01:34:35,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:35,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 273 [2023-11-29 01:34:35,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:36,767 INFO L124 PetriNetUnfolderBase]: 2292/6698 cut-off events. [2023-11-29 01:34:36,767 INFO L125 PetriNetUnfolderBase]: For 6021/6076 co-relation queries the response was YES. [2023-11-29 01:34:36,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13725 conditions, 6698 events. 2292/6698 cut-off events. For 6021/6076 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 59406 event pairs, 1364 based on Foata normal form. 0/5863 useless extension candidates. Maximal degree in co-relation 13672. Up to 1782 conditions per place. [2023-11-29 01:34:36,812 INFO L140 encePairwiseOnDemand]: 262/273 looper letters, 91 selfloop transitions, 12 changer transitions 0/276 dead transitions. [2023-11-29 01:34:36,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 276 transitions, 1135 flow [2023-11-29 01:34:36,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:34:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-29 01:34:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1659 transitions. [2023-11-29 01:34:36,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7596153846153846 [2023-11-29 01:34:36,817 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1659 transitions. [2023-11-29 01:34:36,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1659 transitions. [2023-11-29 01:34:36,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:36,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1659 transitions. [2023-11-29 01:34:36,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 207.375) internal successors, (1659), 8 states have internal predecessors, (1659), 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 01:34:36,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 273.0) internal successors, (2457), 9 states have internal predecessors, (2457), 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 01:34:36,828 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 273.0) internal successors, (2457), 9 states have internal predecessors, (2457), 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 01:34:36,828 INFO L175 Difference]: Start difference. First operand has 236 places, 235 transitions, 810 flow. Second operand 8 states and 1659 transitions. [2023-11-29 01:34:36,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 276 transitions, 1135 flow [2023-11-29 01:34:36,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 276 transitions, 1135 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:34:36,859 INFO L231 Difference]: Finished difference. Result has 246 places, 240 transitions, 862 flow [2023-11-29 01:34:36,859 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=862, PETRI_PLACES=246, PETRI_TRANSITIONS=240} [2023-11-29 01:34:36,860 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, 0 predicate places. [2023-11-29 01:34:36,860 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 240 transitions, 862 flow [2023-11-29 01:34:36,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 201.28571428571428) internal successors, (1409), 7 states have internal predecessors, (1409), 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 01:34:36,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:36,861 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:34:36,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:34:37,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 01:34:37,062 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:37,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:37,063 INFO L85 PathProgramCache]: Analyzing trace with hash 716240253, now seen corresponding path program 1 times [2023-11-29 01:34:37,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:37,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129518913] [2023-11-29 01:34:37,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:37,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:34:37,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:37,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129518913] [2023-11-29 01:34:37,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129518913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:37,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:37,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 01:34:37,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405732553] [2023-11-29 01:34:37,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:37,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 01:34:37,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:37,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 01:34:37,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:34:38,950 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 273 [2023-11-29 01:34:38,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 240 transitions, 862 flow. Second operand has 13 states, 13 states have (on average 192.3846153846154) internal successors, (2501), 13 states have internal predecessors, (2501), 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 01:34:38,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:38,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 273 [2023-11-29 01:34:38,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:40,106 INFO L124 PetriNetUnfolderBase]: 1568/4602 cut-off events. [2023-11-29 01:34:40,106 INFO L125 PetriNetUnfolderBase]: For 4875/4915 co-relation queries the response was YES. [2023-11-29 01:34:40,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10131 conditions, 4602 events. 1568/4602 cut-off events. For 4875/4915 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 36494 event pairs, 642 based on Foata normal form. 8/4275 useless extension candidates. Maximal degree in co-relation 10073. Up to 1386 conditions per place. [2023-11-29 01:34:40,137 INFO L140 encePairwiseOnDemand]: 259/273 looper letters, 70 selfloop transitions, 17 changer transitions 0/259 dead transitions. [2023-11-29 01:34:40,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 259 transitions, 1096 flow [2023-11-29 01:34:40,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:34:40,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 01:34:40,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2909 transitions. [2023-11-29 01:34:40,145 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7103785103785104 [2023-11-29 01:34:40,145 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2909 transitions. [2023-11-29 01:34:40,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2909 transitions. [2023-11-29 01:34:40,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:40,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2909 transitions. [2023-11-29 01:34:40,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 193.93333333333334) internal successors, (2909), 15 states have internal predecessors, (2909), 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 01:34:40,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 273.0) internal successors, (4368), 16 states have internal predecessors, (4368), 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 01:34:40,158 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 273.0) internal successors, (4368), 16 states have internal predecessors, (4368), 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 01:34:40,158 INFO L175 Difference]: Start difference. First operand has 246 places, 240 transitions, 862 flow. Second operand 15 states and 2909 transitions. [2023-11-29 01:34:40,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 259 transitions, 1096 flow [2023-11-29 01:34:40,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 259 transitions, 1076 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 01:34:40,174 INFO L231 Difference]: Finished difference. Result has 256 places, 239 transitions, 872 flow [2023-11-29 01:34:40,175 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=872, PETRI_PLACES=256, PETRI_TRANSITIONS=239} [2023-11-29 01:34:40,175 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, 10 predicate places. [2023-11-29 01:34:40,175 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 239 transitions, 872 flow [2023-11-29 01:34:40,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 192.3846153846154) internal successors, (2501), 13 states have internal predecessors, (2501), 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 01:34:40,176 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:40,177 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] [2023-11-29 01:34:40,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 01:34:40,177 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:40,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:40,177 INFO L85 PathProgramCache]: Analyzing trace with hash 485408498, now seen corresponding path program 1 times [2023-11-29 01:34:40,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:40,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622240615] [2023-11-29 01:34:40,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:40,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:40,582 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 01:34:40,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:40,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622240615] [2023-11-29 01:34:40,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622240615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:40,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:40,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:34:40,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394627224] [2023-11-29 01:34:40,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:40,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:34:40,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:40,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:34:40,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:34:40,802 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 273 [2023-11-29 01:34:40,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 239 transitions, 872 flow. Second operand has 6 states, 6 states have (on average 204.0) internal successors, (1224), 6 states have internal predecessors, (1224), 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 01:34:40,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:40,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 273 [2023-11-29 01:34:40,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:41,540 INFO L124 PetriNetUnfolderBase]: 1383/4092 cut-off events. [2023-11-29 01:34:41,540 INFO L125 PetriNetUnfolderBase]: For 5338/5390 co-relation queries the response was YES. [2023-11-29 01:34:41,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9015 conditions, 4092 events. 1383/4092 cut-off events. For 5338/5390 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 31920 event pairs, 707 based on Foata normal form. 0/3687 useless extension candidates. Maximal degree in co-relation 8957. Up to 1705 conditions per place. [2023-11-29 01:34:41,574 INFO L140 encePairwiseOnDemand]: 268/273 looper letters, 51 selfloop transitions, 4 changer transitions 0/242 dead transitions. [2023-11-29 01:34:41,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 242 transitions, 988 flow [2023-11-29 01:34:41,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:34:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:34:41,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1238 transitions. [2023-11-29 01:34:41,578 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7557997557997558 [2023-11-29 01:34:41,578 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1238 transitions. [2023-11-29 01:34:41,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1238 transitions. [2023-11-29 01:34:41,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:41,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1238 transitions. [2023-11-29 01:34:41,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 206.33333333333334) internal successors, (1238), 6 states have internal predecessors, (1238), 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 01:34:41,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 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 01:34:41,586 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 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 01:34:41,586 INFO L175 Difference]: Start difference. First operand has 256 places, 239 transitions, 872 flow. Second operand 6 states and 1238 transitions. [2023-11-29 01:34:41,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 242 transitions, 988 flow [2023-11-29 01:34:41,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 242 transitions, 956 flow, removed 0 selfloop flow, removed 13 redundant places. [2023-11-29 01:34:41,606 INFO L231 Difference]: Finished difference. Result has 247 places, 238 transitions, 846 flow [2023-11-29 01:34:41,607 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=846, PETRI_PLACES=247, PETRI_TRANSITIONS=238} [2023-11-29 01:34:41,607 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, 1 predicate places. [2023-11-29 01:34:41,608 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 238 transitions, 846 flow [2023-11-29 01:34:41,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.0) internal successors, (1224), 6 states have internal predecessors, (1224), 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 01:34:41,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:41,608 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:34:41,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 01:34:41,609 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:41,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:41,612 INFO L85 PathProgramCache]: Analyzing trace with hash 879830183, now seen corresponding path program 1 times [2023-11-29 01:34:41,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:41,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576029460] [2023-11-29 01:34:41,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:41,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:41,691 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 01:34:41,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:41,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576029460] [2023-11-29 01:34:41,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576029460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:41,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:41,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:41,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165112915] [2023-11-29 01:34:41,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:41,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:41,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:41,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:41,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:41,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 273 [2023-11-29 01:34:41,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 238 transitions, 846 flow. Second operand has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:41,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:41,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 273 [2023-11-29 01:34:41,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:42,382 INFO L124 PetriNetUnfolderBase]: 1358/4057 cut-off events. [2023-11-29 01:34:42,382 INFO L125 PetriNetUnfolderBase]: For 5311/5364 co-relation queries the response was YES. [2023-11-29 01:34:42,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8879 conditions, 4057 events. 1358/4057 cut-off events. For 5311/5364 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 31890 event pairs, 707 based on Foata normal form. 5/3658 useless extension candidates. Maximal degree in co-relation 8824. Up to 1700 conditions per place. [2023-11-29 01:34:42,416 INFO L140 encePairwiseOnDemand]: 271/273 looper letters, 38 selfloop transitions, 0 changer transitions 20/237 dead transitions. [2023-11-29 01:34:42,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 237 transitions, 926 flow [2023-11-29 01:34:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 654 transitions. [2023-11-29 01:34:42,418 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7985347985347986 [2023-11-29 01:34:42,418 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 654 transitions. [2023-11-29 01:34:42,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 654 transitions. [2023-11-29 01:34:42,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:42,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 654 transitions. [2023-11-29 01:34:42,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 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 01:34:42,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 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 01:34:42,421 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 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 01:34:42,421 INFO L175 Difference]: Start difference. First operand has 247 places, 238 transitions, 846 flow. Second operand 3 states and 654 transitions. [2023-11-29 01:34:42,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 237 transitions, 926 flow [2023-11-29 01:34:42,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 237 transitions, 919 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 01:34:42,434 INFO L231 Difference]: Finished difference. Result has 244 places, 217 transitions, 765 flow [2023-11-29 01:34:42,434 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=837, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=765, PETRI_PLACES=244, PETRI_TRANSITIONS=217} [2023-11-29 01:34:42,435 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -2 predicate places. [2023-11-29 01:34:42,435 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 217 transitions, 765 flow [2023-11-29 01:34:42,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:42,435 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:42,435 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:34:42,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 01:34:42,436 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:42,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:42,436 INFO L85 PathProgramCache]: Analyzing trace with hash -791455105, now seen corresponding path program 1 times [2023-11-29 01:34:42,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:42,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545763696] [2023-11-29 01:34:42,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:42,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 01:34:42,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:42,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545763696] [2023-11-29 01:34:42,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545763696] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:34:42,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658681732] [2023-11-29 01:34:42,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:42,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:34:42,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:34:42,601 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:34:42,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:34:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:42,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:34:42,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:34:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 01:34:42,976 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:34:43,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 01:34:43,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658681732] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 01:34:43,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:34:43,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-11-29 01:34:43,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992316292] [2023-11-29 01:34:43,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:43,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:34:43,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:43,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:34:43,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:34:43,362 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 273 [2023-11-29 01:34:43,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 217 transitions, 765 flow. Second operand has 7 states, 7 states have (on average 201.85714285714286) internal successors, (1413), 7 states have internal predecessors, (1413), 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 01:34:43,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:43,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 273 [2023-11-29 01:34:43,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:44,290 INFO L124 PetriNetUnfolderBase]: 2269/4773 cut-off events. [2023-11-29 01:34:44,290 INFO L125 PetriNetUnfolderBase]: For 8086/8281 co-relation queries the response was YES. [2023-11-29 01:34:44,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11934 conditions, 4773 events. 2269/4773 cut-off events. For 8086/8281 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 36157 event pairs, 922 based on Foata normal form. 0/4264 useless extension candidates. Maximal degree in co-relation 11910. Up to 1936 conditions per place. [2023-11-29 01:34:44,327 INFO L140 encePairwiseOnDemand]: 265/273 looper letters, 71 selfloop transitions, 7 changer transitions 0/238 dead transitions. [2023-11-29 01:34:44,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 238 transitions, 1043 flow [2023-11-29 01:34:44,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:34:44,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-29 01:34:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1428 transitions. [2023-11-29 01:34:44,332 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7472527472527473 [2023-11-29 01:34:44,332 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1428 transitions. [2023-11-29 01:34:44,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1428 transitions. [2023-11-29 01:34:44,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:44,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1428 transitions. [2023-11-29 01:34:44,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 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 01:34:44,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 273.0) internal successors, (2184), 8 states have internal predecessors, (2184), 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 01:34:44,340 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 273.0) internal successors, (2184), 8 states have internal predecessors, (2184), 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 01:34:44,340 INFO L175 Difference]: Start difference. First operand has 244 places, 217 transitions, 765 flow. Second operand 7 states and 1428 transitions. [2023-11-29 01:34:44,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 238 transitions, 1043 flow [2023-11-29 01:34:44,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 238 transitions, 1018 flow, removed 4 selfloop flow, removed 8 redundant places. [2023-11-29 01:34:44,354 INFO L231 Difference]: Finished difference. Result has 226 places, 218 transitions, 767 flow [2023-11-29 01:34:44,354 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=767, PETRI_PLACES=226, PETRI_TRANSITIONS=218} [2023-11-29 01:34:44,355 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -20 predicate places. [2023-11-29 01:34:44,355 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 218 transitions, 767 flow [2023-11-29 01:34:44,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 201.85714285714286) internal successors, (1413), 7 states have internal predecessors, (1413), 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 01:34:44,356 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:44,356 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:34:44,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 01:34:44,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 01:34:44,557 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 01:34:44,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:44,557 INFO L85 PathProgramCache]: Analyzing trace with hash 968342587, now seen corresponding path program 1 times [2023-11-29 01:34:44,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:44,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86249390] [2023-11-29 01:34:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:44,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:45,171 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:34:45,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:45,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86249390] [2023-11-29 01:34:45,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86249390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:45,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:45,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 01:34:45,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65050892] [2023-11-29 01:34:45,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:45,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 01:34:45,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:45,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 01:34:45,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:34:45,922 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 273 [2023-11-29 01:34:45,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 218 transitions, 767 flow. Second operand has 13 states, 13 states have (on average 192.69230769230768) internal successors, (2505), 13 states have internal predecessors, (2505), 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 01:34:45,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:45,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 273 [2023-11-29 01:34:45,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:46,771 INFO L124 PetriNetUnfolderBase]: 1045/3283 cut-off events. [2023-11-29 01:34:46,771 INFO L125 PetriNetUnfolderBase]: For 3926/3974 co-relation queries the response was YES. [2023-11-29 01:34:46,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7287 conditions, 3283 events. 1045/3283 cut-off events. For 3926/3974 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 25986 event pairs, 579 based on Foata normal form. 2/2924 useless extension candidates. Maximal degree in co-relation 7265. Up to 1227 conditions per place. [2023-11-29 01:34:46,788 INFO L140 encePairwiseOnDemand]: 259/273 looper letters, 0 selfloop transitions, 0 changer transitions 225/225 dead transitions. [2023-11-29 01:34:46,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 225 transitions, 947 flow [2023-11-29 01:34:46,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:34:46,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 01:34:46,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2895 transitions. [2023-11-29 01:34:46,796 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.706959706959707 [2023-11-29 01:34:46,797 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2895 transitions. [2023-11-29 01:34:46,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2895 transitions. [2023-11-29 01:34:46,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:46,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2895 transitions. [2023-11-29 01:34:46,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 193.0) internal successors, (2895), 15 states have internal predecessors, (2895), 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 01:34:46,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 273.0) internal successors, (4368), 16 states have internal predecessors, (4368), 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 01:34:46,814 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 273.0) internal successors, (4368), 16 states have internal predecessors, (4368), 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 01:34:46,814 INFO L175 Difference]: Start difference. First operand has 226 places, 218 transitions, 767 flow. Second operand 15 states and 2895 transitions. [2023-11-29 01:34:46,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 225 transitions, 947 flow [2023-11-29 01:34:46,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 225 transitions, 932 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 01:34:46,827 INFO L231 Difference]: Finished difference. Result has 233 places, 0 transitions, 0 flow [2023-11-29 01:34:46,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=0, PETRI_PLACES=233, PETRI_TRANSITIONS=0} [2023-11-29 01:34:46,828 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -13 predicate places. [2023-11-29 01:34:46,828 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 0 transitions, 0 flow [2023-11-29 01:34:46,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 192.69230769230768) internal successors, (2505), 13 states have internal predecessors, (2505), 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 01:34:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (85 of 86 remaining) [2023-11-29 01:34:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (84 of 86 remaining) [2023-11-29 01:34:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (83 of 86 remaining) [2023-11-29 01:34:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (82 of 86 remaining) [2023-11-29 01:34:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (81 of 86 remaining) [2023-11-29 01:34:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (80 of 86 remaining) [2023-11-29 01:34:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (79 of 86 remaining) [2023-11-29 01:34:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (78 of 86 remaining) [2023-11-29 01:34:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (77 of 86 remaining) [2023-11-29 01:34:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (76 of 86 remaining) [2023-11-29 01:34:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (75 of 86 remaining) [2023-11-29 01:34:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (74 of 86 remaining) [2023-11-29 01:34:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (73 of 86 remaining) [2023-11-29 01:34:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (72 of 86 remaining) [2023-11-29 01:34:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (71 of 86 remaining) [2023-11-29 01:34:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 86 remaining) [2023-11-29 01:34:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (69 of 86 remaining) [2023-11-29 01:34:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (68 of 86 remaining) [2023-11-29 01:34:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (67 of 86 remaining) [2023-11-29 01:34:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (66 of 86 remaining) [2023-11-29 01:34:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 86 remaining) [2023-11-29 01:34:46,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 86 remaining) [2023-11-29 01:34:46,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 86 remaining) [2023-11-29 01:34:46,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (62 of 86 remaining) [2023-11-29 01:34:46,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (61 of 86 remaining) [2023-11-29 01:34:46,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (60 of 86 remaining) [2023-11-29 01:34:46,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (59 of 86 remaining) [2023-11-29 01:34:46,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (58 of 86 remaining) [2023-11-29 01:34:46,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (57 of 86 remaining) [2023-11-29 01:34:46,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (56 of 86 remaining) [2023-11-29 01:34:46,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 86 remaining) [2023-11-29 01:34:46,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 86 remaining) [2023-11-29 01:34:46,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 86 remaining) [2023-11-29 01:34:46,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (52 of 86 remaining) [2023-11-29 01:34:46,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (51 of 86 remaining) [2023-11-29 01:34:46,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (50 of 86 remaining) [2023-11-29 01:34:46,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 86 remaining) [2023-11-29 01:34:46,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 86 remaining) [2023-11-29 01:34:46,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (47 of 86 remaining) [2023-11-29 01:34:46,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (46 of 86 remaining) [2023-11-29 01:34:46,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 86 remaining) [2023-11-29 01:34:46,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 86 remaining) [2023-11-29 01:34:46,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 86 remaining) [2023-11-29 01:34:46,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 86 remaining) [2023-11-29 01:34:46,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (41 of 86 remaining) [2023-11-29 01:34:46,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (40 of 86 remaining) [2023-11-29 01:34:46,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (39 of 86 remaining) [2023-11-29 01:34:46,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (38 of 86 remaining) [2023-11-29 01:34:46,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (37 of 86 remaining) [2023-11-29 01:34:46,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (36 of 86 remaining) [2023-11-29 01:34:46,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 86 remaining) [2023-11-29 01:34:46,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 86 remaining) [2023-11-29 01:34:46,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 86 remaining) [2023-11-29 01:34:46,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 86 remaining) [2023-11-29 01:34:46,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (31 of 86 remaining) [2023-11-29 01:34:46,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (30 of 86 remaining) [2023-11-29 01:34:46,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 86 remaining) [2023-11-29 01:34:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 86 remaining) [2023-11-29 01:34:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (27 of 86 remaining) [2023-11-29 01:34:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (26 of 86 remaining) [2023-11-29 01:34:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (25 of 86 remaining) [2023-11-29 01:34:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (24 of 86 remaining) [2023-11-29 01:34:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 86 remaining) [2023-11-29 01:34:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 86 remaining) [2023-11-29 01:34:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 86 remaining) [2023-11-29 01:34:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 86 remaining) [2023-11-29 01:34:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 86 remaining) [2023-11-29 01:34:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 86 remaining) [2023-11-29 01:34:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 86 remaining) [2023-11-29 01:34:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 86 remaining) [2023-11-29 01:34:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 86 remaining) [2023-11-29 01:34:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 86 remaining) [2023-11-29 01:34:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 86 remaining) [2023-11-29 01:34:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (12 of 86 remaining) [2023-11-29 01:34:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 86 remaining) [2023-11-29 01:34:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 86 remaining) [2023-11-29 01:34:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 86 remaining) [2023-11-29 01:34:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 86 remaining) [2023-11-29 01:34:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 86 remaining) [2023-11-29 01:34:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 86 remaining) [2023-11-29 01:34:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (5 of 86 remaining) [2023-11-29 01:34:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (4 of 86 remaining) [2023-11-29 01:34:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (3 of 86 remaining) [2023-11-29 01:34:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (2 of 86 remaining) [2023-11-29 01:34:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (1 of 86 remaining) [2023-11-29 01:34:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (0 of 86 remaining) [2023-11-29 01:34:46,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 01:34:46,843 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:34:46,848 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 01:34:46,849 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:34:46,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:34:46 BasicIcfg [2023-11-29 01:34:46,855 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:34:46,855 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:34:46,855 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:34:46,855 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:34:46,856 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:34:20" (3/4) ... [2023-11-29 01:34:46,857 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:34:46,860 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 01:34:46,860 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 01:34:46,860 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 01:34:46,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-29 01:34:46,867 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-29 01:34:46,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 01:34:46,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 01:34:46,869 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:34:46,970 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:34:46,970 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:34:46,971 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:34:46,971 INFO L158 Benchmark]: Toolchain (without parser) took 27568.00ms. Allocated memory was 172.0MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 123.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 326.7MB. Max. memory is 16.1GB. [2023-11-29 01:34:46,972 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory was 116.0MB in the beginning and 115.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:34:46,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.53ms. Allocated memory is still 172.0MB. Free memory was 123.8MB in the beginning and 110.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 01:34:46,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.34ms. Allocated memory is still 172.0MB. Free memory was 110.6MB in the beginning and 107.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:34:46,973 INFO L158 Benchmark]: Boogie Preprocessor took 57.02ms. Allocated memory is still 172.0MB. Free memory was 107.9MB in the beginning and 104.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:34:46,973 INFO L158 Benchmark]: RCFGBuilder took 1105.29ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 104.3MB in the beginning and 131.6MB in the end (delta: -27.3MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2023-11-29 01:34:46,974 INFO L158 Benchmark]: TraceAbstraction took 25957.13ms. Allocated memory was 216.0MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 130.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 283.6MB. Max. memory is 16.1GB. [2023-11-29 01:34:46,974 INFO L158 Benchmark]: Witness Printer took 115.59ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:34:46,976 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory was 116.0MB in the beginning and 115.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.53ms. Allocated memory is still 172.0MB. Free memory was 123.8MB in the beginning and 110.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.34ms. Allocated memory is still 172.0MB. Free memory was 110.6MB in the beginning and 107.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.02ms. Allocated memory is still 172.0MB. Free memory was 107.9MB in the beginning and 104.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1105.29ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 104.3MB in the beginning and 131.6MB in the end (delta: -27.3MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * TraceAbstraction took 25957.13ms. Allocated memory was 216.0MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 130.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 283.6MB. Max. memory is 16.1GB. * Witness Printer took 115.59ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 350 locations, 86 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 25.8s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2396 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1793 mSDsluCounter, 3725 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3668 mSDsCounter, 516 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7494 IncrementalHoareTripleChecker+Invalid, 8010 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 516 mSolverCounterUnsat, 57 mSDtfsCounter, 7494 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 743 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=872occurred in iteration=11, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1991 NumberOfCodeBlocks, 1991 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2273 ConstructedInterpolants, 0 QuantifiedInterpolants, 6282 SizeOfPredicates, 10 NumberOfNonLiveVariables, 942 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 19 InterpolantComputations, 15 PerfectInterpolantSequences, 23/27 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 46 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 01:34:46,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fdcb7-b94c-4486-8877-70a5015a5053/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE