./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme --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 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:55:38,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:55:38,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:55:38,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:55:38,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:55:38,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:55:38,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:55:38,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:55:38,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:55:38,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:55:38,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:55:38,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:55:38,887 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:55:38,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:55:38,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:55:38,890 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:55:38,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:55:38,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:55:38,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:55:38,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:55:38,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:55:38,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:55:38,893 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:55:38,893 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:55:38,894 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:55:38,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:55:38,895 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:55:38,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:55:38,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:55:38,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:55:38,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:55:38,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:55:38,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:55:38,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:55:38,899 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:55:38,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:55:38,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:55:38,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:55:38,900 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:55:38,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:55:38,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:55:38,901 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_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2023-11-26 11:55:39,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:55:39,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:55:39,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:55:39,222 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:55:39,224 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:55:39,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2023-11-26 11:55:42,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:55:42,646 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:55:42,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2023-11-26 11:55:42,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/data/ff98d5141/fef9600860a44ad5aa00bc66803a03e4/FLAG7eb1947a6 [2023-11-26 11:55:42,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/data/ff98d5141/fef9600860a44ad5aa00bc66803a03e4 [2023-11-26 11:55:42,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:55:42,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:55:42,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:55:42,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:55:42,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:55:42,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1e3a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42, skipping insertion in model container [2023-11-26 11:55:42,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,802 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:55:43,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:55:43,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:55:43,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:55:43,627 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:55:43,628 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:55:43,637 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:55:43,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43 WrapperNode [2023-11-26 11:55:43,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:55:43,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:55:43,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:55:43,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:55:43,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43" (1/1) ... [2023-11-26 11:55:43,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43" (1/1) ... [2023-11-26 11:55:43,719 INFO L138 Inliner]: procedures = 246, calls = 52, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 225 [2023-11-26 11:55:43,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:55:43,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:55:43,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:55:43,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:55:43,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43" (1/1) ... [2023-11-26 11:55:43,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43" (1/1) ... [2023-11-26 11:55:43,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43" (1/1) ... [2023-11-26 11:55:43,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43" (1/1) ... [2023-11-26 11:55:43,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43" (1/1) ... [2023-11-26 11:55:43,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43" (1/1) ... [2023-11-26 11:55:43,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43" (1/1) ... [2023-11-26 11:55:43,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43" (1/1) ... [2023-11-26 11:55:43,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:55:43,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:55:43,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:55:43,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:55:43,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43" (1/1) ... [2023-11-26 11:55:43,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:55:43,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:43,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:43,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a21e4c-b6b2-49ae-a6a9-25113171990c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:55:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-26 11:55:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-26 11:55:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:55:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:55:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:55:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:55:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:55:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:55:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:55:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-26 11:55:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:55:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:55:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:55:43,916 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:55:44,238 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:55:44,240 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:55:44,857 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:55:44,913 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:55:44,913 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:55:44,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:55:44 BoogieIcfgContainer [2023-11-26 11:55:44,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:55:44,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:55:44,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:55:44,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:55:44,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:55:42" (1/3) ... [2023-11-26 11:55:44,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a48307c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:55:44, skipping insertion in model container [2023-11-26 11:55:44,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:43" (2/3) ... [2023-11-26 11:55:44,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a48307c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:55:44, skipping insertion in model container [2023-11-26 11:55:44,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:55:44" (3/3) ... [2023-11-26 11:55:44,924 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2023-11-26 11:55:44,933 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:55:44,945 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:55:44,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-26 11:55:44,945 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:55:45,031 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-26 11:55:45,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 301 places, 309 transitions, 632 flow [2023-11-26 11:55:45,356 INFO L124 PetriNetUnfolderBase]: 18/397 cut-off events. [2023-11-26 11:55:45,358 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 11:55:45,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 397 events. 18/397 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 745 event pairs, 0 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 224. Up to 4 conditions per place. [2023-11-26 11:55:45,367 INFO L82 GeneralOperation]: Start removeDead. Operand has 301 places, 309 transitions, 632 flow [2023-11-26 11:55:45,376 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 299 places, 306 transitions, 624 flow [2023-11-26 11:55:45,386 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:55:45,394 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;@210161b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:55:45,394 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-11-26 11:55:45,401 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:55:45,402 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-26 11:55:45,402 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:55:45,402 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:55:45,403 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:55:45,403 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:55:45,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:45,409 INFO L85 PathProgramCache]: Analyzing trace with hash -608001024, now seen corresponding path program 1 times [2023-11-26 11:55:45,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:45,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665363004] [2023-11-26 11:55:45,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:45,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:46,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:46,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665363004] [2023-11-26 11:55:46,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665363004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:46,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:46,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:55:46,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701619696] [2023-11-26 11:55:46,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:46,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:55:46,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:46,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:55:46,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:55:47,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 309 [2023-11-26 11:55:47,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 306 transitions, 624 flow. Second operand has 6 states, 6 states have (on average 228.33333333333334) internal successors, (1370), 6 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:47,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:55:47,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 309 [2023-11-26 11:55:47,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:55:48,048 INFO L124 PetriNetUnfolderBase]: 532/1986 cut-off events. [2023-11-26 11:55:48,049 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-26 11:55:48,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2956 conditions, 1986 events. 532/1986 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 13683 event pairs, 531 based on Foata normal form. 76/1898 useless extension candidates. Maximal degree in co-relation 2591. Up to 947 conditions per place. [2023-11-26 11:55:48,075 INFO L140 encePairwiseOnDemand]: 285/309 looper letters, 52 selfloop transitions, 5 changer transitions 12/269 dead transitions. [2023-11-26 11:55:48,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 269 transitions, 664 flow [2023-11-26 11:55:48,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:55:48,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:55:48,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1438 transitions. [2023-11-26 11:55:48,101 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7756202804746494 [2023-11-26 11:55:48,102 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1438 transitions. [2023-11-26 11:55:48,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1438 transitions. [2023-11-26 11:55:48,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:55:48,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1438 transitions. [2023-11-26 11:55:48,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:48,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:48,134 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:48,136 INFO L175 Difference]: Start difference. First operand has 299 places, 306 transitions, 624 flow. Second operand 6 states and 1438 transitions. [2023-11-26 11:55:48,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 269 transitions, 664 flow [2023-11-26 11:55:48,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 269 transitions, 656 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:55:48,158 INFO L231 Difference]: Finished difference. Result has 275 places, 257 transitions, 528 flow [2023-11-26 11:55:48,161 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=528, PETRI_PLACES=275, PETRI_TRANSITIONS=257} [2023-11-26 11:55:48,165 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -24 predicate places. [2023-11-26 11:55:48,166 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 257 transitions, 528 flow [2023-11-26 11:55:48,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 228.33333333333334) internal successors, (1370), 6 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:48,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:55:48,168 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:55:48,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:55:48,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:55:48,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:48,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1637304938, now seen corresponding path program 1 times [2023-11-26 11:55:48,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:48,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589498653] [2023-11-26 11:55:48,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:48,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:48,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:48,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589498653] [2023-11-26 11:55:48,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589498653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:48,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:48,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:55:48,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914326033] [2023-11-26 11:55:48,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:48,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:55:48,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:48,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:55:48,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:55:49,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 309 [2023-11-26 11:55:49,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 257 transitions, 528 flow. Second operand has 6 states, 6 states have (on average 228.33333333333334) internal successors, (1370), 6 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:49,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:55:49,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 309 [2023-11-26 11:55:49,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:55:49,777 INFO L124 PetriNetUnfolderBase]: 532/1973 cut-off events. [2023-11-26 11:55:49,777 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-26 11:55:49,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2937 conditions, 1973 events. 532/1973 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 13635 event pairs, 531 based on Foata normal form. 0/1814 useless extension candidates. Maximal degree in co-relation 2890. Up to 947 conditions per place. [2023-11-26 11:55:49,793 INFO L140 encePairwiseOnDemand]: 303/309 looper letters, 52 selfloop transitions, 5 changer transitions 0/256 dead transitions. [2023-11-26 11:55:49,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 256 transitions, 640 flow [2023-11-26 11:55:49,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:55:49,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:55:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1420 transitions. [2023-11-26 11:55:49,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7659115426105717 [2023-11-26 11:55:49,799 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1420 transitions. [2023-11-26 11:55:49,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1420 transitions. [2023-11-26 11:55:49,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:55:49,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1420 transitions. [2023-11-26 11:55:49,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.66666666666666) internal successors, (1420), 6 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:49,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:49,813 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:49,813 INFO L175 Difference]: Start difference. First operand has 275 places, 257 transitions, 528 flow. Second operand 6 states and 1420 transitions. [2023-11-26 11:55:49,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 256 transitions, 640 flow [2023-11-26 11:55:49,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 256 transitions, 630 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:55:49,822 INFO L231 Difference]: Finished difference. Result has 262 places, 256 transitions, 526 flow [2023-11-26 11:55:49,822 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=526, PETRI_PLACES=262, PETRI_TRANSITIONS=256} [2023-11-26 11:55:49,823 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -37 predicate places. [2023-11-26 11:55:49,824 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 256 transitions, 526 flow [2023-11-26 11:55:49,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 228.33333333333334) internal successors, (1370), 6 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:49,825 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:55:49,826 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] [2023-11-26 11:55:49,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:55:49,826 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:55:49,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:49,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1553326897, now seen corresponding path program 1 times [2023-11-26 11:55:49,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:49,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297114741] [2023-11-26 11:55:49,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:49,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:50,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:50,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297114741] [2023-11-26 11:55:50,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297114741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:50,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:50,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:55:50,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893261099] [2023-11-26 11:55:50,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:50,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:55:50,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:50,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:55:50,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:55:51,089 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 309 [2023-11-26 11:55:51,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 256 transitions, 526 flow. Second operand has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:51,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:55:51,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 309 [2023-11-26 11:55:51,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:55:51,410 INFO L124 PetriNetUnfolderBase]: 232/956 cut-off events. [2023-11-26 11:55:51,410 INFO L125 PetriNetUnfolderBase]: For 5/13 co-relation queries the response was YES. [2023-11-26 11:55:51,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1390 conditions, 956 events. 232/956 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4970 event pairs, 210 based on Foata normal form. 0/914 useless extension candidates. Maximal degree in co-relation 1330. Up to 415 conditions per place. [2023-11-26 11:55:51,418 INFO L140 encePairwiseOnDemand]: 301/309 looper letters, 28 selfloop transitions, 7 changer transitions 0/259 dead transitions. [2023-11-26 11:55:51,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 259 transitions, 603 flow [2023-11-26 11:55:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:55:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:55:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1554 transitions. [2023-11-26 11:55:51,424 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8381877022653722 [2023-11-26 11:55:51,425 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1554 transitions. [2023-11-26 11:55:51,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1554 transitions. [2023-11-26 11:55:51,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:55:51,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1554 transitions. [2023-11-26 11:55:51,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 259.0) internal successors, (1554), 6 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:51,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:51,439 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:51,439 INFO L175 Difference]: Start difference. First operand has 262 places, 256 transitions, 526 flow. Second operand 6 states and 1554 transitions. [2023-11-26 11:55:51,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 259 transitions, 603 flow [2023-11-26 11:55:51,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 259 transitions, 593 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:55:51,447 INFO L231 Difference]: Finished difference. Result has 262 places, 258 transitions, 544 flow [2023-11-26 11:55:51,448 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=544, PETRI_PLACES=262, PETRI_TRANSITIONS=258} [2023-11-26 11:55:51,450 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -37 predicate places. [2023-11-26 11:55:51,450 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 258 transitions, 544 flow [2023-11-26 11:55:51,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:51,452 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:55:51,452 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] [2023-11-26 11:55:51,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:55:51,453 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:55:51,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:51,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1594510101, now seen corresponding path program 1 times [2023-11-26 11:55:51,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:51,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442615211] [2023-11-26 11:55:51,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:51,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:52,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:52,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442615211] [2023-11-26 11:55:52,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442615211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:52,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:52,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:55:52,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513305259] [2023-11-26 11:55:52,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:52,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:55:52,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:52,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:55:52,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:55:52,685 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 309 [2023-11-26 11:55:52,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 258 transitions, 544 flow. Second operand has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:52,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:55:52,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 309 [2023-11-26 11:55:52,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:55:52,945 INFO L124 PetriNetUnfolderBase]: 232/955 cut-off events. [2023-11-26 11:55:52,945 INFO L125 PetriNetUnfolderBase]: For 83/93 co-relation queries the response was YES. [2023-11-26 11:55:52,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1493 conditions, 955 events. 232/955 cut-off events. For 83/93 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4922 event pairs, 210 based on Foata normal form. 2/916 useless extension candidates. Maximal degree in co-relation 1142. Up to 415 conditions per place. [2023-11-26 11:55:52,954 INFO L140 encePairwiseOnDemand]: 301/309 looper letters, 28 selfloop transitions, 7 changer transitions 0/258 dead transitions. [2023-11-26 11:55:52,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 258 transitions, 615 flow [2023-11-26 11:55:52,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:55:52,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:55:52,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1554 transitions. [2023-11-26 11:55:52,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8381877022653722 [2023-11-26 11:55:52,960 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1554 transitions. [2023-11-26 11:55:52,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1554 transitions. [2023-11-26 11:55:52,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:55:52,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1554 transitions. [2023-11-26 11:55:52,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 259.0) internal successors, (1554), 6 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:52,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:52,976 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:52,976 INFO L175 Difference]: Start difference. First operand has 262 places, 258 transitions, 544 flow. Second operand 6 states and 1554 transitions. [2023-11-26 11:55:52,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 258 transitions, 615 flow [2023-11-26 11:55:52,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 258 transitions, 605 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:55:52,984 INFO L231 Difference]: Finished difference. Result has 262 places, 257 transitions, 546 flow [2023-11-26 11:55:52,985 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=546, PETRI_PLACES=262, PETRI_TRANSITIONS=257} [2023-11-26 11:55:52,987 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -37 predicate places. [2023-11-26 11:55:52,987 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 257 transitions, 546 flow [2023-11-26 11:55:52,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:52,988 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:55:52,989 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] [2023-11-26 11:55:52,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:55:52,990 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:55:52,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:52,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1936296601, now seen corresponding path program 1 times [2023-11-26 11:55:52,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:52,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355425289] [2023-11-26 11:55:52,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:52,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:53,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:53,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355425289] [2023-11-26 11:55:53,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355425289] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:53,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:53,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:55:53,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398000909] [2023-11-26 11:55:53,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:53,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:55:53,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:53,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:55:53,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:55:53,178 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 309 [2023-11-26 11:55:53,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 257 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:53,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:55:53,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 309 [2023-11-26 11:55:53,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:55:53,314 INFO L124 PetriNetUnfolderBase]: 65/544 cut-off events. [2023-11-26 11:55:53,314 INFO L125 PetriNetUnfolderBase]: For 66/81 co-relation queries the response was YES. [2023-11-26 11:55:53,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 544 events. 65/544 cut-off events. For 66/81 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2183 event pairs, 40 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 304. Up to 130 conditions per place. [2023-11-26 11:55:53,320 INFO L140 encePairwiseOnDemand]: 306/309 looper letters, 19 selfloop transitions, 2 changer transitions 0/256 dead transitions. [2023-11-26 11:55:53,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 256 transitions, 586 flow [2023-11-26 11:55:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:55:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:55:53,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 817 transitions. [2023-11-26 11:55:53,329 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8813376483279396 [2023-11-26 11:55:53,330 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 817 transitions. [2023-11-26 11:55:53,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 817 transitions. [2023-11-26 11:55:53,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:55:53,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 817 transitions. [2023-11-26 11:55:53,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:53,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 309.0) internal successors, (1236), 4 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:53,337 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 309.0) internal successors, (1236), 4 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:53,337 INFO L175 Difference]: Start difference. First operand has 262 places, 257 transitions, 546 flow. Second operand 3 states and 817 transitions. [2023-11-26 11:55:53,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 256 transitions, 586 flow [2023-11-26 11:55:53,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 256 transitions, 572 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:55:53,344 INFO L231 Difference]: Finished difference. Result has 258 places, 256 transitions, 534 flow [2023-11-26 11:55:53,345 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=258, PETRI_TRANSITIONS=256} [2023-11-26 11:55:53,347 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -41 predicate places. [2023-11-26 11:55:53,348 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 256 transitions, 534 flow [2023-11-26 11:55:53,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:53,349 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:55:53,349 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] [2023-11-26 11:55:53,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:55:53,350 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:55:53,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:53,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1722133584, now seen corresponding path program 1 times [2023-11-26 11:55:53,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:53,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964226636] [2023-11-26 11:55:53,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:53,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:53,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:53,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964226636] [2023-11-26 11:55:53,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964226636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:53,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:53,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:55:53,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134511025] [2023-11-26 11:55:53,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:53,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:55:53,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:53,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:55:53,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:55:53,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 309 [2023-11-26 11:55:53,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 256 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:53,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:55:53,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 309 [2023-11-26 11:55:53,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:55:53,631 INFO L124 PetriNetUnfolderBase]: 62/616 cut-off events. [2023-11-26 11:55:53,632 INFO L125 PetriNetUnfolderBase]: For 32/54 co-relation queries the response was YES. [2023-11-26 11:55:53,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 797 conditions, 616 events. 62/616 cut-off events. For 32/54 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2254 event pairs, 40 based on Foata normal form. 1/580 useless extension candidates. Maximal degree in co-relation 625. Up to 130 conditions per place. [2023-11-26 11:55:53,639 INFO L140 encePairwiseOnDemand]: 305/309 looper letters, 18 selfloop transitions, 2 changer transitions 0/257 dead transitions. [2023-11-26 11:55:53,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 257 transitions, 577 flow [2023-11-26 11:55:53,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:55:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:55:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 824 transitions. [2023-11-26 11:55:53,643 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2023-11-26 11:55:53,643 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 824 transitions. [2023-11-26 11:55:53,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 824 transitions. [2023-11-26 11:55:53,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:55:53,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 824 transitions. [2023-11-26 11:55:53,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.6666666666667) internal successors, (824), 3 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:53,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 309.0) internal successors, (1236), 4 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:53,650 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 309.0) internal successors, (1236), 4 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:53,650 INFO L175 Difference]: Start difference. First operand has 258 places, 256 transitions, 534 flow. Second operand 3 states and 824 transitions. [2023-11-26 11:55:53,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 257 transitions, 577 flow [2023-11-26 11:55:53,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 257 transitions, 573 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:55:53,659 INFO L231 Difference]: Finished difference. Result has 257 places, 256 transitions, 540 flow [2023-11-26 11:55:53,659 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=540, PETRI_PLACES=257, PETRI_TRANSITIONS=256} [2023-11-26 11:55:53,663 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -42 predicate places. [2023-11-26 11:55:53,663 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 256 transitions, 540 flow [2023-11-26 11:55:53,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:53,664 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:55:53,664 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] [2023-11-26 11:55:53,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:55:53,666 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:55:53,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:53,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1638421182, now seen corresponding path program 1 times [2023-11-26 11:55:53,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:53,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408424005] [2023-11-26 11:55:53,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:53,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:54,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:54,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408424005] [2023-11-26 11:55:54,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408424005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:54,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:54,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:55:54,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626370366] [2023-11-26 11:55:54,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:54,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:55:54,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:54,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:55:54,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:55:54,817 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 309 [2023-11-26 11:55:54,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 256 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:54,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:55:54,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 309 [2023-11-26 11:55:54,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:55:55,653 INFO L124 PetriNetUnfolderBase]: 698/2371 cut-off events. [2023-11-26 11:55:55,654 INFO L125 PetriNetUnfolderBase]: For 209/209 co-relation queries the response was YES. [2023-11-26 11:55:55,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3906 conditions, 2371 events. 698/2371 cut-off events. For 209/209 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 15760 event pairs, 466 based on Foata normal form. 0/2255 useless extension candidates. Maximal degree in co-relation 3232. Up to 1159 conditions per place. [2023-11-26 11:55:55,685 INFO L140 encePairwiseOnDemand]: 296/309 looper letters, 58 selfloop transitions, 30 changer transitions 0/285 dead transitions. [2023-11-26 11:55:55,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 285 transitions, 790 flow [2023-11-26 11:55:55,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:55:55,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:55:55,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2023-11-26 11:55:55,691 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7847896440129449 [2023-11-26 11:55:55,691 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1455 transitions. [2023-11-26 11:55:55,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1455 transitions. [2023-11-26 11:55:55,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:55:55,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1455 transitions. [2023-11-26 11:55:55,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:55,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:55,704 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:55,704 INFO L175 Difference]: Start difference. First operand has 257 places, 256 transitions, 540 flow. Second operand 6 states and 1455 transitions. [2023-11-26 11:55:55,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 285 transitions, 790 flow [2023-11-26 11:55:55,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 285 transitions, 790 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:55:55,717 INFO L231 Difference]: Finished difference. Result has 267 places, 285 transitions, 758 flow [2023-11-26 11:55:55,720 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=758, PETRI_PLACES=267, PETRI_TRANSITIONS=285} [2023-11-26 11:55:55,721 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -32 predicate places. [2023-11-26 11:55:55,721 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 285 transitions, 758 flow [2023-11-26 11:55:55,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:55,723 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:55:55,723 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:55:55,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:55:55,723 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:55:55,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:55,725 INFO L85 PathProgramCache]: Analyzing trace with hash -658284883, now seen corresponding path program 1 times [2023-11-26 11:55:55,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:55,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908427739] [2023-11-26 11:55:55,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:55,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:55,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:55,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:55,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908427739] [2023-11-26 11:55:55,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908427739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:55,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:55,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:55:55,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650009143] [2023-11-26 11:55:55,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:55,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:55:55,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:55,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:55:55,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:55:55,950 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 309 [2023-11-26 11:55:55,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 285 transitions, 758 flow. Second operand has 5 states, 5 states have (on average 265.6) internal successors, (1328), 5 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:55,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:55:55,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 309 [2023-11-26 11:55:55,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:55:56,394 INFO L124 PetriNetUnfolderBase]: 496/1968 cut-off events. [2023-11-26 11:55:56,395 INFO L125 PetriNetUnfolderBase]: For 789/854 co-relation queries the response was YES. [2023-11-26 11:55:56,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3856 conditions, 1968 events. 496/1968 cut-off events. For 789/854 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 12718 event pairs, 276 based on Foata normal form. 1/1841 useless extension candidates. Maximal degree in co-relation 3233. Up to 680 conditions per place. [2023-11-26 11:55:56,415 INFO L140 encePairwiseOnDemand]: 303/309 looper letters, 46 selfloop transitions, 4 changer transitions 2/290 dead transitions. [2023-11-26 11:55:56,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 290 transitions, 872 flow [2023-11-26 11:55:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:55:56,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:55:56,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1611 transitions. [2023-11-26 11:55:56,421 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8689320388349514 [2023-11-26 11:55:56,421 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1611 transitions. [2023-11-26 11:55:56,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1611 transitions. [2023-11-26 11:55:56,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:55:56,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1611 transitions. [2023-11-26 11:55:56,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 268.5) internal successors, (1611), 6 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:56,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:56,433 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:56,433 INFO L175 Difference]: Start difference. First operand has 267 places, 285 transitions, 758 flow. Second operand 6 states and 1611 transitions. [2023-11-26 11:55:56,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 290 transitions, 872 flow [2023-11-26 11:55:56,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 290 transitions, 856 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-11-26 11:55:56,453 INFO L231 Difference]: Finished difference. Result has 276 places, 288 transitions, 773 flow [2023-11-26 11:55:56,454 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=773, PETRI_PLACES=276, PETRI_TRANSITIONS=288} [2023-11-26 11:55:56,457 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -23 predicate places. [2023-11-26 11:55:56,457 INFO L495 AbstractCegarLoop]: Abstraction has has 276 places, 288 transitions, 773 flow [2023-11-26 11:55:56,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 265.6) internal successors, (1328), 5 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:56,458 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:55:56,458 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] [2023-11-26 11:55:56,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:55:56,459 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:55:56,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:56,459 INFO L85 PathProgramCache]: Analyzing trace with hash -662249111, now seen corresponding path program 1 times [2023-11-26 11:55:56,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:56,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510547653] [2023-11-26 11:55:56,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:56,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:57,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:57,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:57,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510547653] [2023-11-26 11:55:57,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510547653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:57,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:57,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:55:57,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581492026] [2023-11-26 11:55:57,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:57,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:55:57,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:57,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:55:57,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:55:57,558 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 309 [2023-11-26 11:55:57,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 288 transitions, 773 flow. Second operand has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:57,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:55:57,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 309 [2023-11-26 11:55:57,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:55:58,415 INFO L124 PetriNetUnfolderBase]: 952/2608 cut-off events. [2023-11-26 11:55:58,415 INFO L125 PetriNetUnfolderBase]: For 1267/1279 co-relation queries the response was YES. [2023-11-26 11:55:58,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5964 conditions, 2608 events. 952/2608 cut-off events. For 1267/1279 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 17153 event pairs, 538 based on Foata normal form. 0/2502 useless extension candidates. Maximal degree in co-relation 5856. Up to 1435 conditions per place. [2023-11-26 11:55:58,447 INFO L140 encePairwiseOnDemand]: 296/309 looper letters, 82 selfloop transitions, 30 changer transitions 0/317 dead transitions. [2023-11-26 11:55:58,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 317 transitions, 1119 flow [2023-11-26 11:55:58,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:55:58,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:55:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2023-11-26 11:55:58,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7847896440129449 [2023-11-26 11:55:58,453 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1455 transitions. [2023-11-26 11:55:58,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1455 transitions. [2023-11-26 11:55:58,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:55:58,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1455 transitions. [2023-11-26 11:55:58,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:58,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:58,475 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:58,475 INFO L175 Difference]: Start difference. First operand has 276 places, 288 transitions, 773 flow. Second operand 6 states and 1455 transitions. [2023-11-26 11:55:58,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 317 transitions, 1119 flow [2023-11-26 11:55:58,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 317 transitions, 1118 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:55:58,496 INFO L231 Difference]: Finished difference. Result has 285 places, 317 transitions, 1038 flow [2023-11-26 11:55:58,497 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1038, PETRI_PLACES=285, PETRI_TRANSITIONS=317} [2023-11-26 11:55:58,498 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -14 predicate places. [2023-11-26 11:55:58,498 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 317 transitions, 1038 flow [2023-11-26 11:55:58,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:58,500 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:55:58,500 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:55:58,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:55:58,501 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:55:58,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:58,511 INFO L85 PathProgramCache]: Analyzing trace with hash -757819994, now seen corresponding path program 1 times [2023-11-26 11:55:58,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:58,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270224349] [2023-11-26 11:55:58,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:58,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:59,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:59,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:59,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270224349] [2023-11-26 11:55:59,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270224349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:59,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:59,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:55:59,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299712076] [2023-11-26 11:55:59,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:59,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:55:59,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:59,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:55:59,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:55:59,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 309 [2023-11-26 11:55:59,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 317 transitions, 1038 flow. Second operand has 6 states, 6 states have (on average 248.33333333333334) internal successors, (1490), 6 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:59,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:55:59,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 309 [2023-11-26 11:55:59,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:00,776 INFO L124 PetriNetUnfolderBase]: 930/2876 cut-off events. [2023-11-26 11:56:00,777 INFO L125 PetriNetUnfolderBase]: For 2210/2241 co-relation queries the response was YES. [2023-11-26 11:56:00,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7431 conditions, 2876 events. 930/2876 cut-off events. For 2210/2241 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 19836 event pairs, 306 based on Foata normal form. 0/2758 useless extension candidates. Maximal degree in co-relation 7077. Up to 1288 conditions per place. [2023-11-26 11:56:00,807 INFO L140 encePairwiseOnDemand]: 292/309 looper letters, 96 selfloop transitions, 27 changer transitions 0/346 dead transitions. [2023-11-26 11:56:00,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 346 transitions, 1458 flow [2023-11-26 11:56:00,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:00,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:56:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1541 transitions. [2023-11-26 11:56:00,815 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.831175836030205 [2023-11-26 11:56:00,815 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1541 transitions. [2023-11-26 11:56:00,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1541 transitions. [2023-11-26 11:56:00,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:00,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1541 transitions. [2023-11-26 11:56:00,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 256.8333333333333) internal successors, (1541), 6 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:00,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:00,827 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:00,827 INFO L175 Difference]: Start difference. First operand has 285 places, 317 transitions, 1038 flow. Second operand 6 states and 1541 transitions. [2023-11-26 11:56:00,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 346 transitions, 1458 flow [2023-11-26 11:56:00,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 346 transitions, 1394 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-11-26 11:56:00,844 INFO L231 Difference]: Finished difference. Result has 294 places, 338 transitions, 1230 flow [2023-11-26 11:56:00,846 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=972, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1230, PETRI_PLACES=294, PETRI_TRANSITIONS=338} [2023-11-26 11:56:00,847 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -5 predicate places. [2023-11-26 11:56:00,848 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 338 transitions, 1230 flow [2023-11-26 11:56:00,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 248.33333333333334) internal successors, (1490), 6 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:00,849 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:00,849 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] [2023-11-26 11:56:00,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:56:00,849 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:56:00,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:00,850 INFO L85 PathProgramCache]: Analyzing trace with hash -793073395, now seen corresponding path program 1 times [2023-11-26 11:56:00,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:00,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530655624] [2023-11-26 11:56:00,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:00,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:01,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:01,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530655624] [2023-11-26 11:56:01,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530655624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:01,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:01,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:01,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547130984] [2023-11-26 11:56:01,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:01,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:56:01,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:01,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:56:01,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:56:02,052 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 309 [2023-11-26 11:56:02,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 338 transitions, 1230 flow. Second operand has 6 states, 6 states have (on average 254.66666666666666) internal successors, (1528), 6 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:02,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:02,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 309 [2023-11-26 11:56:02,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:03,030 INFO L124 PetriNetUnfolderBase]: 1035/3024 cut-off events. [2023-11-26 11:56:03,031 INFO L125 PetriNetUnfolderBase]: For 3426/3633 co-relation queries the response was YES. [2023-11-26 11:56:03,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8894 conditions, 3024 events. 1035/3024 cut-off events. For 3426/3633 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 21044 event pairs, 291 based on Foata normal form. 1/2910 useless extension candidates. Maximal degree in co-relation 8516. Up to 1466 conditions per place. [2023-11-26 11:56:03,068 INFO L140 encePairwiseOnDemand]: 298/309 looper letters, 115 selfloop transitions, 22 changer transitions 0/369 dead transitions. [2023-11-26 11:56:03,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 369 transitions, 1720 flow [2023-11-26 11:56:03,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:56:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1577 transitions. [2023-11-26 11:56:03,074 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8505933117583603 [2023-11-26 11:56:03,074 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1577 transitions. [2023-11-26 11:56:03,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1577 transitions. [2023-11-26 11:56:03,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:03,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1577 transitions. [2023-11-26 11:56:03,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 262.8333333333333) internal successors, (1577), 6 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:03,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:03,085 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:03,085 INFO L175 Difference]: Start difference. First operand has 294 places, 338 transitions, 1230 flow. Second operand 6 states and 1577 transitions. [2023-11-26 11:56:03,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 369 transitions, 1720 flow [2023-11-26 11:56:03,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 369 transitions, 1704 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-11-26 11:56:03,105 INFO L231 Difference]: Finished difference. Result has 304 places, 359 transitions, 1484 flow [2023-11-26 11:56:03,106 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=1214, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1484, PETRI_PLACES=304, PETRI_TRANSITIONS=359} [2023-11-26 11:56:03,107 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 5 predicate places. [2023-11-26 11:56:03,107 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 359 transitions, 1484 flow [2023-11-26 11:56:03,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 254.66666666666666) internal successors, (1528), 6 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:03,108 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:03,108 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] [2023-11-26 11:56:03,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:56:03,109 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:56:03,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:03,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1182761271, now seen corresponding path program 1 times [2023-11-26 11:56:03,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:03,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719220511] [2023-11-26 11:56:03,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:03,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:03,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:03,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:03,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719220511] [2023-11-26 11:56:03,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719220511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:03,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:03,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:03,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332813996] [2023-11-26 11:56:03,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:03,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:56:03,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:03,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:56:03,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:56:03,387 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 309 [2023-11-26 11:56:03,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 359 transitions, 1484 flow. Second operand has 5 states, 5 states have (on average 265.2) internal successors, (1326), 5 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:03,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:03,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 309 [2023-11-26 11:56:03,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:03,830 INFO L124 PetriNetUnfolderBase]: 318/1283 cut-off events. [2023-11-26 11:56:03,830 INFO L125 PetriNetUnfolderBase]: For 2824/2887 co-relation queries the response was YES. [2023-11-26 11:56:03,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3713 conditions, 1283 events. 318/1283 cut-off events. For 2824/2887 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 7196 event pairs, 19 based on Foata normal form. 27/1279 useless extension candidates. Maximal degree in co-relation 3569. Up to 359 conditions per place. [2023-11-26 11:56:03,844 INFO L140 encePairwiseOnDemand]: 303/309 looper letters, 65 selfloop transitions, 4 changer transitions 21/305 dead transitions. [2023-11-26 11:56:03,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 305 transitions, 1340 flow [2023-11-26 11:56:03,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:56:03,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1628 transitions. [2023-11-26 11:56:03,850 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8781014023732471 [2023-11-26 11:56:03,851 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1628 transitions. [2023-11-26 11:56:03,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1628 transitions. [2023-11-26 11:56:03,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:03,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1628 transitions. [2023-11-26 11:56:03,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 271.3333333333333) internal successors, (1628), 6 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:03,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:03,862 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:03,862 INFO L175 Difference]: Start difference. First operand has 304 places, 359 transitions, 1484 flow. Second operand 6 states and 1628 transitions. [2023-11-26 11:56:03,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 305 transitions, 1340 flow [2023-11-26 11:56:03,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 305 transitions, 1228 flow, removed 23 selfloop flow, removed 24 redundant places. [2023-11-26 11:56:03,878 INFO L231 Difference]: Finished difference. Result has 283 places, 256 transitions, 809 flow [2023-11-26 11:56:03,879 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=846, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=809, PETRI_PLACES=283, PETRI_TRANSITIONS=256} [2023-11-26 11:56:03,880 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -16 predicate places. [2023-11-26 11:56:03,881 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 256 transitions, 809 flow [2023-11-26 11:56:03,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 265.2) internal successors, (1326), 5 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:03,881 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:03,882 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] [2023-11-26 11:56:03,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 11:56:03,882 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:56:03,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:03,883 INFO L85 PathProgramCache]: Analyzing trace with hash 2121429778, now seen corresponding path program 1 times [2023-11-26 11:56:03,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:03,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176890729] [2023-11-26 11:56:03,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:03,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:04,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:04,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176890729] [2023-11-26 11:56:04,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176890729] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:04,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:04,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:04,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8966039] [2023-11-26 11:56:04,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:04,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:56:04,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:04,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:56:04,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:56:05,412 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 309 [2023-11-26 11:56:05,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 256 transitions, 809 flow. Second operand has 6 states, 6 states have (on average 248.33333333333334) internal successors, (1490), 6 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:05,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:05,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 309 [2023-11-26 11:56:05,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:05,658 INFO L124 PetriNetUnfolderBase]: 180/831 cut-off events. [2023-11-26 11:56:05,658 INFO L125 PetriNetUnfolderBase]: For 1429/1792 co-relation queries the response was YES. [2023-11-26 11:56:05,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2349 conditions, 831 events. 180/831 cut-off events. For 1429/1792 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3833 event pairs, 65 based on Foata normal form. 2/797 useless extension candidates. Maximal degree in co-relation 2167. Up to 291 conditions per place. [2023-11-26 11:56:05,666 INFO L140 encePairwiseOnDemand]: 298/309 looper letters, 37 selfloop transitions, 0 changer transitions 79/255 dead transitions. [2023-11-26 11:56:05,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 255 transitions, 914 flow [2023-11-26 11:56:05,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:05,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:56:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1507 transitions. [2023-11-26 11:56:05,672 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8128371089536138 [2023-11-26 11:56:05,672 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1507 transitions. [2023-11-26 11:56:05,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1507 transitions. [2023-11-26 11:56:05,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:05,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1507 transitions. [2023-11-26 11:56:05,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.16666666666666) internal successors, (1507), 6 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:05,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:05,683 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:05,683 INFO L175 Difference]: Start difference. First operand has 283 places, 256 transitions, 809 flow. Second operand 6 states and 1507 transitions. [2023-11-26 11:56:05,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 255 transitions, 914 flow [2023-11-26 11:56:05,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 255 transitions, 889 flow, removed 3 selfloop flow, removed 7 redundant places. [2023-11-26 11:56:05,692 INFO L231 Difference]: Finished difference. Result has 258 places, 176 transitions, 591 flow [2023-11-26 11:56:05,693 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=591, PETRI_PLACES=258, PETRI_TRANSITIONS=176} [2023-11-26 11:56:05,694 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -41 predicate places. [2023-11-26 11:56:05,695 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 176 transitions, 591 flow [2023-11-26 11:56:05,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 248.33333333333334) internal successors, (1490), 6 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:05,696 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:05,696 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] [2023-11-26 11:56:05,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 11:56:05,696 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:56:05,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:05,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1390304236, now seen corresponding path program 1 times [2023-11-26 11:56:05,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:05,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267979275] [2023-11-26 11:56:05,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:05,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:07,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:07,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:07,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267979275] [2023-11-26 11:56:07,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267979275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:07,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:07,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-26 11:56:07,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565367918] [2023-11-26 11:56:07,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:07,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-26 11:56:07,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:07,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-26 11:56:07,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-11-26 11:56:12,333 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-26 11:56:12,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 176 transitions, 591 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:12,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:12,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-26 11:56:12,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:16,036 INFO L124 PetriNetUnfolderBase]: 1054/2653 cut-off events. [2023-11-26 11:56:16,037 INFO L125 PetriNetUnfolderBase]: For 4562/4736 co-relation queries the response was YES. [2023-11-26 11:56:16,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8199 conditions, 2653 events. 1054/2653 cut-off events. For 4562/4736 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 18012 event pairs, 82 based on Foata normal form. 17/2634 useless extension candidates. Maximal degree in co-relation 8183. Up to 830 conditions per place. [2023-11-26 11:56:16,063 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 126 selfloop transitions, 116 changer transitions 0/355 dead transitions. [2023-11-26 11:56:16,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 355 transitions, 2219 flow [2023-11-26 11:56:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-26 11:56:16,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2023-11-26 11:56:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 7619 transitions. [2023-11-26 11:56:16,087 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.770529935275081 [2023-11-26 11:56:16,087 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 7619 transitions. [2023-11-26 11:56:16,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 7619 transitions. [2023-11-26 11:56:16,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:16,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 7619 transitions. [2023-11-26 11:56:16,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 238.09375) internal successors, (7619), 32 states have internal predecessors, (7619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:16,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 309.0) internal successors, (10197), 33 states have internal predecessors, (10197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:16,138 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 309.0) internal successors, (10197), 33 states have internal predecessors, (10197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:16,138 INFO L175 Difference]: Start difference. First operand has 258 places, 176 transitions, 591 flow. Second operand 32 states and 7619 transitions. [2023-11-26 11:56:16,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 355 transitions, 2219 flow [2023-11-26 11:56:16,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 355 transitions, 1888 flow, removed 164 selfloop flow, removed 5 redundant places. [2023-11-26 11:56:16,163 INFO L231 Difference]: Finished difference. Result has 229 places, 274 transitions, 1641 flow [2023-11-26 11:56:16,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=1641, PETRI_PLACES=229, PETRI_TRANSITIONS=274} [2023-11-26 11:56:16,165 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -70 predicate places. [2023-11-26 11:56:16,165 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 274 transitions, 1641 flow [2023-11-26 11:56:16,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:16,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:16,167 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] [2023-11-26 11:56:16,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 11:56:16,167 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:56:16,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:16,168 INFO L85 PathProgramCache]: Analyzing trace with hash -727873708, now seen corresponding path program 2 times [2023-11-26 11:56:16,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:16,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193635530] [2023-11-26 11:56:16,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:16,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:17,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:17,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:17,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193635530] [2023-11-26 11:56:17,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193635530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:17,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:17,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-26 11:56:17,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672739748] [2023-11-26 11:56:17,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:17,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-26 11:56:17,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:17,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-26 11:56:17,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-26 11:56:21,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-26 11:56:21,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 274 transitions, 1641 flow. Second operand has 16 states, 16 states have (on average 233.0625) internal successors, (3729), 16 states have internal predecessors, (3729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:21,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:21,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-26 11:56:21,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:24,238 INFO L124 PetriNetUnfolderBase]: 1183/2926 cut-off events. [2023-11-26 11:56:24,238 INFO L125 PetriNetUnfolderBase]: For 7490/7895 co-relation queries the response was YES. [2023-11-26 11:56:24,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10710 conditions, 2926 events. 1183/2926 cut-off events. For 7490/7895 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 20009 event pairs, 50 based on Foata normal form. 63/2961 useless extension candidates. Maximal degree in co-relation 10672. Up to 901 conditions per place. [2023-11-26 11:56:24,264 INFO L140 encePairwiseOnDemand]: 288/309 looper letters, 290 selfloop transitions, 139 changer transitions 0/542 dead transitions. [2023-11-26 11:56:24,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 542 transitions, 4746 flow [2023-11-26 11:56:24,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-26 11:56:24,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-26 11:56:24,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 8768 transitions. [2023-11-26 11:56:24,278 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7669028251552523 [2023-11-26 11:56:24,279 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 8768 transitions. [2023-11-26 11:56:24,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 8768 transitions. [2023-11-26 11:56:24,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:24,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 8768 transitions. [2023-11-26 11:56:24,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 236.97297297297297) internal successors, (8768), 37 states have internal predecessors, (8768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:24,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 309.0) internal successors, (11742), 38 states have internal predecessors, (11742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:24,320 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 309.0) internal successors, (11742), 38 states have internal predecessors, (11742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:24,320 INFO L175 Difference]: Start difference. First operand has 229 places, 274 transitions, 1641 flow. Second operand 37 states and 8768 transitions. [2023-11-26 11:56:24,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 542 transitions, 4746 flow [2023-11-26 11:56:24,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 542 transitions, 4729 flow, removed 5 selfloop flow, removed 4 redundant places. [2023-11-26 11:56:24,377 INFO L231 Difference]: Finished difference. Result has 275 places, 377 transitions, 3128 flow [2023-11-26 11:56:24,378 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=1626, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=3128, PETRI_PLACES=275, PETRI_TRANSITIONS=377} [2023-11-26 11:56:24,378 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -24 predicate places. [2023-11-26 11:56:24,379 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 377 transitions, 3128 flow [2023-11-26 11:56:24,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 233.0625) internal successors, (3729), 16 states have internal predecessors, (3729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:24,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:24,380 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] [2023-11-26 11:56:24,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 11:56:24,380 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:56:24,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:24,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1117357274, now seen corresponding path program 3 times [2023-11-26 11:56:24,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:24,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021938371] [2023-11-26 11:56:24,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:24,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat