./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-word-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a 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_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-word-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU --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 9cb2b0cbecf02e8cce2fd890595fb88c3204482a27ce7ac6f4ef6fb92949d747 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:53,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:53,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:08:53,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:53,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:53,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:53,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:53,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:53,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:08:53,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:08:53,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:53,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:53,820 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:53,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:53,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:08:53,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:08:53,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:53,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:08:53,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:53,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:08:53,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:08:53,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:08:53,828 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:08:53,829 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:53,829 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:08:53,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:08:53,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:53,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:53,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:53,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:53,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:08:53,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:53,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:53,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:08:53,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:08:53,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:53,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:08:53,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:08:53,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:08:53,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:08:53,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:08:53,836 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_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cb2b0cbecf02e8cce2fd890595fb88c3204482a27ce7ac6f4ef6fb92949d747 [2024-10-31 22:08:54,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:54,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:54,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:54,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:54,237 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:54,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/chl-word-trans.wvr.c Unable to find full path for "g++" [2024-10-31 22:08:56,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:56,910 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:56,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/sv-benchmarks/c/weaver/chl-word-trans.wvr.c [2024-10-31 22:08:56,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/data/5ad42ce5a/14adf47a84db4659bc946a501480e755/FLAG16f234eb6 [2024-10-31 22:08:56,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/data/5ad42ce5a/14adf47a84db4659bc946a501480e755 [2024-10-31 22:08:56,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:56,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:56,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:56,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:56,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:56,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:56" (1/1) ... [2024-10-31 22:08:56,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d03d281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:56, skipping insertion in model container [2024-10-31 22:08:56,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:56" (1/1) ... [2024-10-31 22:08:57,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:57,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:57,356 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:57,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:57,471 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:57,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57 WrapperNode [2024-10-31 22:08:57,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:57,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:57,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:57,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:57,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,565 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 244 [2024-10-31 22:08:57,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:57,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:57,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:57,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:57,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:57,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:57,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:57,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:57,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:57,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef669403-c7b0-4ada-8d10-899b65370746/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:08:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:08:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:08:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:08:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 22:08:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 22:08:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:08:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:08:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:08:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:08:57,763 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:08:57,942 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:57,944 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:59,229 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:08:59,229 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:59,276 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:59,277 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-31 22:08:59,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:59 BoogieIcfgContainer [2024-10-31 22:08:59,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:59,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:59,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:59,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:59,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:08:56" (1/3) ... [2024-10-31 22:08:59,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4acfb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:59, skipping insertion in model container [2024-10-31 22:08:59,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57" (2/3) ... [2024-10-31 22:08:59,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4acfb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:59, skipping insertion in model container [2024-10-31 22:08:59,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:59" (3/3) ... [2024-10-31 22:08:59,293 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-trans.wvr.c [2024-10-31 22:08:59,308 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:59,309 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2024-10-31 22:08:59,309 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:08:59,500 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-31 22:08:59,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 623 places, 646 transitions, 1313 flow [2024-10-31 22:08:59,928 INFO L124 PetriNetUnfolderBase]: 33/643 cut-off events. [2024-10-31 22:08:59,928 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:08:59,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 656 conditions, 643 events. 33/643 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1738 event pairs, 0 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 493. Up to 3 conditions per place. [2024-10-31 22:08:59,950 INFO L82 GeneralOperation]: Start removeDead. Operand has 623 places, 646 transitions, 1313 flow [2024-10-31 22:08:59,968 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 601 places, 622 transitions, 1262 flow [2024-10-31 22:08:59,978 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:59,987 INFO L333 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, 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;@1db99616, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:59,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 135 error locations. [2024-10-31 22:08:59,992 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:08:59,993 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-31 22:08:59,994 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:08:59,994 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:59,995 INFO L204 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] [2024-10-31 22:08:59,996 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:00,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:00,003 INFO L85 PathProgramCache]: Analyzing trace with hash -2016546986, now seen corresponding path program 1 times [2024-10-31 22:09:00,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:00,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115781507] [2024-10-31 22:09:00,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:00,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:00,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:00,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115781507] [2024-10-31 22:09:00,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115781507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:00,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:00,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:00,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863355268] [2024-10-31 22:09:00,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:00,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:00,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:00,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:00,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:00,462 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 646 [2024-10-31 22:09:00,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 601 places, 622 transitions, 1262 flow. Second operand has 3 states, 3 states have (on average 616.3333333333334) internal successors, (1849), 3 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:00,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:00,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 646 [2024-10-31 22:09:00,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:00,969 INFO L124 PetriNetUnfolderBase]: 51/1065 cut-off events. [2024-10-31 22:09:00,970 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-31 22:09:00,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1130 conditions, 1065 events. 51/1065 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5296 event pairs, 12 based on Foata normal form. 30/898 useless extension candidates. Maximal degree in co-relation 832. Up to 38 conditions per place. [2024-10-31 22:09:01,003 INFO L140 encePairwiseOnDemand]: 631/646 looper letters, 13 selfloop transitions, 2 changer transitions 6/609 dead transitions. [2024-10-31 22:09:01,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 609 transitions, 1266 flow [2024-10-31 22:09:01,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:01,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1873 transitions. [2024-10-31 22:09:01,029 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9664602683178535 [2024-10-31 22:09:01,031 INFO L175 Difference]: Start difference. First operand has 601 places, 622 transitions, 1262 flow. Second operand 3 states and 1873 transitions. [2024-10-31 22:09:01,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 609 transitions, 1266 flow [2024-10-31 22:09:01,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 609 transitions, 1254 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-31 22:09:01,057 INFO L231 Difference]: Finished difference. Result has 596 places, 603 transitions, 1216 flow [2024-10-31 22:09:01,060 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1224, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1216, PETRI_PLACES=596, PETRI_TRANSITIONS=603} [2024-10-31 22:09:01,066 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -5 predicate places. [2024-10-31 22:09:01,067 INFO L471 AbstractCegarLoop]: Abstraction has has 596 places, 603 transitions, 1216 flow [2024-10-31 22:09:01,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 616.3333333333334) internal successors, (1849), 3 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:01,069 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:01,069 INFO L204 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] [2024-10-31 22:09:01,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:09:01,069 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:01,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:01,070 INFO L85 PathProgramCache]: Analyzing trace with hash -2142014687, now seen corresponding path program 1 times [2024-10-31 22:09:01,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:01,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617201668] [2024-10-31 22:09:01,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:01,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:01,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:01,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617201668] [2024-10-31 22:09:01,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617201668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:01,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:01,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:01,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237534813] [2024-10-31 22:09:01,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:01,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:01,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:01,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:01,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:01,230 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 646 [2024-10-31 22:09:01,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 603 transitions, 1216 flow. Second operand has 3 states, 3 states have (on average 616.3333333333334) internal successors, (1849), 3 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:01,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:01,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 646 [2024-10-31 22:09:01,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:01,722 INFO L124 PetriNetUnfolderBase]: 79/1490 cut-off events. [2024-10-31 22:09:01,722 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:09:01,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1559 conditions, 1490 events. 79/1490 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 9114 event pairs, 20 based on Foata normal form. 0/1206 useless extension candidates. Maximal degree in co-relation 1522. Up to 50 conditions per place. [2024-10-31 22:09:01,769 INFO L140 encePairwiseOnDemand]: 643/646 looper letters, 13 selfloop transitions, 2 changer transitions 0/602 dead transitions. [2024-10-31 22:09:01,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 591 places, 602 transitions, 1244 flow [2024-10-31 22:09:01,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1861 transitions. [2024-10-31 22:09:01,775 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9602683178534571 [2024-10-31 22:09:01,775 INFO L175 Difference]: Start difference. First operand has 596 places, 603 transitions, 1216 flow. Second operand 3 states and 1861 transitions. [2024-10-31 22:09:01,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 591 places, 602 transitions, 1244 flow [2024-10-31 22:09:01,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 602 transitions, 1240 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:01,787 INFO L231 Difference]: Finished difference. Result has 589 places, 602 transitions, 1214 flow [2024-10-31 22:09:01,788 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1210, PETRI_DIFFERENCE_MINUEND_PLACES=587, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1214, PETRI_PLACES=589, PETRI_TRANSITIONS=602} [2024-10-31 22:09:01,789 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -12 predicate places. [2024-10-31 22:09:01,790 INFO L471 AbstractCegarLoop]: Abstraction has has 589 places, 602 transitions, 1214 flow [2024-10-31 22:09:01,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 616.3333333333334) internal successors, (1849), 3 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:01,792 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:01,792 INFO L204 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] [2024-10-31 22:09:01,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:09:01,792 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:01,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:01,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1394337867, now seen corresponding path program 1 times [2024-10-31 22:09:01,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:01,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041011266] [2024-10-31 22:09:01,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:01,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:01,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:01,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:01,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041011266] [2024-10-31 22:09:01,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041011266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:01,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:01,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:01,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362757692] [2024-10-31 22:09:01,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:01,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:01,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:01,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:01,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:01,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 646 [2024-10-31 22:09:01,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 602 transitions, 1214 flow. Second operand has 3 states, 3 states have (on average 616.3333333333334) internal successors, (1849), 3 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:01,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:01,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 646 [2024-10-31 22:09:01,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:02,411 INFO L124 PetriNetUnfolderBase]: 79/1477 cut-off events. [2024-10-31 22:09:02,411 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2024-10-31 22:09:02,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1538 conditions, 1477 events. 79/1477 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 8372 event pairs, 20 based on Foata normal form. 0/1199 useless extension candidates. Maximal degree in co-relation 1493. Up to 50 conditions per place. [2024-10-31 22:09:02,451 INFO L140 encePairwiseOnDemand]: 643/646 looper letters, 13 selfloop transitions, 2 changer transitions 0/601 dead transitions. [2024-10-31 22:09:02,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 601 transitions, 1242 flow [2024-10-31 22:09:02,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:02,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1861 transitions. [2024-10-31 22:09:02,458 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9602683178534571 [2024-10-31 22:09:02,458 INFO L175 Difference]: Start difference. First operand has 589 places, 602 transitions, 1214 flow. Second operand 3 states and 1861 transitions. [2024-10-31 22:09:02,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 601 transitions, 1242 flow [2024-10-31 22:09:02,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 601 transitions, 1238 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:02,471 INFO L231 Difference]: Finished difference. Result has 588 places, 601 transitions, 1212 flow [2024-10-31 22:09:02,472 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1208, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=599, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1212, PETRI_PLACES=588, PETRI_TRANSITIONS=601} [2024-10-31 22:09:02,473 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -13 predicate places. [2024-10-31 22:09:02,474 INFO L471 AbstractCegarLoop]: Abstraction has has 588 places, 601 transitions, 1212 flow [2024-10-31 22:09:02,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 616.3333333333334) internal successors, (1849), 3 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:02,475 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:02,476 INFO L204 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] [2024-10-31 22:09:02,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:09:02,476 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:02,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:02,478 INFO L85 PathProgramCache]: Analyzing trace with hash -221744102, now seen corresponding path program 1 times [2024-10-31 22:09:02,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:02,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950432265] [2024-10-31 22:09:02,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:02,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:02,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:02,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950432265] [2024-10-31 22:09:02,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950432265] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:02,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:02,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:02,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518596813] [2024-10-31 22:09:02,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:02,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:02,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:02,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:02,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:02,629 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 614 out of 646 [2024-10-31 22:09:02,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 601 transitions, 1212 flow. Second operand has 3 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:02,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:02,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 614 of 646 [2024-10-31 22:09:02,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:02,955 INFO L124 PetriNetUnfolderBase]: 51/1082 cut-off events. [2024-10-31 22:09:02,956 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-10-31 22:09:02,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 1082 events. 51/1082 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5477 event pairs, 12 based on Foata normal form. 0/895 useless extension candidates. Maximal degree in co-relation 1081. Up to 39 conditions per place. [2024-10-31 22:09:02,983 INFO L140 encePairwiseOnDemand]: 643/646 looper letters, 14 selfloop transitions, 2 changer transitions 0/600 dead transitions. [2024-10-31 22:09:02,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 600 transitions, 1242 flow [2024-10-31 22:09:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1859 transitions. [2024-10-31 22:09:02,989 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9592363261093911 [2024-10-31 22:09:02,989 INFO L175 Difference]: Start difference. First operand has 588 places, 601 transitions, 1212 flow. Second operand 3 states and 1859 transitions. [2024-10-31 22:09:02,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 600 transitions, 1242 flow [2024-10-31 22:09:02,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 587 places, 600 transitions, 1238 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:03,001 INFO L231 Difference]: Finished difference. Result has 587 places, 600 transitions, 1210 flow [2024-10-31 22:09:03,002 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1206, PETRI_DIFFERENCE_MINUEND_PLACES=585, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=600, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1210, PETRI_PLACES=587, PETRI_TRANSITIONS=600} [2024-10-31 22:09:03,004 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -14 predicate places. [2024-10-31 22:09:03,006 INFO L471 AbstractCegarLoop]: Abstraction has has 587 places, 600 transitions, 1210 flow [2024-10-31 22:09:03,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:03,007 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:03,008 INFO L204 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] [2024-10-31 22:09:03,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:09:03,008 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:03,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:03,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1688950506, now seen corresponding path program 1 times [2024-10-31 22:09:03,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:03,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017484311] [2024-10-31 22:09:03,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:03,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:03,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:03,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017484311] [2024-10-31 22:09:03,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017484311] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:03,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:03,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:03,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705683822] [2024-10-31 22:09:03,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:03,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:03,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:03,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:03,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:03,159 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 614 out of 646 [2024-10-31 22:09:03,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 600 transitions, 1210 flow. Second operand has 3 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:03,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:03,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 614 of 646 [2024-10-31 22:09:03,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:03,632 INFO L124 PetriNetUnfolderBase]: 89/1777 cut-off events. [2024-10-31 22:09:03,632 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-10-31 22:09:03,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1847 conditions, 1777 events. 89/1777 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 11565 event pairs, 20 based on Foata normal form. 0/1438 useless extension candidates. Maximal degree in co-relation 1786. Up to 51 conditions per place. [2024-10-31 22:09:03,672 INFO L140 encePairwiseOnDemand]: 643/646 looper letters, 14 selfloop transitions, 2 changer transitions 0/599 dead transitions. [2024-10-31 22:09:03,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 599 transitions, 1240 flow [2024-10-31 22:09:03,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:03,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1859 transitions. [2024-10-31 22:09:03,677 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9592363261093911 [2024-10-31 22:09:03,677 INFO L175 Difference]: Start difference. First operand has 587 places, 600 transitions, 1210 flow. Second operand 3 states and 1859 transitions. [2024-10-31 22:09:03,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 599 transitions, 1240 flow [2024-10-31 22:09:03,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 599 transitions, 1236 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:03,689 INFO L231 Difference]: Finished difference. Result has 586 places, 599 transitions, 1208 flow [2024-10-31 22:09:03,690 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1204, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=597, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1208, PETRI_PLACES=586, PETRI_TRANSITIONS=599} [2024-10-31 22:09:03,691 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -15 predicate places. [2024-10-31 22:09:03,691 INFO L471 AbstractCegarLoop]: Abstraction has has 586 places, 599 transitions, 1208 flow [2024-10-31 22:09:03,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:03,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:03,693 INFO L204 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] [2024-10-31 22:09:03,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:09:03,694 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:03,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:03,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1808276789, now seen corresponding path program 1 times [2024-10-31 22:09:03,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:03,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166868691] [2024-10-31 22:09:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:03,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:03,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:03,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:03,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166868691] [2024-10-31 22:09:03,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166868691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:03,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:03,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:03,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177158273] [2024-10-31 22:09:03,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:03,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:03,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:03,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:03,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:03,807 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 614 out of 646 [2024-10-31 22:09:03,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 599 transitions, 1208 flow. Second operand has 3 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:03,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:03,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 614 of 646 [2024-10-31 22:09:03,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:04,119 INFO L124 PetriNetUnfolderBase]: 49/858 cut-off events. [2024-10-31 22:09:04,119 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-10-31 22:09:04,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 858 events. 49/858 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3729 event pairs, 20 based on Foata normal form. 0/721 useless extension candidates. Maximal degree in co-relation 851. Up to 51 conditions per place. [2024-10-31 22:09:04,148 INFO L140 encePairwiseOnDemand]: 643/646 looper letters, 14 selfloop transitions, 2 changer transitions 0/598 dead transitions. [2024-10-31 22:09:04,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 587 places, 598 transitions, 1238 flow [2024-10-31 22:09:04,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:04,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:04,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1859 transitions. [2024-10-31 22:09:04,155 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9592363261093911 [2024-10-31 22:09:04,155 INFO L175 Difference]: Start difference. First operand has 586 places, 599 transitions, 1208 flow. Second operand 3 states and 1859 transitions. [2024-10-31 22:09:04,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 587 places, 598 transitions, 1238 flow [2024-10-31 22:09:04,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 598 transitions, 1234 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:04,170 INFO L231 Difference]: Finished difference. Result has 585 places, 598 transitions, 1206 flow [2024-10-31 22:09:04,172 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1202, PETRI_DIFFERENCE_MINUEND_PLACES=583, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=598, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1206, PETRI_PLACES=585, PETRI_TRANSITIONS=598} [2024-10-31 22:09:04,173 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -16 predicate places. [2024-10-31 22:09:04,173 INFO L471 AbstractCegarLoop]: Abstraction has has 585 places, 598 transitions, 1206 flow [2024-10-31 22:09:04,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:04,175 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:04,175 INFO L204 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] [2024-10-31 22:09:04,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:09:04,176 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:04,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:04,176 INFO L85 PathProgramCache]: Analyzing trace with hash -454764843, now seen corresponding path program 1 times [2024-10-31 22:09:04,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:04,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055126423] [2024-10-31 22:09:04,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:04,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:04,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:04,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055126423] [2024-10-31 22:09:04,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055126423] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:04,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:04,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:04,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446138633] [2024-10-31 22:09:04,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:04,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:04,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:04,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:04,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:04,285 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 646 [2024-10-31 22:09:04,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 598 transitions, 1206 flow. Second operand has 3 states, 3 states have (on average 611.0) internal successors, (1833), 3 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:04,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:04,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 646 [2024-10-31 22:09:04,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:04,808 INFO L124 PetriNetUnfolderBase]: 93/1474 cut-off events. [2024-10-31 22:09:04,808 INFO L125 PetriNetUnfolderBase]: For 9/21 co-relation queries the response was YES. [2024-10-31 22:09:04,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1582 conditions, 1474 events. 93/1474 cut-off events. For 9/21 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8993 event pairs, 32 based on Foata normal form. 0/1224 useless extension candidates. Maximal degree in co-relation 1505. Up to 91 conditions per place. [2024-10-31 22:09:04,842 INFO L140 encePairwiseOnDemand]: 640/646 looper letters, 16 selfloop transitions, 1 changer transitions 0/593 dead transitions. [2024-10-31 22:09:04,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 593 transitions, 1230 flow [2024-10-31 22:09:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:04,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1852 transitions. [2024-10-31 22:09:04,847 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.95562435500516 [2024-10-31 22:09:04,847 INFO L175 Difference]: Start difference. First operand has 585 places, 598 transitions, 1206 flow. Second operand 3 states and 1852 transitions. [2024-10-31 22:09:04,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 593 transitions, 1230 flow [2024-10-31 22:09:04,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 593 transitions, 1226 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:04,857 INFO L231 Difference]: Finished difference. Result has 580 places, 593 transitions, 1194 flow [2024-10-31 22:09:04,858 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1192, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=593, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=592, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1194, PETRI_PLACES=580, PETRI_TRANSITIONS=593} [2024-10-31 22:09:04,859 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -21 predicate places. [2024-10-31 22:09:04,859 INFO L471 AbstractCegarLoop]: Abstraction has has 580 places, 593 transitions, 1194 flow [2024-10-31 22:09:04,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 611.0) internal successors, (1833), 3 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:04,861 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:04,861 INFO L204 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] [2024-10-31 22:09:04,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:09:04,862 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:04,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:04,863 INFO L85 PathProgramCache]: Analyzing trace with hash -2002101340, now seen corresponding path program 1 times [2024-10-31 22:09:04,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:04,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537811971] [2024-10-31 22:09:04,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:04,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:04,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:04,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:04,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537811971] [2024-10-31 22:09:04,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537811971] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:04,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:04,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:04,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868982060] [2024-10-31 22:09:04,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:04,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:04,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:04,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:04,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:05,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 646 [2024-10-31 22:09:05,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 593 transitions, 1194 flow. Second operand has 3 states, 3 states have (on average 616.3333333333334) internal successors, (1849), 3 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:05,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:05,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 646 [2024-10-31 22:09:05,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:05,327 INFO L124 PetriNetUnfolderBase]: 51/1070 cut-off events. [2024-10-31 22:09:05,327 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2024-10-31 22:09:05,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1120 conditions, 1070 events. 51/1070 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5094 event pairs, 12 based on Foata normal form. 0/893 useless extension candidates. Maximal degree in co-relation 1043. Up to 38 conditions per place. [2024-10-31 22:09:05,354 INFO L140 encePairwiseOnDemand]: 643/646 looper letters, 13 selfloop transitions, 2 changer transitions 0/592 dead transitions. [2024-10-31 22:09:05,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 592 transitions, 1222 flow [2024-10-31 22:09:05,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:05,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:05,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1861 transitions. [2024-10-31 22:09:05,360 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9602683178534571 [2024-10-31 22:09:05,360 INFO L175 Difference]: Start difference. First operand has 580 places, 593 transitions, 1194 flow. Second operand 3 states and 1861 transitions. [2024-10-31 22:09:05,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 592 transitions, 1222 flow [2024-10-31 22:09:05,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 592 transitions, 1221 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:09:05,372 INFO L231 Difference]: Finished difference. Result has 580 places, 592 transitions, 1195 flow [2024-10-31 22:09:05,373 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1191, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=592, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=590, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1195, PETRI_PLACES=580, PETRI_TRANSITIONS=592} [2024-10-31 22:09:05,374 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -21 predicate places. [2024-10-31 22:09:05,374 INFO L471 AbstractCegarLoop]: Abstraction has has 580 places, 592 transitions, 1195 flow [2024-10-31 22:09:05,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 616.3333333333334) internal successors, (1849), 3 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:05,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:05,376 INFO L204 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] [2024-10-31 22:09:05,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:09:05,377 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:05,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:05,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1406746314, now seen corresponding path program 1 times [2024-10-31 22:09:05,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:05,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799422155] [2024-10-31 22:09:05,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:05,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:06,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:06,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799422155] [2024-10-31 22:09:06,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799422155] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:06,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:06,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:09:06,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397474045] [2024-10-31 22:09:06,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:06,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:09:06,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:06,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:09:06,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:09:06,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 646 [2024-10-31 22:09:06,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 592 transitions, 1195 flow. Second operand has 6 states, 6 states have (on average 537.5) internal successors, (3225), 6 states have internal predecessors, (3225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:06,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:06,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 646 [2024-10-31 22:09:06,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:18,710 INFO L124 PetriNetUnfolderBase]: 12846/49114 cut-off events. [2024-10-31 22:09:18,714 INFO L125 PetriNetUnfolderBase]: For 899/901 co-relation queries the response was YES. [2024-10-31 22:09:19,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66597 conditions, 49114 events. 12846/49114 cut-off events. For 899/901 co-relation queries the response was YES. Maximal size of possible extension queue 1118. Compared 645200 event pairs, 10080 based on Foata normal form. 0/40933 useless extension candidates. Maximal degree in co-relation 66521. Up to 17156 conditions per place. [2024-10-31 22:09:19,438 INFO L140 encePairwiseOnDemand]: 628/646 looper letters, 78 selfloop transitions, 15 changer transitions 0/589 dead transitions. [2024-10-31 22:09:19,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 589 transitions, 1375 flow [2024-10-31 22:09:19,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:09:19,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:09:19,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3312 transitions. [2024-10-31 22:09:19,445 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8544891640866873 [2024-10-31 22:09:19,445 INFO L175 Difference]: Start difference. First operand has 580 places, 592 transitions, 1195 flow. Second operand 6 states and 3312 transitions. [2024-10-31 22:09:19,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 589 transitions, 1375 flow [2024-10-31 22:09:19,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 589 transitions, 1371 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:19,456 INFO L231 Difference]: Finished difference. Result has 580 places, 589 transitions, 1215 flow [2024-10-31 22:09:19,457 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1185, PETRI_DIFFERENCE_MINUEND_PLACES=575, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=574, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1215, PETRI_PLACES=580, PETRI_TRANSITIONS=589} [2024-10-31 22:09:19,458 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -21 predicate places. [2024-10-31 22:09:19,459 INFO L471 AbstractCegarLoop]: Abstraction has has 580 places, 589 transitions, 1215 flow [2024-10-31 22:09:19,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 537.5) internal successors, (3225), 6 states have internal predecessors, (3225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:19,461 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:19,461 INFO L204 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] [2024-10-31 22:09:19,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:09:19,462 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:19,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:19,462 INFO L85 PathProgramCache]: Analyzing trace with hash 824715001, now seen corresponding path program 1 times [2024-10-31 22:09:19,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:19,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913720960] [2024-10-31 22:09:19,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:19,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:19,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:19,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913720960] [2024-10-31 22:09:19,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913720960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:19,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:19,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:19,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839613253] [2024-10-31 22:09:19,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:19,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:19,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:19,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:19,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:19,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 646 [2024-10-31 22:09:19,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 589 transitions, 1215 flow. Second operand has 3 states, 3 states have (on average 611.0) internal successors, (1833), 3 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:19,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:19,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 646 [2024-10-31 22:09:19,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:20,317 INFO L124 PetriNetUnfolderBase]: 184/2390 cut-off events. [2024-10-31 22:09:20,317 INFO L125 PetriNetUnfolderBase]: For 14/18 co-relation queries the response was YES. [2024-10-31 22:09:20,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2605 conditions, 2390 events. 184/2390 cut-off events. For 14/18 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 18779 event pairs, 64 based on Foata normal form. 0/1974 useless extension candidates. Maximal degree in co-relation 2557. Up to 164 conditions per place. [2024-10-31 22:09:20,379 INFO L140 encePairwiseOnDemand]: 640/646 looper letters, 16 selfloop transitions, 1 changer transitions 0/584 dead transitions. [2024-10-31 22:09:20,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 577 places, 584 transitions, 1239 flow [2024-10-31 22:09:20,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:20,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:20,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1852 transitions. [2024-10-31 22:09:20,384 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.95562435500516 [2024-10-31 22:09:20,384 INFO L175 Difference]: Start difference. First operand has 580 places, 589 transitions, 1215 flow. Second operand 3 states and 1852 transitions. [2024-10-31 22:09:20,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 577 places, 584 transitions, 1239 flow [2024-10-31 22:09:20,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 584 transitions, 1209 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:09:20,394 INFO L231 Difference]: Finished difference. Result has 572 places, 584 transitions, 1177 flow [2024-10-31 22:09:20,396 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=583, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1177, PETRI_PLACES=572, PETRI_TRANSITIONS=584} [2024-10-31 22:09:20,398 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -29 predicate places. [2024-10-31 22:09:20,398 INFO L471 AbstractCegarLoop]: Abstraction has has 572 places, 584 transitions, 1177 flow [2024-10-31 22:09:20,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 611.0) internal successors, (1833), 3 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:20,400 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:20,400 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:20,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:09:20,401 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:20,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:20,402 INFO L85 PathProgramCache]: Analyzing trace with hash 376343607, now seen corresponding path program 1 times [2024-10-31 22:09:20,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:20,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828546426] [2024-10-31 22:09:20,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:20,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:20,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:20,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828546426] [2024-10-31 22:09:20,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828546426] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:20,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:20,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:20,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241175474] [2024-10-31 22:09:20,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:20,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:20,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:20,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:20,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:20,508 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 646 [2024-10-31 22:09:20,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 584 transitions, 1177 flow. Second operand has 3 states, 3 states have (on average 616.3333333333334) internal successors, (1849), 3 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:20,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:20,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 646 [2024-10-31 22:09:20,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:20,970 INFO L124 PetriNetUnfolderBase]: 89/1741 cut-off events. [2024-10-31 22:09:20,970 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2024-10-31 22:09:20,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1810 conditions, 1741 events. 89/1741 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 10042 event pairs, 20 based on Foata normal form. 0/1438 useless extension candidates. Maximal degree in co-relation 1733. Up to 50 conditions per place. [2024-10-31 22:09:21,003 INFO L140 encePairwiseOnDemand]: 643/646 looper letters, 13 selfloop transitions, 2 changer transitions 0/583 dead transitions. [2024-10-31 22:09:21,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 583 transitions, 1205 flow [2024-10-31 22:09:21,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:21,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1861 transitions. [2024-10-31 22:09:21,008 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9602683178534571 [2024-10-31 22:09:21,008 INFO L175 Difference]: Start difference. First operand has 572 places, 584 transitions, 1177 flow. Second operand 3 states and 1861 transitions. [2024-10-31 22:09:21,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 583 transitions, 1205 flow [2024-10-31 22:09:21,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 583 transitions, 1204 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:09:21,019 INFO L231 Difference]: Finished difference. Result has 572 places, 583 transitions, 1178 flow [2024-10-31 22:09:21,020 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1174, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1178, PETRI_PLACES=572, PETRI_TRANSITIONS=583} [2024-10-31 22:09:21,020 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -29 predicate places. [2024-10-31 22:09:21,021 INFO L471 AbstractCegarLoop]: Abstraction has has 572 places, 583 transitions, 1178 flow [2024-10-31 22:09:21,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 616.3333333333334) internal successors, (1849), 3 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:21,023 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:21,023 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:21,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:09:21,024 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:21,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:21,025 INFO L85 PathProgramCache]: Analyzing trace with hash -376228088, now seen corresponding path program 1 times [2024-10-31 22:09:21,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:21,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489285942] [2024-10-31 22:09:21,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:21,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:21,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:21,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489285942] [2024-10-31 22:09:21,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489285942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:21,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:21,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:21,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774775645] [2024-10-31 22:09:21,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:21,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:21,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:21,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:21,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:21,111 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 646 [2024-10-31 22:09:21,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 583 transitions, 1178 flow. Second operand has 3 states, 3 states have (on average 611.0) internal successors, (1833), 3 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:21,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:21,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 646 [2024-10-31 22:09:21,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:21,660 INFO L124 PetriNetUnfolderBase]: 167/1866 cut-off events. [2024-10-31 22:09:21,660 INFO L125 PetriNetUnfolderBase]: For 33/35 co-relation queries the response was YES. [2024-10-31 22:09:21,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2050 conditions, 1866 events. 167/1866 cut-off events. For 33/35 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 12324 event pairs, 64 based on Foata normal form. 0/1580 useless extension candidates. Maximal degree in co-relation 1973. Up to 169 conditions per place. [2024-10-31 22:09:21,711 INFO L140 encePairwiseOnDemand]: 640/646 looper letters, 16 selfloop transitions, 1 changer transitions 0/578 dead transitions. [2024-10-31 22:09:21,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 578 transitions, 1202 flow [2024-10-31 22:09:21,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:21,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1852 transitions. [2024-10-31 22:09:21,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.95562435500516 [2024-10-31 22:09:21,716 INFO L175 Difference]: Start difference. First operand has 572 places, 583 transitions, 1178 flow. Second operand 3 states and 1852 transitions. [2024-10-31 22:09:21,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 578 transitions, 1202 flow [2024-10-31 22:09:21,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 578 transitions, 1198 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:21,728 INFO L231 Difference]: Finished difference. Result has 567 places, 578 transitions, 1166 flow [2024-10-31 22:09:21,729 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1164, PETRI_DIFFERENCE_MINUEND_PLACES=565, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=578, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1166, PETRI_PLACES=567, PETRI_TRANSITIONS=578} [2024-10-31 22:09:21,732 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -34 predicate places. [2024-10-31 22:09:21,732 INFO L471 AbstractCegarLoop]: Abstraction has has 567 places, 578 transitions, 1166 flow [2024-10-31 22:09:21,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 611.0) internal successors, (1833), 3 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:21,734 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:21,734 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:21,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:09:21,734 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:21,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:21,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1328575772, now seen corresponding path program 1 times [2024-10-31 22:09:21,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:21,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173446013] [2024-10-31 22:09:21,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:21,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:21,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:21,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173446013] [2024-10-31 22:09:21,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173446013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:21,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:21,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:21,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346902695] [2024-10-31 22:09:21,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:21,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:21,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:21,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:21,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:21,852 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 646 [2024-10-31 22:09:21,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 578 transitions, 1166 flow. Second operand has 3 states, 3 states have (on average 616.3333333333334) internal successors, (1849), 3 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:21,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:21,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 646 [2024-10-31 22:09:21,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:22,092 INFO L124 PetriNetUnfolderBase]: 49/829 cut-off events. [2024-10-31 22:09:22,092 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-10-31 22:09:22,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 891 conditions, 829 events. 49/829 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3187 event pairs, 20 based on Foata normal form. 0/718 useless extension candidates. Maximal degree in co-relation 814. Up to 50 conditions per place. [2024-10-31 22:09:22,114 INFO L140 encePairwiseOnDemand]: 643/646 looper letters, 13 selfloop transitions, 2 changer transitions 0/577 dead transitions. [2024-10-31 22:09:22,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 577 transitions, 1194 flow [2024-10-31 22:09:22,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:22,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1861 transitions. [2024-10-31 22:09:22,119 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9602683178534571 [2024-10-31 22:09:22,120 INFO L175 Difference]: Start difference. First operand has 567 places, 578 transitions, 1166 flow. Second operand 3 states and 1861 transitions. [2024-10-31 22:09:22,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 577 transitions, 1194 flow [2024-10-31 22:09:22,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 577 transitions, 1193 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:09:22,132 INFO L231 Difference]: Finished difference. Result has 567 places, 577 transitions, 1167 flow [2024-10-31 22:09:22,134 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1163, PETRI_DIFFERENCE_MINUEND_PLACES=565, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=575, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1167, PETRI_PLACES=567, PETRI_TRANSITIONS=577} [2024-10-31 22:09:22,135 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -34 predicate places. [2024-10-31 22:09:22,135 INFO L471 AbstractCegarLoop]: Abstraction has has 567 places, 577 transitions, 1167 flow [2024-10-31 22:09:22,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 616.3333333333334) internal successors, (1849), 3 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:22,137 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:22,138 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:22,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:09:22,138 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:22,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:22,139 INFO L85 PathProgramCache]: Analyzing trace with hash -233536924, now seen corresponding path program 1 times [2024-10-31 22:09:22,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:22,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005351583] [2024-10-31 22:09:22,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:22,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:22,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:22,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005351583] [2024-10-31 22:09:22,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005351583] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:22,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:22,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:22,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369965708] [2024-10-31 22:09:22,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:22,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:22,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:22,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:22,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:22,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 613 out of 646 [2024-10-31 22:09:22,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 577 transitions, 1167 flow. Second operand has 3 states, 3 states have (on average 614.3333333333334) internal successors, (1843), 3 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:22,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:22,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 613 of 646 [2024-10-31 22:09:22,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:22,752 INFO L124 PetriNetUnfolderBase]: 96/1554 cut-off events. [2024-10-31 22:09:22,753 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-31 22:09:22,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1652 conditions, 1554 events. 96/1554 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 9869 event pairs, 26 based on Foata normal form. 0/1320 useless extension candidates. Maximal degree in co-relation 1575. Up to 75 conditions per place. [2024-10-31 22:09:22,801 INFO L140 encePairwiseOnDemand]: 640/646 looper letters, 17 selfloop transitions, 2 changer transitions 0/577 dead transitions. [2024-10-31 22:09:22,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 577 transitions, 1207 flow [2024-10-31 22:09:22,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:22,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1862 transitions. [2024-10-31 22:09:22,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9607843137254902 [2024-10-31 22:09:22,808 INFO L175 Difference]: Start difference. First operand has 567 places, 577 transitions, 1167 flow. Second operand 3 states and 1862 transitions. [2024-10-31 22:09:22,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 577 transitions, 1207 flow [2024-10-31 22:09:22,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 577 transitions, 1203 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:22,827 INFO L231 Difference]: Finished difference. Result has 564 places, 575 transitions, 1169 flow [2024-10-31 22:09:22,828 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1155, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=571, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1169, PETRI_PLACES=564, PETRI_TRANSITIONS=575} [2024-10-31 22:09:22,829 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -37 predicate places. [2024-10-31 22:09:22,829 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 575 transitions, 1169 flow [2024-10-31 22:09:22,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 614.3333333333334) internal successors, (1843), 3 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:22,831 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:22,832 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:22,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:09:22,832 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:22,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:22,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1090637786, now seen corresponding path program 1 times [2024-10-31 22:09:22,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:22,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092111282] [2024-10-31 22:09:22,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:22,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:22,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:22,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092111282] [2024-10-31 22:09:22,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092111282] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:22,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:22,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:22,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69088923] [2024-10-31 22:09:22,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:22,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:22,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:22,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:22,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:22,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 613 out of 646 [2024-10-31 22:09:22,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 575 transitions, 1169 flow. Second operand has 3 states, 3 states have (on average 614.3333333333334) internal successors, (1843), 3 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:22,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:22,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 613 of 646 [2024-10-31 22:09:22,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:23,827 INFO L124 PetriNetUnfolderBase]: 165/2322 cut-off events. [2024-10-31 22:09:23,827 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:09:23,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2497 conditions, 2322 events. 165/2322 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 18233 event pairs, 50 based on Foata normal form. 0/1971 useless extension candidates. Maximal degree in co-relation 2420. Up to 123 conditions per place. [2024-10-31 22:09:23,891 INFO L140 encePairwiseOnDemand]: 640/646 looper letters, 17 selfloop transitions, 2 changer transitions 0/575 dead transitions. [2024-10-31 22:09:23,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 575 transitions, 1209 flow [2024-10-31 22:09:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:23,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:23,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1862 transitions. [2024-10-31 22:09:23,899 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9607843137254902 [2024-10-31 22:09:23,899 INFO L175 Difference]: Start difference. First operand has 564 places, 575 transitions, 1169 flow. Second operand 3 states and 1862 transitions. [2024-10-31 22:09:23,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 575 transitions, 1209 flow [2024-10-31 22:09:23,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 575 transitions, 1209 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:09:23,915 INFO L231 Difference]: Finished difference. Result has 563 places, 573 transitions, 1175 flow [2024-10-31 22:09:23,918 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=1161, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=571, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1175, PETRI_PLACES=563, PETRI_TRANSITIONS=573} [2024-10-31 22:09:23,918 INFO L277 CegarLoopForPetriNet]: 601 programPoint places, -38 predicate places. [2024-10-31 22:09:23,919 INFO L471 AbstractCegarLoop]: Abstraction has has 563 places, 573 transitions, 1175 flow [2024-10-31 22:09:23,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 614.3333333333334) internal successors, (1843), 3 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:23,921 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:23,921 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:23,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:09:23,922 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2024-10-31 22:09:23,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:23,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2109589298, now seen corresponding path program 1 times [2024-10-31 22:09:23,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:23,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922110403] [2024-10-31 22:09:23,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:23,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:24,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:24,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922110403] [2024-10-31 22:09:24,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922110403] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:24,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:24,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:24,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422048686] [2024-10-31 22:09:24,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:24,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:24,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:24,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:24,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:24,073 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 613 out of 646 [2024-10-31 22:09:24,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 573 transitions, 1175 flow. Second operand has 3 states, 3 states have (on average 614.6666666666666) internal successors, (1844), 3 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:24,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:24,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 613 of 646 [2024-10-31 22:09:24,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand