./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd --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 362ca5c35cce683744d8d619a442f154ce469608d45ae43ff282ddf886694959 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:50:14,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:50:14,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 12:50:14,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:50:14,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:50:14,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:50:14,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:50:14,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:50:14,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:50:14,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:50:14,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:50:14,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:50:14,606 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:50:14,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:50:14,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:50:14,606 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:50:14,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:50:14,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:50:14,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:50:14,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:50:14,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:50:14,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:50:14,608 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 12:50:14,608 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:50:14,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:50:14,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:50:14,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:50:14,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:50:14,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:50:14,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:50:14,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:50:14,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:50:14,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:50:14,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:50:14,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:50:14,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:50:14,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:50:14,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:50:14,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:50:14,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:50:14,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:50:14,610 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd 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 -> 362ca5c35cce683744d8d619a442f154ce469608d45ae43ff282ddf886694959 [2024-11-13 12:50:14,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:50:14,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:50:14,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:50:14,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:50:14,973 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:50:14,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c Unable to find full path for "g++" [2024-11-13 12:50:16,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:50:17,214 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:50:17,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c [2024-11-13 12:50:17,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd/data/52dbd1f4e/40b0ce0689e74ff4a4afb16d1ca9ba2c/FLAGe2eef39ab [2024-11-13 12:50:17,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd/data/52dbd1f4e/40b0ce0689e74ff4a4afb16d1ca9ba2c [2024-11-13 12:50:17,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:50:17,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:50:17,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:50:17,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:50:17,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:50:17,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1827e719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17, skipping insertion in model container [2024-11-13 12:50:17,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:50:17,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:50:17,505 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:50:17,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:50:17,573 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:50:17,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17 WrapperNode [2024-11-13 12:50:17,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:50:17,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:50:17,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:50:17,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:50:17,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,654 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 840 [2024-11-13 12:50:17,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:50:17,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:50:17,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:50:17,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:50:17,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:50:17,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:50:17,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:50:17,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:50:17,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17" (1/1) ... [2024-11-13 12:50:17,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:50:17,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:17,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:17,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da778de-8a5c-4ca5-ae80-de04dd56235f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:50:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:50:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 12:50:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 12:50:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 12:50:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 12:50:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 12:50:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 12:50:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:50:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 12:50:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:50:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:50:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:50:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 12:50:17,807 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 12:50:18,026 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:50:18,029 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:50:19,695 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:50:19,695 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:50:19,769 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:50:19,773 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 12:50:19,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:50:19 BoogieIcfgContainer [2024-11-13 12:50:19,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:50:19,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:50:19,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:50:19,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:50:19,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:50:17" (1/3) ... [2024-11-13 12:50:19,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c498dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:50:19, skipping insertion in model container [2024-11-13 12:50:19,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:17" (2/3) ... [2024-11-13 12:50:19,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c498dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:50:19, skipping insertion in model container [2024-11-13 12:50:19,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:50:19" (3/3) ... [2024-11-13 12:50:19,788 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-trans.wvr.c [2024-11-13 12:50:19,817 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:50:19,821 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-name-comparator-trans.wvr.c that has 4 procedures, 1049 locations, 1 initial locations, 4 loop locations, and 149 error locations. [2024-11-13 12:50:19,821 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 12:50:20,168 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-13 12:50:20,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1058 places, 1106 transitions, 2233 flow [2024-11-13 12:50:21,519 INFO L124 PetriNetUnfolderBase]: 58/1103 cut-off events. [2024-11-13 12:50:21,524 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 12:50:21,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 1103 events. 58/1103 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3819 event pairs, 0 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 849. Up to 2 conditions per place. [2024-11-13 12:50:21,577 INFO L82 GeneralOperation]: Start removeDead. Operand has 1058 places, 1106 transitions, 2233 flow [2024-11-13 12:50:21,621 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1036 places, 1082 transitions, 2182 flow [2024-11-13 12:50:21,636 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:50:21,654 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;@49b21449, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:50:21,656 INFO L334 AbstractCegarLoop]: Starting to check reachability of 281 error locations. [2024-11-13 12:50:21,662 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 12:50:21,663 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-11-13 12:50:21,663 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 12:50:21,663 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:21,664 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] [2024-11-13 12:50:21,664 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:21,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:21,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1241912617, now seen corresponding path program 1 times [2024-11-13 12:50:21,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:21,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425571660] [2024-11-13 12:50:21,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:21,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:21,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:21,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:21,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425571660] [2024-11-13 12:50:21,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425571660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:21,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:21,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:21,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182019442] [2024-11-13 12:50:21,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:21,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:21,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:21,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:21,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:22,110 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-13 12:50:22,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1036 places, 1082 transitions, 2182 flow. Second operand has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:22,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:22,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-13 12:50:22,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:24,755 INFO L124 PetriNetUnfolderBase]: 227/4391 cut-off events. [2024-11-13 12:50:24,756 INFO L125 PetriNetUnfolderBase]: For 59/66 co-relation queries the response was YES. [2024-11-13 12:50:24,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4546 conditions, 4391 events. 227/4391 cut-off events. For 59/66 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 33582 event pairs, 45 based on Foata normal form. 208/3683 useless extension candidates. Maximal degree in co-relation 3736. Up to 110 conditions per place. [2024-11-13 12:50:25,025 INFO L140 encePairwiseOnDemand]: 1085/1106 looper letters, 19 selfloop transitions, 2 changer transitions 2/1063 dead transitions. [2024-11-13 12:50:25,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1037 places, 1063 transitions, 2186 flow [2024-11-13 12:50:25,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:25,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:25,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-13 12:50:25,068 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9731766124171187 [2024-11-13 12:50:25,072 INFO L175 Difference]: Start difference. First operand has 1036 places, 1082 transitions, 2182 flow. Second operand 3 states and 3229 transitions. [2024-11-13 12:50:25,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1037 places, 1063 transitions, 2186 flow [2024-11-13 12:50:25,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1031 places, 1063 transitions, 2174 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-13 12:50:25,121 INFO L231 Difference]: Finished difference. Result has 1031 places, 1061 transitions, 2132 flow [2024-11-13 12:50:25,126 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2132, PETRI_DIFFERENCE_MINUEND_PLACES=1029, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1063, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1061, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2132, PETRI_PLACES=1031, PETRI_TRANSITIONS=1061} [2024-11-13 12:50:25,130 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -5 predicate places. [2024-11-13 12:50:25,132 INFO L471 AbstractCegarLoop]: Abstraction has has 1031 places, 1061 transitions, 2132 flow [2024-11-13 12:50:25,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:25,136 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:25,136 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] [2024-11-13 12:50:25,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:50:25,138 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:25,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:25,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1196612263, now seen corresponding path program 1 times [2024-11-13 12:50:25,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:25,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814645571] [2024-11-13 12:50:25,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:25,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:25,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:25,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814645571] [2024-11-13 12:50:25,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814645571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:25,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:25,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:25,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387312231] [2024-11-13 12:50:25,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:25,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:25,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:25,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:25,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:25,374 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-13 12:50:25,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1031 places, 1061 transitions, 2132 flow. Second operand has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:25,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:25,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-13 12:50:25,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:30,142 INFO L124 PetriNetUnfolderBase]: 613/12175 cut-off events. [2024-11-13 12:50:30,142 INFO L125 PetriNetUnfolderBase]: For 6/24 co-relation queries the response was YES. [2024-11-13 12:50:30,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12409 conditions, 12175 events. 613/12175 cut-off events. For 6/24 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 120276 event pairs, 95 based on Foata normal form. 0/9562 useless extension candidates. Maximal degree in co-relation 12368. Up to 185 conditions per place. [2024-11-13 12:50:30,482 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 19 selfloop transitions, 2 changer transitions 0/1060 dead transitions. [2024-11-13 12:50:30,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1030 places, 1060 transitions, 2172 flow [2024-11-13 12:50:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3211 transitions. [2024-11-13 12:50:30,491 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9677516576250753 [2024-11-13 12:50:30,492 INFO L175 Difference]: Start difference. First operand has 1031 places, 1061 transitions, 2132 flow. Second operand 3 states and 3211 transitions. [2024-11-13 12:50:30,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1030 places, 1060 transitions, 2172 flow [2024-11-13 12:50:30,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1028 places, 1060 transitions, 2168 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:30,515 INFO L231 Difference]: Finished difference. Result has 1028 places, 1060 transitions, 2130 flow [2024-11-13 12:50:30,517 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2126, PETRI_DIFFERENCE_MINUEND_PLACES=1026, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1058, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2130, PETRI_PLACES=1028, PETRI_TRANSITIONS=1060} [2024-11-13 12:50:30,518 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -8 predicate places. [2024-11-13 12:50:30,518 INFO L471 AbstractCegarLoop]: Abstraction has has 1028 places, 1060 transitions, 2130 flow [2024-11-13 12:50:30,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:30,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:30,521 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] [2024-11-13 12:50:30,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:50:30,522 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:30,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:30,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2136170550, now seen corresponding path program 1 times [2024-11-13 12:50:30,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:30,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109796183] [2024-11-13 12:50:30,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:30,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:30,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:30,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:30,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109796183] [2024-11-13 12:50:30,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109796183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:30,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:30,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:30,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651868209] [2024-11-13 12:50:30,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:30,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:30,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:30,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:30,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:30,919 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-13 12:50:30,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1028 places, 1060 transitions, 2130 flow. Second operand has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:30,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:30,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-13 12:50:30,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:32,419 INFO L124 PetriNetUnfolderBase]: 241/3573 cut-off events. [2024-11-13 12:50:32,420 INFO L125 PetriNetUnfolderBase]: For 42/75 co-relation queries the response was YES. [2024-11-13 12:50:32,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3772 conditions, 3573 events. 241/3573 cut-off events. For 42/75 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 27260 event pairs, 95 based on Foata normal form. 0/2832 useless extension candidates. Maximal degree in co-relation 3723. Up to 185 conditions per place. [2024-11-13 12:50:32,521 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 19 selfloop transitions, 2 changer transitions 0/1059 dead transitions. [2024-11-13 12:50:32,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1029 places, 1059 transitions, 2170 flow [2024-11-13 12:50:32,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:32,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3211 transitions. [2024-11-13 12:50:32,528 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9677516576250753 [2024-11-13 12:50:32,528 INFO L175 Difference]: Start difference. First operand has 1028 places, 1060 transitions, 2130 flow. Second operand 3 states and 3211 transitions. [2024-11-13 12:50:32,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1029 places, 1059 transitions, 2170 flow [2024-11-13 12:50:32,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1027 places, 1059 transitions, 2166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:32,545 INFO L231 Difference]: Finished difference. Result has 1027 places, 1059 transitions, 2128 flow [2024-11-13 12:50:32,547 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2124, PETRI_DIFFERENCE_MINUEND_PLACES=1025, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1059, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1057, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2128, PETRI_PLACES=1027, PETRI_TRANSITIONS=1059} [2024-11-13 12:50:32,547 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -9 predicate places. [2024-11-13 12:50:32,548 INFO L471 AbstractCegarLoop]: Abstraction has has 1027 places, 1059 transitions, 2128 flow [2024-11-13 12:50:32,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:32,550 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:32,550 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] [2024-11-13 12:50:32,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:50:32,550 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:32,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:32,551 INFO L85 PathProgramCache]: Analyzing trace with hash -879323544, now seen corresponding path program 1 times [2024-11-13 12:50:32,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:32,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327527286] [2024-11-13 12:50:32,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:32,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:32,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:32,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327527286] [2024-11-13 12:50:32,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327527286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:32,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:32,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:32,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338231213] [2024-11-13 12:50:32,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:32,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:32,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:32,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:32,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:32,673 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1064 out of 1106 [2024-11-13 12:50:32,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1027 places, 1059 transitions, 2128 flow. Second operand has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:32,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:32,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1064 of 1106 [2024-11-13 12:50:32,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:35,071 INFO L124 PetriNetUnfolderBase]: 246/5498 cut-off events. [2024-11-13 12:50:35,071 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-13 12:50:35,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5574 conditions, 5498 events. 246/5498 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 43636 event pairs, 16 based on Foata normal form. 0/4346 useless extension candidates. Maximal degree in co-relation 5517. Up to 51 conditions per place. [2024-11-13 12:50:35,261 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 18 selfloop transitions, 2 changer transitions 0/1058 dead transitions. [2024-11-13 12:50:35,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1028 places, 1058 transitions, 2166 flow [2024-11-13 12:50:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:35,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-13 12:50:35,269 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9683544303797469 [2024-11-13 12:50:35,270 INFO L175 Difference]: Start difference. First operand has 1027 places, 1059 transitions, 2128 flow. Second operand 3 states and 3213 transitions. [2024-11-13 12:50:35,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1028 places, 1058 transitions, 2166 flow [2024-11-13 12:50:35,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1026 places, 1058 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:35,286 INFO L231 Difference]: Finished difference. Result has 1026 places, 1058 transitions, 2126 flow [2024-11-13 12:50:35,288 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2122, PETRI_DIFFERENCE_MINUEND_PLACES=1024, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1058, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1056, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2126, PETRI_PLACES=1026, PETRI_TRANSITIONS=1058} [2024-11-13 12:50:35,289 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -10 predicate places. [2024-11-13 12:50:35,289 INFO L471 AbstractCegarLoop]: Abstraction has has 1026 places, 1058 transitions, 2126 flow [2024-11-13 12:50:35,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:35,291 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:35,292 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] [2024-11-13 12:50:35,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:50:35,292 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:35,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:35,292 INFO L85 PathProgramCache]: Analyzing trace with hash 665107125, now seen corresponding path program 1 times [2024-11-13 12:50:35,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:35,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695990387] [2024-11-13 12:50:35,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:35,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:35,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:35,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:35,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695990387] [2024-11-13 12:50:35,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695990387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:35,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:35,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:35,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570170324] [2024-11-13 12:50:35,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:35,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:35,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:35,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:35,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:35,448 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1106 [2024-11-13 12:50:35,452 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1058 transitions, 2126 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:35,452 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:35,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1106 [2024-11-13 12:50:35,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:36,160 INFO L124 PetriNetUnfolderBase]: 74/1607 cut-off events. [2024-11-13 12:50:36,160 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 12:50:36,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1668 conditions, 1607 events. 74/1607 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8190 event pairs, 12 based on Foata normal form. 0/1294 useless extension candidates. Maximal degree in co-relation 1603. Up to 40 conditions per place. [2024-11-13 12:50:36,197 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 15 selfloop transitions, 2 changer transitions 0/1057 dead transitions. [2024-11-13 12:50:36,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1027 places, 1057 transitions, 2158 flow [2024-11-13 12:50:36,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:36,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3219 transitions. [2024-11-13 12:50:36,204 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9701627486437613 [2024-11-13 12:50:36,204 INFO L175 Difference]: Start difference. First operand has 1026 places, 1058 transitions, 2126 flow. Second operand 3 states and 3219 transitions. [2024-11-13 12:50:36,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1027 places, 1057 transitions, 2158 flow [2024-11-13 12:50:36,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1025 places, 1057 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:36,222 INFO L231 Difference]: Finished difference. Result has 1025 places, 1057 transitions, 2124 flow [2024-11-13 12:50:36,223 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2120, PETRI_DIFFERENCE_MINUEND_PLACES=1023, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1057, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1055, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2124, PETRI_PLACES=1025, PETRI_TRANSITIONS=1057} [2024-11-13 12:50:36,224 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -11 predicate places. [2024-11-13 12:50:36,225 INFO L471 AbstractCegarLoop]: Abstraction has has 1025 places, 1057 transitions, 2124 flow [2024-11-13 12:50:36,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:36,227 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:36,227 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] [2024-11-13 12:50:36,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 12:50:36,227 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:36,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:36,228 INFO L85 PathProgramCache]: Analyzing trace with hash 919456527, now seen corresponding path program 1 times [2024-11-13 12:50:36,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:36,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868167214] [2024-11-13 12:50:36,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:36,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:36,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:36,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:36,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868167214] [2024-11-13 12:50:36,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868167214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:36,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:36,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:36,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295002584] [2024-11-13 12:50:36,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:36,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:36,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:36,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:36,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:36,394 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 1106 [2024-11-13 12:50:36,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1025 places, 1057 transitions, 2124 flow. Second operand has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:36,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:36,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 1106 [2024-11-13 12:50:36,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:38,118 INFO L124 PetriNetUnfolderBase]: 168/3831 cut-off events. [2024-11-13 12:50:38,118 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-13 12:50:38,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3885 conditions, 3831 events. 168/3831 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 25916 event pairs, 10 based on Foata normal form. 0/3042 useless extension candidates. Maximal degree in co-relation 3812. Up to 35 conditions per place. [2024-11-13 12:50:38,193 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 14 selfloop transitions, 2 changer transitions 0/1056 dead transitions. [2024-11-13 12:50:38,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1026 places, 1056 transitions, 2154 flow [2024-11-13 12:50:38,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:38,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:38,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3221 transitions. [2024-11-13 12:50:38,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9707655213984328 [2024-11-13 12:50:38,197 INFO L175 Difference]: Start difference. First operand has 1025 places, 1057 transitions, 2124 flow. Second operand 3 states and 3221 transitions. [2024-11-13 12:50:38,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1026 places, 1056 transitions, 2154 flow [2024-11-13 12:50:38,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1024 places, 1056 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:38,209 INFO L231 Difference]: Finished difference. Result has 1024 places, 1056 transitions, 2122 flow [2024-11-13 12:50:38,211 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2118, PETRI_DIFFERENCE_MINUEND_PLACES=1022, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1054, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2122, PETRI_PLACES=1024, PETRI_TRANSITIONS=1056} [2024-11-13 12:50:38,215 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -12 predicate places. [2024-11-13 12:50:38,215 INFO L471 AbstractCegarLoop]: Abstraction has has 1024 places, 1056 transitions, 2122 flow [2024-11-13 12:50:38,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:38,217 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:38,217 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] [2024-11-13 12:50:38,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 12:50:38,217 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:38,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:38,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1712684945, now seen corresponding path program 1 times [2024-11-13 12:50:38,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:38,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391895840] [2024-11-13 12:50:38,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:38,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:38,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:38,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391895840] [2024-11-13 12:50:38,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391895840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:38,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:38,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:38,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294578910] [2024-11-13 12:50:38,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:38,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:38,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:38,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:38,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:38,379 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1061 out of 1106 [2024-11-13 12:50:38,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1024 places, 1056 transitions, 2122 flow. Second operand has 3 states, 3 states have (on average 1062.3333333333333) internal successors, (3187), 3 states have internal predecessors, (3187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:38,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:38,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1061 of 1106 [2024-11-13 12:50:38,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:42,109 INFO L124 PetriNetUnfolderBase]: 350/7715 cut-off events. [2024-11-13 12:50:42,109 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-13 12:50:42,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7818 conditions, 7715 events. 350/7715 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 68253 event pairs, 24 based on Foata normal form. 0/6092 useless extension candidates. Maximal degree in co-relation 7737. Up to 70 conditions per place. [2024-11-13 12:50:42,434 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 21 selfloop transitions, 2 changer transitions 0/1055 dead transitions. [2024-11-13 12:50:42,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1025 places, 1055 transitions, 2166 flow [2024-11-13 12:50:42,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:42,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3207 transitions. [2024-11-13 12:50:42,439 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9665461121157324 [2024-11-13 12:50:42,439 INFO L175 Difference]: Start difference. First operand has 1024 places, 1056 transitions, 2122 flow. Second operand 3 states and 3207 transitions. [2024-11-13 12:50:42,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1025 places, 1055 transitions, 2166 flow [2024-11-13 12:50:42,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1023 places, 1055 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:42,458 INFO L231 Difference]: Finished difference. Result has 1023 places, 1055 transitions, 2120 flow [2024-11-13 12:50:42,460 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=1021, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1055, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1053, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2120, PETRI_PLACES=1023, PETRI_TRANSITIONS=1055} [2024-11-13 12:50:42,460 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -13 predicate places. [2024-11-13 12:50:42,461 INFO L471 AbstractCegarLoop]: Abstraction has has 1023 places, 1055 transitions, 2120 flow [2024-11-13 12:50:42,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1062.3333333333333) internal successors, (3187), 3 states have internal predecessors, (3187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:42,463 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:42,463 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] [2024-11-13 12:50:42,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 12:50:42,463 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:42,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:42,464 INFO L85 PathProgramCache]: Analyzing trace with hash 610016643, now seen corresponding path program 1 times [2024-11-13 12:50:42,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:42,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210929086] [2024-11-13 12:50:42,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:42,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:42,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:42,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:42,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210929086] [2024-11-13 12:50:42,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210929086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:42,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:42,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:42,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529208710] [2024-11-13 12:50:42,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:42,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:42,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:42,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:42,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:42,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1064 out of 1106 [2024-11-13 12:50:42,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1023 places, 1055 transitions, 2120 flow. Second operand has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:42,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:42,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1064 of 1106 [2024-11-13 12:50:42,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:44,008 INFO L124 PetriNetUnfolderBase]: 150/3278 cut-off events. [2024-11-13 12:50:44,008 INFO L125 PetriNetUnfolderBase]: For 9/33 co-relation queries the response was YES. [2024-11-13 12:50:44,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3346 conditions, 3278 events. 150/3278 cut-off events. For 9/33 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 21542 event pairs, 16 based on Foata normal form. 0/2607 useless extension candidates. Maximal degree in co-relation 3257. Up to 51 conditions per place. [2024-11-13 12:50:44,154 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 18 selfloop transitions, 2 changer transitions 0/1054 dead transitions. [2024-11-13 12:50:44,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1024 places, 1054 transitions, 2158 flow [2024-11-13 12:50:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:44,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-13 12:50:44,159 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9683544303797469 [2024-11-13 12:50:44,159 INFO L175 Difference]: Start difference. First operand has 1023 places, 1055 transitions, 2120 flow. Second operand 3 states and 3213 transitions. [2024-11-13 12:50:44,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1024 places, 1054 transitions, 2158 flow [2024-11-13 12:50:44,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1022 places, 1054 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:44,175 INFO L231 Difference]: Finished difference. Result has 1022 places, 1054 transitions, 2118 flow [2024-11-13 12:50:44,177 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2114, PETRI_DIFFERENCE_MINUEND_PLACES=1020, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1052, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2118, PETRI_PLACES=1022, PETRI_TRANSITIONS=1054} [2024-11-13 12:50:44,177 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -14 predicate places. [2024-11-13 12:50:44,178 INFO L471 AbstractCegarLoop]: Abstraction has has 1022 places, 1054 transitions, 2118 flow [2024-11-13 12:50:44,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:44,180 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:44,180 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] [2024-11-13 12:50:44,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 12:50:44,180 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:44,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:44,181 INFO L85 PathProgramCache]: Analyzing trace with hash 513734379, now seen corresponding path program 1 times [2024-11-13 12:50:44,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:44,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583340347] [2024-11-13 12:50:44,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:44,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:44,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:44,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583340347] [2024-11-13 12:50:44,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583340347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:44,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:44,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:44,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572672397] [2024-11-13 12:50:44,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:44,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:44,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:44,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:44,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:44,299 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1106 [2024-11-13 12:50:44,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 1054 transitions, 2118 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:44,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:44,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1106 [2024-11-13 12:50:44,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:45,043 INFO L124 PetriNetUnfolderBase]: 74/1603 cut-off events. [2024-11-13 12:50:45,043 INFO L125 PetriNetUnfolderBase]: For 8/14 co-relation queries the response was YES. [2024-11-13 12:50:45,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1658 conditions, 1603 events. 74/1603 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 7775 event pairs, 12 based on Foata normal form. 0/1291 useless extension candidates. Maximal degree in co-relation 1561. Up to 40 conditions per place. [2024-11-13 12:50:45,123 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 15 selfloop transitions, 2 changer transitions 0/1053 dead transitions. [2024-11-13 12:50:45,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1053 transitions, 2150 flow [2024-11-13 12:50:45,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:45,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3219 transitions. [2024-11-13 12:50:45,131 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9701627486437613 [2024-11-13 12:50:45,132 INFO L175 Difference]: Start difference. First operand has 1022 places, 1054 transitions, 2118 flow. Second operand 3 states and 3219 transitions. [2024-11-13 12:50:45,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1053 transitions, 2150 flow [2024-11-13 12:50:45,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1021 places, 1053 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:45,152 INFO L231 Difference]: Finished difference. Result has 1021 places, 1053 transitions, 2116 flow [2024-11-13 12:50:45,154 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2112, PETRI_DIFFERENCE_MINUEND_PLACES=1019, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1053, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1051, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2116, PETRI_PLACES=1021, PETRI_TRANSITIONS=1053} [2024-11-13 12:50:45,155 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -15 predicate places. [2024-11-13 12:50:45,155 INFO L471 AbstractCegarLoop]: Abstraction has has 1021 places, 1053 transitions, 2116 flow [2024-11-13 12:50:45,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:45,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:45,158 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] [2024-11-13 12:50:45,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 12:50:45,159 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:45,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:45,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1033321055, now seen corresponding path program 1 times [2024-11-13 12:50:45,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:45,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221097856] [2024-11-13 12:50:45,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:45,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:45,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:45,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:45,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221097856] [2024-11-13 12:50:45,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221097856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:45,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:45,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:45,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570635531] [2024-11-13 12:50:45,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:45,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:45,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:45,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:45,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:45,298 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 1106 [2024-11-13 12:50:45,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1021 places, 1053 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:45,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:45,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 1106 [2024-11-13 12:50:45,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:46,519 INFO L124 PetriNetUnfolderBase]: 108/2442 cut-off events. [2024-11-13 12:50:46,519 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-13 12:50:46,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2491 conditions, 2442 events. 108/2442 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13592 event pairs, 10 based on Foata normal form. 0/1955 useless extension candidates. Maximal degree in co-relation 2386. Up to 35 conditions per place. [2024-11-13 12:50:46,596 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 14 selfloop transitions, 2 changer transitions 0/1052 dead transitions. [2024-11-13 12:50:46,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1052 transitions, 2146 flow [2024-11-13 12:50:46,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3221 transitions. [2024-11-13 12:50:46,604 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9707655213984328 [2024-11-13 12:50:46,605 INFO L175 Difference]: Start difference. First operand has 1021 places, 1053 transitions, 2116 flow. Second operand 3 states and 3221 transitions. [2024-11-13 12:50:46,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1052 transitions, 2146 flow [2024-11-13 12:50:46,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1020 places, 1052 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:46,614 INFO L231 Difference]: Finished difference. Result has 1020 places, 1052 transitions, 2114 flow [2024-11-13 12:50:46,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2110, PETRI_DIFFERENCE_MINUEND_PLACES=1018, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2114, PETRI_PLACES=1020, PETRI_TRANSITIONS=1052} [2024-11-13 12:50:46,615 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -16 predicate places. [2024-11-13 12:50:46,616 INFO L471 AbstractCegarLoop]: Abstraction has has 1020 places, 1052 transitions, 2114 flow [2024-11-13 12:50:46,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:46,618 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:46,618 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] [2024-11-13 12:50:46,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 12:50:46,618 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:46,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:46,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1653215177, now seen corresponding path program 1 times [2024-11-13 12:50:46,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:46,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540496353] [2024-11-13 12:50:46,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:46,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:46,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:46,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540496353] [2024-11-13 12:50:46,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540496353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:46,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:46,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:46,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370423514] [2024-11-13 12:50:46,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:46,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:46,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:46,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:46,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:46,754 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1061 out of 1106 [2024-11-13 12:50:46,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1020 places, 1052 transitions, 2114 flow. Second operand has 3 states, 3 states have (on average 1062.3333333333333) internal successors, (3187), 3 states have internal predecessors, (3187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:46,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:46,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1061 of 1106 [2024-11-13 12:50:46,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:48,751 INFO L124 PetriNetUnfolderBase]: 206/4387 cut-off events. [2024-11-13 12:50:48,752 INFO L125 PetriNetUnfolderBase]: For 13/111 co-relation queries the response was YES. [2024-11-13 12:50:48,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4478 conditions, 4387 events. 206/4387 cut-off events. For 13/111 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 32370 event pairs, 24 based on Foata normal form. 0/3476 useless extension candidates. Maximal degree in co-relation 4365. Up to 70 conditions per place. [2024-11-13 12:50:48,984 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 21 selfloop transitions, 2 changer transitions 0/1051 dead transitions. [2024-11-13 12:50:48,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1021 places, 1051 transitions, 2158 flow [2024-11-13 12:50:48,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:48,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3207 transitions. [2024-11-13 12:50:48,990 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9665461121157324 [2024-11-13 12:50:48,990 INFO L175 Difference]: Start difference. First operand has 1020 places, 1052 transitions, 2114 flow. Second operand 3 states and 3207 transitions. [2024-11-13 12:50:48,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1021 places, 1051 transitions, 2158 flow [2024-11-13 12:50:48,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1019 places, 1051 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:49,003 INFO L231 Difference]: Finished difference. Result has 1019 places, 1051 transitions, 2112 flow [2024-11-13 12:50:49,005 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2108, PETRI_DIFFERENCE_MINUEND_PLACES=1017, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1051, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1049, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2112, PETRI_PLACES=1019, PETRI_TRANSITIONS=1051} [2024-11-13 12:50:49,005 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -17 predicate places. [2024-11-13 12:50:49,006 INFO L471 AbstractCegarLoop]: Abstraction has has 1019 places, 1051 transitions, 2112 flow [2024-11-13 12:50:49,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1062.3333333333333) internal successors, (3187), 3 states have internal predecessors, (3187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:49,007 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:49,007 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] [2024-11-13 12:50:49,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 12:50:49,007 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:49,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:49,008 INFO L85 PathProgramCache]: Analyzing trace with hash 602286695, now seen corresponding path program 1 times [2024-11-13 12:50:49,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:49,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053618426] [2024-11-13 12:50:49,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:49,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:49,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:49,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053618426] [2024-11-13 12:50:49,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053618426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:49,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:49,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:49,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967659877] [2024-11-13 12:50:49,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:49,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:49,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:49,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:49,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:49,166 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1064 out of 1106 [2024-11-13 12:50:49,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1019 places, 1051 transitions, 2112 flow. Second operand has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:49,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:49,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1064 of 1106 [2024-11-13 12:50:49,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:49,813 INFO L124 PetriNetUnfolderBase]: 78/1568 cut-off events. [2024-11-13 12:50:49,813 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2024-11-13 12:50:49,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1630 conditions, 1568 events. 78/1568 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7422 event pairs, 16 based on Foata normal form. 0/1272 useless extension candidates. Maximal degree in co-relation 1509. Up to 53 conditions per place. [2024-11-13 12:50:49,877 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 18 selfloop transitions, 2 changer transitions 0/1050 dead transitions. [2024-11-13 12:50:49,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1020 places, 1050 transitions, 2150 flow [2024-11-13 12:50:49,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:49,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-13 12:50:49,883 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9683544303797469 [2024-11-13 12:50:49,883 INFO L175 Difference]: Start difference. First operand has 1019 places, 1051 transitions, 2112 flow. Second operand 3 states and 3213 transitions. [2024-11-13 12:50:49,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1020 places, 1050 transitions, 2150 flow [2024-11-13 12:50:49,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1018 places, 1050 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:49,900 INFO L231 Difference]: Finished difference. Result has 1018 places, 1050 transitions, 2110 flow [2024-11-13 12:50:49,901 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2106, PETRI_DIFFERENCE_MINUEND_PLACES=1016, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1048, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2110, PETRI_PLACES=1018, PETRI_TRANSITIONS=1050} [2024-11-13 12:50:49,904 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -18 predicate places. [2024-11-13 12:50:49,904 INFO L471 AbstractCegarLoop]: Abstraction has has 1018 places, 1050 transitions, 2110 flow [2024-11-13 12:50:49,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:49,906 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:49,906 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] [2024-11-13 12:50:49,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 12:50:49,906 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:49,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:49,907 INFO L85 PathProgramCache]: Analyzing trace with hash -953608878, now seen corresponding path program 1 times [2024-11-13 12:50:49,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:49,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043902332] [2024-11-13 12:50:49,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:49,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:50,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:50,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:50,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043902332] [2024-11-13 12:50:50,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043902332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:50,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:50,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:50,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113545407] [2024-11-13 12:50:50,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:50,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:50,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:50,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:50,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:50,052 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1106 [2024-11-13 12:50:50,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1018 places, 1050 transitions, 2110 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:50,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:50,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1106 [2024-11-13 12:50:50,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:50,745 INFO L124 PetriNetUnfolderBase]: 74/1599 cut-off events. [2024-11-13 12:50:50,745 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-13 12:50:50,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1648 conditions, 1599 events. 74/1599 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7287 event pairs, 12 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 1519. Up to 40 conditions per place. [2024-11-13 12:50:50,809 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 15 selfloop transitions, 2 changer transitions 0/1049 dead transitions. [2024-11-13 12:50:50,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1019 places, 1049 transitions, 2142 flow [2024-11-13 12:50:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:50,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3219 transitions. [2024-11-13 12:50:50,815 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9701627486437613 [2024-11-13 12:50:50,815 INFO L175 Difference]: Start difference. First operand has 1018 places, 1050 transitions, 2110 flow. Second operand 3 states and 3219 transitions. [2024-11-13 12:50:50,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1019 places, 1049 transitions, 2142 flow [2024-11-13 12:50:50,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1017 places, 1049 transitions, 2138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:50,831 INFO L231 Difference]: Finished difference. Result has 1017 places, 1049 transitions, 2108 flow [2024-11-13 12:50:50,833 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2104, PETRI_DIFFERENCE_MINUEND_PLACES=1015, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1049, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1047, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2108, PETRI_PLACES=1017, PETRI_TRANSITIONS=1049} [2024-11-13 12:50:50,833 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -19 predicate places. [2024-11-13 12:50:50,833 INFO L471 AbstractCegarLoop]: Abstraction has has 1017 places, 1049 transitions, 2108 flow [2024-11-13 12:50:50,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:50,835 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:50,835 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] [2024-11-13 12:50:50,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 12:50:50,836 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:50,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:50,836 INFO L85 PathProgramCache]: Analyzing trace with hash 192718895, now seen corresponding path program 1 times [2024-11-13 12:50:50,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:50,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973398585] [2024-11-13 12:50:50,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:50,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:50,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:50,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973398585] [2024-11-13 12:50:50,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973398585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:50,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:50,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:50,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685191967] [2024-11-13 12:50:50,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:50,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:50,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:50,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:50,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:50,939 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 1106 [2024-11-13 12:50:50,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 1049 transitions, 2108 flow. Second operand has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:50,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:50,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 1106 [2024-11-13 12:50:50,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:51,431 INFO L124 PetriNetUnfolderBase]: 48/1068 cut-off events. [2024-11-13 12:50:51,431 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-13 12:50:51,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1112 conditions, 1068 events. 48/1068 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4354 event pairs, 10 based on Foata normal form. 0/884 useless extension candidates. Maximal degree in co-relation 975. Up to 35 conditions per place. [2024-11-13 12:50:51,476 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 14 selfloop transitions, 2 changer transitions 0/1048 dead transitions. [2024-11-13 12:50:51,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1018 places, 1048 transitions, 2138 flow [2024-11-13 12:50:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:51,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3221 transitions. [2024-11-13 12:50:51,481 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9707655213984328 [2024-11-13 12:50:51,481 INFO L175 Difference]: Start difference. First operand has 1017 places, 1049 transitions, 2108 flow. Second operand 3 states and 3221 transitions. [2024-11-13 12:50:51,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1018 places, 1048 transitions, 2138 flow [2024-11-13 12:50:51,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1016 places, 1048 transitions, 2134 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:51,496 INFO L231 Difference]: Finished difference. Result has 1016 places, 1048 transitions, 2106 flow [2024-11-13 12:50:51,497 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2102, PETRI_DIFFERENCE_MINUEND_PLACES=1014, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1046, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2106, PETRI_PLACES=1016, PETRI_TRANSITIONS=1048} [2024-11-13 12:50:51,498 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -20 predicate places. [2024-11-13 12:50:51,498 INFO L471 AbstractCegarLoop]: Abstraction has has 1016 places, 1048 transitions, 2106 flow [2024-11-13 12:50:51,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:51,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:51,499 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] [2024-11-13 12:50:51,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 12:50:51,500 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:51,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:51,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1991528618, now seen corresponding path program 1 times [2024-11-13 12:50:51,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:51,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770345253] [2024-11-13 12:50:51,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:51,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:51,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:51,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:51,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770345253] [2024-11-13 12:50:51,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770345253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:51,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:51,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:51,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445695921] [2024-11-13 12:50:51,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:51,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:51,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:51,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:51,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:51,631 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1061 out of 1106 [2024-11-13 12:50:51,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1016 places, 1048 transitions, 2106 flow. Second operand has 3 states, 3 states have (on average 1062.3333333333333) internal successors, (3187), 3 states have internal predecessors, (3187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:51,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:51,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1061 of 1106 [2024-11-13 12:50:51,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:52,356 INFO L124 PetriNetUnfolderBase]: 86/1597 cut-off events. [2024-11-13 12:50:52,356 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-13 12:50:52,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 1597 events. 86/1597 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8317 event pairs, 24 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 1531. Up to 70 conditions per place. [2024-11-13 12:50:52,425 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 21 selfloop transitions, 2 changer transitions 0/1047 dead transitions. [2024-11-13 12:50:52,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1017 places, 1047 transitions, 2150 flow [2024-11-13 12:50:52,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:52,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3207 transitions. [2024-11-13 12:50:52,431 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9665461121157324 [2024-11-13 12:50:52,431 INFO L175 Difference]: Start difference. First operand has 1016 places, 1048 transitions, 2106 flow. Second operand 3 states and 3207 transitions. [2024-11-13 12:50:52,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1017 places, 1047 transitions, 2150 flow [2024-11-13 12:50:52,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1015 places, 1047 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:52,449 INFO L231 Difference]: Finished difference. Result has 1015 places, 1047 transitions, 2104 flow [2024-11-13 12:50:52,451 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=1013, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1047, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1045, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2104, PETRI_PLACES=1015, PETRI_TRANSITIONS=1047} [2024-11-13 12:50:52,451 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -21 predicate places. [2024-11-13 12:50:52,451 INFO L471 AbstractCegarLoop]: Abstraction has has 1015 places, 1047 transitions, 2104 flow [2024-11-13 12:50:52,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1062.3333333333333) internal successors, (3187), 3 states have internal predecessors, (3187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:52,453 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:52,453 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] [2024-11-13 12:50:52,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 12:50:52,453 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:52,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:52,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1684053121, now seen corresponding path program 1 times [2024-11-13 12:50:52,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:52,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143862846] [2024-11-13 12:50:52,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:52,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:52,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:52,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143862846] [2024-11-13 12:50:52,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143862846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:52,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:52,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:50:52,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461799507] [2024-11-13 12:50:52,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:52,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:50:52,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:52,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:50:52,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:50:52,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1106 [2024-11-13 12:50:52,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1015 places, 1047 transitions, 2104 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:52,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:52,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1106 [2024-11-13 12:50:52,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:53,740 INFO L124 PetriNetUnfolderBase]: 122/2607 cut-off events. [2024-11-13 12:50:53,740 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-13 12:50:53,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2663 conditions, 2607 events. 122/2607 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 14372 event pairs, 15 based on Foata normal form. 0/2089 useless extension candidates. Maximal degree in co-relation 2510. Up to 43 conditions per place. [2024-11-13 12:50:53,861 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 12 selfloop transitions, 2 changer transitions 0/1046 dead transitions. [2024-11-13 12:50:53,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1016 places, 1046 transitions, 2130 flow [2024-11-13 12:50:53,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:50:53,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:50:53,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-13 12:50:53,867 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9719710669077758 [2024-11-13 12:50:53,867 INFO L175 Difference]: Start difference. First operand has 1015 places, 1047 transitions, 2104 flow. Second operand 3 states and 3225 transitions. [2024-11-13 12:50:53,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1016 places, 1046 transitions, 2130 flow [2024-11-13 12:50:53,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1014 places, 1046 transitions, 2126 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:53,885 INFO L231 Difference]: Finished difference. Result has 1014 places, 1046 transitions, 2102 flow [2024-11-13 12:50:53,886 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2098, PETRI_DIFFERENCE_MINUEND_PLACES=1012, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1044, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2102, PETRI_PLACES=1014, PETRI_TRANSITIONS=1046} [2024-11-13 12:50:53,887 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -22 predicate places. [2024-11-13 12:50:53,887 INFO L471 AbstractCegarLoop]: Abstraction has has 1014 places, 1046 transitions, 2102 flow [2024-11-13 12:50:53,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:53,888 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:53,888 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] [2024-11-13 12:50:53,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 12:50:53,889 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:50:53,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:53,889 INFO L85 PathProgramCache]: Analyzing trace with hash -118076584, now seen corresponding path program 1 times [2024-11-13 12:50:53,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:53,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726192211] [2024-11-13 12:50:53,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:53,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:54,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:54,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726192211] [2024-11-13 12:50:54,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726192211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:54,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:54,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:50:54,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385209683] [2024-11-13 12:50:54,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:54,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:50:54,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:54,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:50:54,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:50:55,011 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1054 out of 1106 [2024-11-13 12:50:55,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1014 places, 1046 transitions, 2102 flow. Second operand has 6 states, 6 states have (on average 1055.5) internal successors, (6333), 6 states have internal predecessors, (6333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:50:55,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:55,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1054 of 1106 [2024-11-13 12:50:55,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:59,683 INFO L124 PetriNetUnfolderBase]: 894/12786 cut-off events. [2024-11-13 12:50:59,683 INFO L125 PetriNetUnfolderBase]: For 59/69 co-relation queries the response was YES. [2024-11-13 12:50:59,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13406 conditions, 12786 events. 894/12786 cut-off events. For 59/69 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 132265 event pairs, 264 based on Foata normal form. 0/10058 useless extension candidates. Maximal degree in co-relation 13194. Up to 580 conditions per place. [2024-11-13 12:51:00,099 INFO L140 encePairwiseOnDemand]: 1100/1106 looper letters, 26 selfloop transitions, 5 changer transitions 0/1045 dead transitions. [2024-11-13 12:51:00,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1018 places, 1045 transitions, 2162 flow [2024-11-13 12:51:00,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:51:00,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 12:51:00,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6356 transitions. [2024-11-13 12:51:00,109 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9578059071729957 [2024-11-13 12:51:00,110 INFO L175 Difference]: Start difference. First operand has 1014 places, 1046 transitions, 2102 flow. Second operand 6 states and 6356 transitions. [2024-11-13 12:51:00,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1018 places, 1045 transitions, 2162 flow [2024-11-13 12:51:00,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1016 places, 1045 transitions, 2158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:51:00,120 INFO L231 Difference]: Finished difference. Result has 1016 places, 1045 transitions, 2106 flow [2024-11-13 12:51:00,121 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2096, PETRI_DIFFERENCE_MINUEND_PLACES=1011, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1045, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1040, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2106, PETRI_PLACES=1016, PETRI_TRANSITIONS=1045} [2024-11-13 12:51:00,121 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -20 predicate places. [2024-11-13 12:51:00,122 INFO L471 AbstractCegarLoop]: Abstraction has has 1016 places, 1045 transitions, 2106 flow [2024-11-13 12:51:00,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1055.5) internal successors, (6333), 6 states have internal predecessors, (6333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:00,124 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:00,124 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] [2024-11-13 12:51:00,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 12:51:00,124 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:00,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:00,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1846186302, now seen corresponding path program 1 times [2024-11-13 12:51:00,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:00,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084334522] [2024-11-13 12:51:00,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:00,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:00,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:00,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:00,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084334522] [2024-11-13 12:51:00,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084334522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:00,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:00,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:00,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62759461] [2024-11-13 12:51:00,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:00,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:00,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:00,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:00,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:00,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1106 [2024-11-13 12:51:00,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1016 places, 1045 transitions, 2106 flow. Second operand has 3 states, 3 states have (on average 1070.6666666666667) internal successors, (3212), 3 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:00,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:00,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1106 [2024-11-13 12:51:00,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:01,122 INFO L124 PetriNetUnfolderBase]: 80/1600 cut-off events. [2024-11-13 12:51:01,122 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 12:51:01,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1681 conditions, 1600 events. 80/1600 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8241 event pairs, 14 based on Foata normal form. 0/1301 useless extension candidates. Maximal degree in co-relation 1663. Up to 43 conditions per place. [2024-11-13 12:51:01,204 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 16 selfloop transitions, 2 changer transitions 0/1046 dead transitions. [2024-11-13 12:51:01,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1017 places, 1046 transitions, 2146 flow [2024-11-13 12:51:01,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:01,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3226 transitions. [2024-11-13 12:51:01,214 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9722724532851115 [2024-11-13 12:51:01,214 INFO L175 Difference]: Start difference. First operand has 1016 places, 1045 transitions, 2106 flow. Second operand 3 states and 3226 transitions. [2024-11-13 12:51:01,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1017 places, 1046 transitions, 2146 flow [2024-11-13 12:51:01,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1012 places, 1046 transitions, 2136 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 12:51:01,231 INFO L231 Difference]: Finished difference. Result has 1012 places, 1044 transitions, 2098 flow [2024-11-13 12:51:01,233 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=1010, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1044, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1042, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2098, PETRI_PLACES=1012, PETRI_TRANSITIONS=1044} [2024-11-13 12:51:01,234 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -24 predicate places. [2024-11-13 12:51:01,234 INFO L471 AbstractCegarLoop]: Abstraction has has 1012 places, 1044 transitions, 2098 flow [2024-11-13 12:51:01,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.6666666666667) internal successors, (3212), 3 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:01,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:01,236 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, 1, 1, 1, 1] [2024-11-13 12:51:01,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 12:51:01,236 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:01,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:01,236 INFO L85 PathProgramCache]: Analyzing trace with hash 768880438, now seen corresponding path program 1 times [2024-11-13 12:51:01,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:01,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427943899] [2024-11-13 12:51:01,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:01,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:01,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:01,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:01,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427943899] [2024-11-13 12:51:01,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427943899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:01,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:01,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:01,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112553290] [2024-11-13 12:51:01,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:01,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:01,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:01,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:01,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:01,405 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-13 12:51:01,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1012 places, 1044 transitions, 2098 flow. Second operand has 3 states, 3 states have (on average 1064.6666666666667) internal successors, (3194), 3 states have internal predecessors, (3194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:01,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:01,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-13 12:51:01,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:02,216 INFO L124 PetriNetUnfolderBase]: 116/2150 cut-off events. [2024-11-13 12:51:02,216 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 12:51:02,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2270 conditions, 2150 events. 116/2150 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 13227 event pairs, 26 based on Foata normal form. 0/1736 useless extension candidates. Maximal degree in co-relation 2058. Up to 73 conditions per place. [2024-11-13 12:51:02,295 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 22 selfloop transitions, 2 changer transitions 0/1045 dead transitions. [2024-11-13 12:51:02,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1013 places, 1045 transitions, 2150 flow [2024-11-13 12:51:02,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3214 transitions. [2024-11-13 12:51:02,299 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9686558167570826 [2024-11-13 12:51:02,299 INFO L175 Difference]: Start difference. First operand has 1012 places, 1044 transitions, 2098 flow. Second operand 3 states and 3214 transitions. [2024-11-13 12:51:02,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1013 places, 1045 transitions, 2150 flow [2024-11-13 12:51:02,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1011 places, 1045 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:51:02,314 INFO L231 Difference]: Finished difference. Result has 1011 places, 1043 transitions, 2096 flow [2024-11-13 12:51:02,315 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2092, PETRI_DIFFERENCE_MINUEND_PLACES=1009, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1043, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1041, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2096, PETRI_PLACES=1011, PETRI_TRANSITIONS=1043} [2024-11-13 12:51:02,315 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -25 predicate places. [2024-11-13 12:51:02,316 INFO L471 AbstractCegarLoop]: Abstraction has has 1011 places, 1043 transitions, 2096 flow [2024-11-13 12:51:02,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.6666666666667) internal successors, (3194), 3 states have internal predecessors, (3194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:02,317 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:02,317 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, 1, 1, 1, 1, 1] [2024-11-13 12:51:02,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 12:51:02,317 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:02,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:02,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1619232178, now seen corresponding path program 1 times [2024-11-13 12:51:02,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:02,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329739251] [2024-11-13 12:51:02,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:02,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:02,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:02,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329739251] [2024-11-13 12:51:02,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329739251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:02,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:02,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:02,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862930978] [2024-11-13 12:51:02,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:02,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:02,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:02,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:02,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:02,422 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1106 [2024-11-13 12:51:02,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1011 places, 1043 transitions, 2096 flow. Second operand has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:02,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:02,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1106 [2024-11-13 12:51:02,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:03,310 INFO L124 PetriNetUnfolderBase]: 92/1872 cut-off events. [2024-11-13 12:51:03,310 INFO L125 PetriNetUnfolderBase]: For 11/37 co-relation queries the response was YES. [2024-11-13 12:51:03,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1941 conditions, 1872 events. 92/1872 cut-off events. For 11/37 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 10196 event pairs, 4 based on Foata normal form. 0/1511 useless extension candidates. Maximal degree in co-relation 1724. Up to 43 conditions per place. [2024-11-13 12:51:03,386 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 16 selfloop transitions, 2 changer transitions 0/1044 dead transitions. [2024-11-13 12:51:03,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1012 places, 1044 transitions, 2136 flow [2024-11-13 12:51:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:03,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3226 transitions. [2024-11-13 12:51:03,389 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9722724532851115 [2024-11-13 12:51:03,389 INFO L175 Difference]: Start difference. First operand has 1011 places, 1043 transitions, 2096 flow. Second operand 3 states and 3226 transitions. [2024-11-13 12:51:03,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1012 places, 1044 transitions, 2136 flow [2024-11-13 12:51:03,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1010 places, 1044 transitions, 2132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:51:03,400 INFO L231 Difference]: Finished difference. Result has 1010 places, 1042 transitions, 2094 flow [2024-11-13 12:51:03,401 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2090, PETRI_DIFFERENCE_MINUEND_PLACES=1008, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1042, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1040, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2094, PETRI_PLACES=1010, PETRI_TRANSITIONS=1042} [2024-11-13 12:51:03,402 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -26 predicate places. [2024-11-13 12:51:03,402 INFO L471 AbstractCegarLoop]: Abstraction has has 1010 places, 1042 transitions, 2094 flow [2024-11-13 12:51:03,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:03,403 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:03,403 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:03,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 12:51:03,403 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:03,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:03,404 INFO L85 PathProgramCache]: Analyzing trace with hash 659008515, now seen corresponding path program 1 times [2024-11-13 12:51:03,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:03,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154749725] [2024-11-13 12:51:03,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:03,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:03,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:03,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:03,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154749725] [2024-11-13 12:51:03,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154749725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:03,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:03,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:03,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114968815] [2024-11-13 12:51:03,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:03,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:03,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:03,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:03,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:03,516 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1049 out of 1106 [2024-11-13 12:51:03,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1010 places, 1042 transitions, 2094 flow. Second operand has 3 states, 3 states have (on average 1050.3333333333333) internal successors, (3151), 3 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:03,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:03,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1049 of 1106 [2024-11-13 12:51:03,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:06,126 INFO L124 PetriNetUnfolderBase]: 441/6237 cut-off events. [2024-11-13 12:51:06,126 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-13 12:51:06,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6608 conditions, 6237 events. 441/6237 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 51521 event pairs, 110 based on Foata normal form. 0/4991 useless extension candidates. Maximal degree in co-relation 6094. Up to 339 conditions per place. [2024-11-13 12:51:06,509 INFO L140 encePairwiseOnDemand]: 1094/1106 looper letters, 29 selfloop transitions, 2 changer transitions 0/1036 dead transitions. [2024-11-13 12:51:06,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1002 places, 1036 transitions, 2146 flow [2024-11-13 12:51:06,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:06,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3188 transitions. [2024-11-13 12:51:06,512 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608197709463532 [2024-11-13 12:51:06,512 INFO L175 Difference]: Start difference. First operand has 1010 places, 1042 transitions, 2094 flow. Second operand 3 states and 3188 transitions. [2024-11-13 12:51:06,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1002 places, 1036 transitions, 2146 flow [2024-11-13 12:51:06,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1000 places, 1036 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:51:06,523 INFO L231 Difference]: Finished difference. Result has 1001 places, 1034 transitions, 2084 flow [2024-11-13 12:51:06,523 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2070, PETRI_DIFFERENCE_MINUEND_PLACES=998, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1032, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1030, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2084, PETRI_PLACES=1001, PETRI_TRANSITIONS=1034} [2024-11-13 12:51:06,524 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -35 predicate places. [2024-11-13 12:51:06,524 INFO L471 AbstractCegarLoop]: Abstraction has has 1001 places, 1034 transitions, 2084 flow [2024-11-13 12:51:06,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1050.3333333333333) internal successors, (3151), 3 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:06,525 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:06,525 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:06,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 12:51:06,525 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:06,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:06,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1947070117, now seen corresponding path program 1 times [2024-11-13 12:51:06,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:06,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791422505] [2024-11-13 12:51:06,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:06,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:06,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:06,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791422505] [2024-11-13 12:51:06,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791422505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:06,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:06,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:06,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162459393] [2024-11-13 12:51:06,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:06,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:06,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:06,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:06,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:06,624 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1049 out of 1106 [2024-11-13 12:51:06,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1001 places, 1034 transitions, 2084 flow. Second operand has 3 states, 3 states have (on average 1050.3333333333333) internal successors, (3151), 3 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:06,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:06,627 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1049 of 1106 [2024-11-13 12:51:06,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:09,902 INFO L124 PetriNetUnfolderBase]: 859/10615 cut-off events. [2024-11-13 12:51:09,902 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-13 12:51:10,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11421 conditions, 10615 events. 859/10615 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 101472 event pairs, 190 based on Foata normal form. 0/8539 useless extension candidates. Maximal degree in co-relation 10945. Up to 660 conditions per place. [2024-11-13 12:51:10,326 INFO L140 encePairwiseOnDemand]: 1094/1106 looper letters, 29 selfloop transitions, 2 changer transitions 0/1028 dead transitions. [2024-11-13 12:51:10,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 1028 transitions, 2136 flow [2024-11-13 12:51:10,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:10,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:10,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3188 transitions. [2024-11-13 12:51:10,330 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608197709463532 [2024-11-13 12:51:10,330 INFO L175 Difference]: Start difference. First operand has 1001 places, 1034 transitions, 2084 flow. Second operand 3 states and 3188 transitions. [2024-11-13 12:51:10,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 1028 transitions, 2136 flow [2024-11-13 12:51:10,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 993 places, 1028 transitions, 2136 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 12:51:10,347 INFO L231 Difference]: Finished difference. Result has 994 places, 1026 transitions, 2078 flow [2024-11-13 12:51:10,348 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2064, PETRI_DIFFERENCE_MINUEND_PLACES=991, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1024, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1022, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2078, PETRI_PLACES=994, PETRI_TRANSITIONS=1026} [2024-11-13 12:51:10,349 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -42 predicate places. [2024-11-13 12:51:10,349 INFO L471 AbstractCegarLoop]: Abstraction has has 994 places, 1026 transitions, 2078 flow [2024-11-13 12:51:10,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1050.3333333333333) internal successors, (3151), 3 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:10,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:10,350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:10,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 12:51:10,351 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:10,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:10,351 INFO L85 PathProgramCache]: Analyzing trace with hash -12911621, now seen corresponding path program 1 times [2024-11-13 12:51:10,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:10,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406685162] [2024-11-13 12:51:10,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:10,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:10,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:10,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406685162] [2024-11-13 12:51:10,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406685162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:10,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:10,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:10,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496640937] [2024-11-13 12:51:10,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:10,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:10,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:10,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:10,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:10,496 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-13 12:51:10,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 994 places, 1026 transitions, 2078 flow. Second operand has 3 states, 3 states have (on average 1065.0) internal successors, (3195), 3 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:10,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:10,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-13 12:51:10,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:11,454 INFO L124 PetriNetUnfolderBase]: 167/2867 cut-off events. [2024-11-13 12:51:11,454 INFO L125 PetriNetUnfolderBase]: For 17/44 co-relation queries the response was YES. [2024-11-13 12:51:11,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3036 conditions, 2867 events. 167/2867 cut-off events. For 17/44 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 20490 event pairs, 26 based on Foata normal form. 0/2338 useless extension candidates. Maximal degree in co-relation 2301. Up to 106 conditions per place. [2024-11-13 12:51:11,565 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 22 selfloop transitions, 2 changer transitions 0/1027 dead transitions. [2024-11-13 12:51:11,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 995 places, 1027 transitions, 2130 flow [2024-11-13 12:51:11,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:11,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3214 transitions. [2024-11-13 12:51:11,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9686558167570826 [2024-11-13 12:51:11,569 INFO L175 Difference]: Start difference. First operand has 994 places, 1026 transitions, 2078 flow. Second operand 3 states and 3214 transitions. [2024-11-13 12:51:11,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 995 places, 1027 transitions, 2130 flow [2024-11-13 12:51:11,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 995 places, 1027 transitions, 2130 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 12:51:11,584 INFO L231 Difference]: Finished difference. Result has 995 places, 1025 transitions, 2080 flow [2024-11-13 12:51:11,585 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2076, PETRI_DIFFERENCE_MINUEND_PLACES=993, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1025, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1023, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2080, PETRI_PLACES=995, PETRI_TRANSITIONS=1025} [2024-11-13 12:51:11,586 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -41 predicate places. [2024-11-13 12:51:11,586 INFO L471 AbstractCegarLoop]: Abstraction has has 995 places, 1025 transitions, 2080 flow [2024-11-13 12:51:11,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.0) internal successors, (3195), 3 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:11,587 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:11,588 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:11,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 12:51:11,588 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:11,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:11,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1454196351, now seen corresponding path program 1 times [2024-11-13 12:51:11,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:11,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774228930] [2024-11-13 12:51:11,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:11,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:11,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:11,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774228930] [2024-11-13 12:51:11,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774228930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:11,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:11,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:11,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089787225] [2024-11-13 12:51:11,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:11,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:11,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:11,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:11,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:11,679 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1106 [2024-11-13 12:51:11,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 995 places, 1025 transitions, 2080 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:11,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:11,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1106 [2024-11-13 12:51:11,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:12,469 INFO L124 PetriNetUnfolderBase]: 106/2076 cut-off events. [2024-11-13 12:51:12,469 INFO L125 PetriNetUnfolderBase]: For 21/44 co-relation queries the response was YES. [2024-11-13 12:51:12,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2157 conditions, 2076 events. 106/2076 cut-off events. For 21/44 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 11731 event pairs, 4 based on Foata normal form. 0/1704 useless extension candidates. Maximal degree in co-relation 1930. Up to 48 conditions per place. [2024-11-13 12:51:12,522 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 16 selfloop transitions, 2 changer transitions 0/1026 dead transitions. [2024-11-13 12:51:12,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 996 places, 1026 transitions, 2120 flow [2024-11-13 12:51:12,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3226 transitions. [2024-11-13 12:51:12,525 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9722724532851115 [2024-11-13 12:51:12,525 INFO L175 Difference]: Start difference. First operand has 995 places, 1025 transitions, 2080 flow. Second operand 3 states and 3226 transitions. [2024-11-13 12:51:12,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 996 places, 1026 transitions, 2120 flow [2024-11-13 12:51:12,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 994 places, 1026 transitions, 2116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:51:12,535 INFO L231 Difference]: Finished difference. Result has 994 places, 1024 transitions, 2078 flow [2024-11-13 12:51:12,536 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2074, PETRI_DIFFERENCE_MINUEND_PLACES=992, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1024, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1022, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2078, PETRI_PLACES=994, PETRI_TRANSITIONS=1024} [2024-11-13 12:51:12,536 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -42 predicate places. [2024-11-13 12:51:12,536 INFO L471 AbstractCegarLoop]: Abstraction has has 994 places, 1024 transitions, 2078 flow [2024-11-13 12:51:12,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:12,537 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:12,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:12,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 12:51:12,538 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:12,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:12,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1635000669, now seen corresponding path program 1 times [2024-11-13 12:51:12,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:12,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830164902] [2024-11-13 12:51:12,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:12,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:12,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:12,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830164902] [2024-11-13 12:51:12,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830164902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:12,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:12,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:12,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580724174] [2024-11-13 12:51:12,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:12,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:12,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:12,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:12,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:12,649 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1060 out of 1106 [2024-11-13 12:51:12,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 994 places, 1024 transitions, 2078 flow. Second operand has 3 states, 3 states have (on average 1061.3333333333333) internal successors, (3184), 3 states have internal predecessors, (3184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:12,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:12,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1060 of 1106 [2024-11-13 12:51:12,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:14,085 INFO L124 PetriNetUnfolderBase]: 192/3769 cut-off events. [2024-11-13 12:51:14,085 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-13 12:51:14,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3912 conditions, 3769 events. 192/3769 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 25693 event pairs, 8 based on Foata normal form. 0/3078 useless extension candidates. Maximal degree in co-relation 3434. Up to 42 conditions per place. [2024-11-13 12:51:14,190 INFO L140 encePairwiseOnDemand]: 1092/1106 looper letters, 18 selfloop transitions, 9 changer transitions 0/1025 dead transitions. [2024-11-13 12:51:14,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 991 places, 1025 transitions, 2136 flow [2024-11-13 12:51:14,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:14,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3212 transitions. [2024-11-13 12:51:14,193 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9680530440024111 [2024-11-13 12:51:14,193 INFO L175 Difference]: Start difference. First operand has 994 places, 1024 transitions, 2078 flow. Second operand 3 states and 3212 transitions. [2024-11-13 12:51:14,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 991 places, 1025 transitions, 2136 flow [2024-11-13 12:51:14,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 989 places, 1025 transitions, 2132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:51:14,206 INFO L231 Difference]: Finished difference. Result has 990 places, 1023 transitions, 2107 flow [2024-11-13 12:51:14,207 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2064, PETRI_DIFFERENCE_MINUEND_PLACES=987, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1019, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1010, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2107, PETRI_PLACES=990, PETRI_TRANSITIONS=1023} [2024-11-13 12:51:14,208 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -46 predicate places. [2024-11-13 12:51:14,208 INFO L471 AbstractCegarLoop]: Abstraction has has 990 places, 1023 transitions, 2107 flow [2024-11-13 12:51:14,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1061.3333333333333) internal successors, (3184), 3 states have internal predecessors, (3184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:14,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:14,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:14,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 12:51:14,209 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:14,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:14,210 INFO L85 PathProgramCache]: Analyzing trace with hash 250798293, now seen corresponding path program 1 times [2024-11-13 12:51:14,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:14,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545937055] [2024-11-13 12:51:14,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:14,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:14,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:14,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545937055] [2024-11-13 12:51:14,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545937055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:14,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:14,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:14,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218417382] [2024-11-13 12:51:14,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:14,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:14,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:14,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:14,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:14,306 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1049 out of 1106 [2024-11-13 12:51:14,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 990 places, 1023 transitions, 2107 flow. Second operand has 3 states, 3 states have (on average 1050.6666666666667) internal successors, (3152), 3 states have internal predecessors, (3152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:14,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:14,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1049 of 1106 [2024-11-13 12:51:14,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:20,382 INFO L124 PetriNetUnfolderBase]: 1569/19951 cut-off events. [2024-11-13 12:51:20,382 INFO L125 PetriNetUnfolderBase]: For 147/153 co-relation queries the response was YES. [2024-11-13 12:51:20,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21197 conditions, 19951 events. 1569/19951 cut-off events. For 147/153 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 223259 event pairs, 488 based on Foata normal form. 0/16094 useless extension candidates. Maximal degree in co-relation 16212. Up to 1183 conditions per place. [2024-11-13 12:51:20,805 INFO L140 encePairwiseOnDemand]: 1094/1106 looper letters, 29 selfloop transitions, 2 changer transitions 0/1017 dead transitions. [2024-11-13 12:51:20,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 982 places, 1017 transitions, 2159 flow [2024-11-13 12:51:20,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:20,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3188 transitions. [2024-11-13 12:51:20,809 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608197709463532 [2024-11-13 12:51:20,809 INFO L175 Difference]: Start difference. First operand has 990 places, 1023 transitions, 2107 flow. Second operand 3 states and 3188 transitions. [2024-11-13 12:51:20,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 982 places, 1017 transitions, 2159 flow [2024-11-13 12:51:20,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 981 places, 1017 transitions, 2150 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 12:51:20,823 INFO L231 Difference]: Finished difference. Result has 982 places, 1015 transitions, 2092 flow [2024-11-13 12:51:20,824 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=979, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1013, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1011, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2092, PETRI_PLACES=982, PETRI_TRANSITIONS=1015} [2024-11-13 12:51:20,825 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -54 predicate places. [2024-11-13 12:51:20,825 INFO L471 AbstractCegarLoop]: Abstraction has has 982 places, 1015 transitions, 2092 flow [2024-11-13 12:51:20,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1050.6666666666667) internal successors, (3152), 3 states have internal predecessors, (3152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:20,826 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:20,826 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:20,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 12:51:20,826 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:20,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:20,827 INFO L85 PathProgramCache]: Analyzing trace with hash -946302452, now seen corresponding path program 1 times [2024-11-13 12:51:20,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:20,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466494004] [2024-11-13 12:51:20,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:20,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:20,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:20,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:20,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466494004] [2024-11-13 12:51:20,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466494004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:20,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:20,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:20,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788955911] [2024-11-13 12:51:20,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:20,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:20,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:20,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:20,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:20,969 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1066 out of 1106 [2024-11-13 12:51:20,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 982 places, 1015 transitions, 2092 flow. Second operand has 3 states, 3 states have (on average 1067.6666666666667) internal successors, (3203), 3 states have internal predecessors, (3203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:20,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:20,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1066 of 1106 [2024-11-13 12:51:20,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:23,340 INFO L124 PetriNetUnfolderBase]: 262/5102 cut-off events. [2024-11-13 12:51:23,340 INFO L125 PetriNetUnfolderBase]: For 36/52 co-relation queries the response was YES. [2024-11-13 12:51:23,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5302 conditions, 5102 events. 262/5102 cut-off events. For 36/52 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 44398 event pairs, 20 based on Foata normal form. 1/4212 useless extension candidates. Maximal degree in co-relation 4576. Up to 68 conditions per place. [2024-11-13 12:51:23,513 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 22 selfloop transitions, 3 changer transitions 0/1016 dead transitions. [2024-11-13 12:51:23,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 983 places, 1016 transitions, 2146 flow [2024-11-13 12:51:23,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:23,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:23,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3220 transitions. [2024-11-13 12:51:23,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9704641350210971 [2024-11-13 12:51:23,517 INFO L175 Difference]: Start difference. First operand has 982 places, 1015 transitions, 2092 flow. Second operand 3 states and 3220 transitions. [2024-11-13 12:51:23,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 983 places, 1016 transitions, 2146 flow [2024-11-13 12:51:23,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 983 places, 1016 transitions, 2146 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 12:51:23,537 INFO L231 Difference]: Finished difference. Result has 983 places, 1014 transitions, 2096 flow [2024-11-13 12:51:23,538 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2090, PETRI_DIFFERENCE_MINUEND_PLACES=981, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1014, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1011, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2096, PETRI_PLACES=983, PETRI_TRANSITIONS=1014} [2024-11-13 12:51:23,539 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -53 predicate places. [2024-11-13 12:51:23,539 INFO L471 AbstractCegarLoop]: Abstraction has has 983 places, 1014 transitions, 2096 flow [2024-11-13 12:51:23,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.6666666666667) internal successors, (3203), 3 states have internal predecessors, (3203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:23,540 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:23,541 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:23,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 12:51:23,541 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:23,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:23,541 INFO L85 PathProgramCache]: Analyzing trace with hash -972508609, now seen corresponding path program 1 times [2024-11-13 12:51:23,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:23,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984424766] [2024-11-13 12:51:23,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:23,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:23,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:23,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:23,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984424766] [2024-11-13 12:51:23,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984424766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:23,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:23,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:23,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406659319] [2024-11-13 12:51:23,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:23,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:23,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:23,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:23,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:23,701 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-13 12:51:23,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 1014 transitions, 2096 flow. Second operand has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:23,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:23,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-13 12:51:23,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:24,826 INFO L124 PetriNetUnfolderBase]: 181/3054 cut-off events. [2024-11-13 12:51:24,826 INFO L125 PetriNetUnfolderBase]: For 46/58 co-relation queries the response was YES. [2024-11-13 12:51:24,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3261 conditions, 3054 events. 181/3054 cut-off events. For 46/58 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 22278 event pairs, 37 based on Foata normal form. 1/2533 useless extension candidates. Maximal degree in co-relation 2512. Up to 139 conditions per place. [2024-11-13 12:51:24,909 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 22 selfloop transitions, 2 changer transitions 0/1015 dead transitions. [2024-11-13 12:51:24,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 984 places, 1015 transitions, 2148 flow [2024-11-13 12:51:24,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:24,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3214 transitions. [2024-11-13 12:51:24,912 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9686558167570826 [2024-11-13 12:51:24,912 INFO L175 Difference]: Start difference. First operand has 983 places, 1014 transitions, 2096 flow. Second operand 3 states and 3214 transitions. [2024-11-13 12:51:24,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 984 places, 1015 transitions, 2148 flow [2024-11-13 12:51:24,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 982 places, 1015 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:51:24,926 INFO L231 Difference]: Finished difference. Result has 982 places, 1013 transitions, 2092 flow [2024-11-13 12:51:24,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2088, PETRI_DIFFERENCE_MINUEND_PLACES=980, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1013, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1011, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2092, PETRI_PLACES=982, PETRI_TRANSITIONS=1013} [2024-11-13 12:51:24,928 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -54 predicate places. [2024-11-13 12:51:24,928 INFO L471 AbstractCegarLoop]: Abstraction has has 982 places, 1013 transitions, 2092 flow [2024-11-13 12:51:24,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:24,929 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:24,929 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:24,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 12:51:24,929 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:24,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:24,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1708395614, now seen corresponding path program 1 times [2024-11-13 12:51:24,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:24,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887390310] [2024-11-13 12:51:24,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:24,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:24,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:24,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:24,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887390310] [2024-11-13 12:51:24,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887390310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:24,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:24,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:24,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029722476] [2024-11-13 12:51:24,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:24,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:24,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:24,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:24,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:25,028 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1060 out of 1106 [2024-11-13 12:51:25,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 982 places, 1013 transitions, 2092 flow. Second operand has 3 states, 3 states have (on average 1061.6666666666667) internal successors, (3185), 3 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:25,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:25,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1060 of 1106 [2024-11-13 12:51:25,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:26,790 INFO L124 PetriNetUnfolderBase]: 298/5501 cut-off events. [2024-11-13 12:51:26,790 INFO L125 PetriNetUnfolderBase]: For 14/28 co-relation queries the response was YES. [2024-11-13 12:51:26,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5749 conditions, 5501 events. 298/5501 cut-off events. For 14/28 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 44825 event pairs, 15 based on Foata normal form. 0/4550 useless extension candidates. Maximal degree in co-relation 5383. Up to 66 conditions per place. [2024-11-13 12:51:26,878 INFO L140 encePairwiseOnDemand]: 1092/1106 looper letters, 18 selfloop transitions, 9 changer transitions 0/1014 dead transitions. [2024-11-13 12:51:26,878 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 979 places, 1014 transitions, 2150 flow [2024-11-13 12:51:26,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:26,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3212 transitions. [2024-11-13 12:51:26,883 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9680530440024111 [2024-11-13 12:51:26,883 INFO L175 Difference]: Start difference. First operand has 982 places, 1013 transitions, 2092 flow. Second operand 3 states and 3212 transitions. [2024-11-13 12:51:26,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 979 places, 1014 transitions, 2150 flow [2024-11-13 12:51:26,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 977 places, 1014 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:51:26,906 INFO L231 Difference]: Finished difference. Result has 978 places, 1012 transitions, 2121 flow [2024-11-13 12:51:26,911 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=975, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1008, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=999, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2121, PETRI_PLACES=978, PETRI_TRANSITIONS=1012} [2024-11-13 12:51:26,912 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -58 predicate places. [2024-11-13 12:51:26,912 INFO L471 AbstractCegarLoop]: Abstraction has has 978 places, 1012 transitions, 2121 flow [2024-11-13 12:51:26,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1061.6666666666667) internal successors, (3185), 3 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:26,916 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:26,916 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:26,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 12:51:26,916 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:26,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:26,917 INFO L85 PathProgramCache]: Analyzing trace with hash 521867292, now seen corresponding path program 1 times [2024-11-13 12:51:26,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:26,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445235488] [2024-11-13 12:51:26,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:26,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:26,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:26,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:26,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445235488] [2024-11-13 12:51:26,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445235488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:26,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:26,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:26,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833145111] [2024-11-13 12:51:26,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:26,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:26,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:26,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:26,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:27,043 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1066 out of 1106 [2024-11-13 12:51:27,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 978 places, 1012 transitions, 2121 flow. Second operand has 3 states, 3 states have (on average 1068.0) internal successors, (3204), 3 states have internal predecessors, (3204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:27,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:27,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1066 of 1106 [2024-11-13 12:51:27,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:28,456 INFO L124 PetriNetUnfolderBase]: 285/5369 cut-off events. [2024-11-13 12:51:28,456 INFO L125 PetriNetUnfolderBase]: For 113/166 co-relation queries the response was YES. [2024-11-13 12:51:28,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5672 conditions, 5369 events. 285/5369 cut-off events. For 113/166 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 47643 event pairs, 30 based on Foata normal form. 0/4449 useless extension candidates. Maximal degree in co-relation 5079. Up to 104 conditions per place. [2024-11-13 12:51:28,563 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 22 selfloop transitions, 3 changer transitions 0/1013 dead transitions. [2024-11-13 12:51:28,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 979 places, 1013 transitions, 2175 flow [2024-11-13 12:51:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:28,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:28,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3220 transitions. [2024-11-13 12:51:28,566 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9704641350210971 [2024-11-13 12:51:28,566 INFO L175 Difference]: Start difference. First operand has 978 places, 1012 transitions, 2121 flow. Second operand 3 states and 3220 transitions. [2024-11-13 12:51:28,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 979 places, 1013 transitions, 2175 flow [2024-11-13 12:51:28,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 978 places, 1013 transitions, 2166 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 12:51:28,580 INFO L231 Difference]: Finished difference. Result has 978 places, 1011 transitions, 2116 flow [2024-11-13 12:51:28,581 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2110, PETRI_DIFFERENCE_MINUEND_PLACES=976, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1011, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1008, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2116, PETRI_PLACES=978, PETRI_TRANSITIONS=1011} [2024-11-13 12:51:28,581 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -58 predicate places. [2024-11-13 12:51:28,581 INFO L471 AbstractCegarLoop]: Abstraction has has 978 places, 1011 transitions, 2116 flow [2024-11-13 12:51:28,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.0) internal successors, (3204), 3 states have internal predecessors, (3204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:28,582 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:28,582 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:28,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 12:51:28,583 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:28,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:28,583 INFO L85 PathProgramCache]: Analyzing trace with hash -649805722, now seen corresponding path program 1 times [2024-11-13 12:51:28,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:28,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488511462] [2024-11-13 12:51:28,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:28,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:28,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:28,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488511462] [2024-11-13 12:51:28,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488511462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:28,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:28,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:28,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654542192] [2024-11-13 12:51:28,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:28,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:28,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:28,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:28,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:28,680 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1060 out of 1106 [2024-11-13 12:51:28,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 978 places, 1011 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1062.0) internal successors, (3186), 3 states have internal predecessors, (3186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:28,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:28,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1060 of 1106 [2024-11-13 12:51:28,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:29,779 INFO L124 PetriNetUnfolderBase]: 174/3094 cut-off events. [2024-11-13 12:51:29,779 INFO L125 PetriNetUnfolderBase]: For 43/50 co-relation queries the response was YES. [2024-11-13 12:51:29,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3348 conditions, 3094 events. 174/3094 cut-off events. For 43/50 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 22109 event pairs, 12 based on Foata normal form. 3/2619 useless extension candidates. Maximal degree in co-relation 2572. Up to 90 conditions per place. [2024-11-13 12:51:29,881 INFO L140 encePairwiseOnDemand]: 1092/1106 looper letters, 16 selfloop transitions, 8 changer transitions 12/1012 dead transitions. [2024-11-13 12:51:29,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 975 places, 1012 transitions, 2172 flow [2024-11-13 12:51:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:29,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:29,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3211 transitions. [2024-11-13 12:51:29,885 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9677516576250753 [2024-11-13 12:51:29,885 INFO L175 Difference]: Start difference. First operand has 978 places, 1011 transitions, 2116 flow. Second operand 3 states and 3211 transitions. [2024-11-13 12:51:29,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 975 places, 1012 transitions, 2172 flow [2024-11-13 12:51:29,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 973 places, 1012 transitions, 2166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:51:29,903 INFO L231 Difference]: Finished difference. Result has 974 places, 998 transitions, 2111 flow [2024-11-13 12:51:29,904 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=971, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1006, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=998, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2111, PETRI_PLACES=974, PETRI_TRANSITIONS=998} [2024-11-13 12:51:29,905 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -62 predicate places. [2024-11-13 12:51:29,905 INFO L471 AbstractCegarLoop]: Abstraction has has 974 places, 998 transitions, 2111 flow [2024-11-13 12:51:29,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1062.0) internal successors, (3186), 3 states have internal predecessors, (3186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:29,906 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:29,906 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:29,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 12:51:29,907 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:29,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:29,907 INFO L85 PathProgramCache]: Analyzing trace with hash -756322971, now seen corresponding path program 1 times [2024-11-13 12:51:29,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:29,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124183425] [2024-11-13 12:51:29,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:29,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:29,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:29,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:29,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124183425] [2024-11-13 12:51:29,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124183425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:29,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:29,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:51:29,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024320102] [2024-11-13 12:51:29,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:29,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:29,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:29,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:29,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:30,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1072 out of 1106 [2024-11-13 12:51:30,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 974 places, 998 transitions, 2111 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:30,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:30,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1072 of 1106 [2024-11-13 12:51:30,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:31,514 INFO L124 PetriNetUnfolderBase]: 215/4625 cut-off events. [2024-11-13 12:51:31,514 INFO L125 PetriNetUnfolderBase]: For 40/50 co-relation queries the response was YES. [2024-11-13 12:51:31,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4954 conditions, 4625 events. 215/4625 cut-off events. For 40/50 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 38946 event pairs, 4 based on Foata normal form. 1/3901 useless extension candidates. Maximal degree in co-relation 4558. Up to 73 conditions per place. [2024-11-13 12:51:31,708 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 16 selfloop transitions, 2 changer transitions 0/1003 dead transitions. [2024-11-13 12:51:31,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 965 places, 1003 transitions, 2161 flow [2024-11-13 12:51:31,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:31,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:31,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3235 transitions. [2024-11-13 12:51:31,712 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9749849306811332 [2024-11-13 12:51:31,712 INFO L175 Difference]: Start difference. First operand has 974 places, 998 transitions, 2111 flow. Second operand 3 states and 3235 transitions. [2024-11-13 12:51:31,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 965 places, 1003 transitions, 2161 flow [2024-11-13 12:51:31,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 964 places, 1003 transitions, 2153 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 12:51:31,728 INFO L231 Difference]: Finished difference. Result has 966 places, 999 transitions, 2117 flow [2024-11-13 12:51:31,729 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2103, PETRI_DIFFERENCE_MINUEND_PLACES=962, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=998, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=996, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2117, PETRI_PLACES=966, PETRI_TRANSITIONS=999} [2024-11-13 12:51:31,730 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -70 predicate places. [2024-11-13 12:51:31,730 INFO L471 AbstractCegarLoop]: Abstraction has has 966 places, 999 transitions, 2117 flow [2024-11-13 12:51:31,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:31,731 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:31,731 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:31,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 12:51:31,732 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:31,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:31,732 INFO L85 PathProgramCache]: Analyzing trace with hash 449358275, now seen corresponding path program 1 times [2024-11-13 12:51:31,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:31,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959908700] [2024-11-13 12:51:31,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:31,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:31,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:31,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:31,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959908700] [2024-11-13 12:51:31,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959908700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:31,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:31,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:31,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889770376] [2024-11-13 12:51:31,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:31,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:31,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:31,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:31,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:31,848 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1051 out of 1106 [2024-11-13 12:51:31,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 966 places, 999 transitions, 2117 flow. Second operand has 3 states, 3 states have (on average 1052.6666666666667) internal successors, (3158), 3 states have internal predecessors, (3158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:31,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:31,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1051 of 1106 [2024-11-13 12:51:31,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:34,975 INFO L124 PetriNetUnfolderBase]: 488/9044 cut-off events. [2024-11-13 12:51:34,975 INFO L125 PetriNetUnfolderBase]: For 6/42 co-relation queries the response was YES. [2024-11-13 12:51:35,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9831 conditions, 9044 events. 488/9044 cut-off events. For 6/42 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 83191 event pairs, 14 based on Foata normal form. 2/7653 useless extension candidates. Maximal degree in co-relation 8206. Up to 166 conditions per place. [2024-11-13 12:51:35,184 INFO L140 encePairwiseOnDemand]: 1089/1106 looper letters, 23 selfloop transitions, 9 changer transitions 0/997 dead transitions. [2024-11-13 12:51:35,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 960 places, 997 transitions, 2179 flow [2024-11-13 12:51:35,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:35,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:35,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3193 transitions. [2024-11-13 12:51:35,187 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9623267028330319 [2024-11-13 12:51:35,187 INFO L175 Difference]: Start difference. First operand has 966 places, 999 transitions, 2117 flow. Second operand 3 states and 3193 transitions. [2024-11-13 12:51:35,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 960 places, 997 transitions, 2179 flow [2024-11-13 12:51:35,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 997 transitions, 2177 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 12:51:35,202 INFO L231 Difference]: Finished difference. Result has 961 places, 995 transitions, 2151 flow [2024-11-13 12:51:35,203 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2099, PETRI_DIFFERENCE_MINUEND_PLACES=957, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=991, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=982, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2151, PETRI_PLACES=961, PETRI_TRANSITIONS=995} [2024-11-13 12:51:35,204 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -75 predicate places. [2024-11-13 12:51:35,204 INFO L471 AbstractCegarLoop]: Abstraction has has 961 places, 995 transitions, 2151 flow [2024-11-13 12:51:35,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1052.6666666666667) internal successors, (3158), 3 states have internal predecessors, (3158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:35,205 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:35,205 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:35,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 12:51:35,205 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:35,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:35,206 INFO L85 PathProgramCache]: Analyzing trace with hash -971239603, now seen corresponding path program 1 times [2024-11-13 12:51:35,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:35,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5086363] [2024-11-13 12:51:35,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:35,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:35,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:35,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5086363] [2024-11-13 12:51:35,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5086363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:35,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:35,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:35,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402005627] [2024-11-13 12:51:35,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:35,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:35,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:35,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:35,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:35,322 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1066 out of 1106 [2024-11-13 12:51:35,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 961 places, 995 transitions, 2151 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:35,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:35,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1066 of 1106 [2024-11-13 12:51:35,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:37,251 INFO L124 PetriNetUnfolderBase]: 259/4215 cut-off events. [2024-11-13 12:51:37,252 INFO L125 PetriNetUnfolderBase]: For 202/224 co-relation queries the response was YES. [2024-11-13 12:51:37,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4739 conditions, 4215 events. 259/4215 cut-off events. For 202/224 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 33593 event pairs, 60 based on Foata normal form. 1/3547 useless extension candidates. Maximal degree in co-relation 3938. Up to 212 conditions per place. [2024-11-13 12:51:37,399 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 20 selfloop transitions, 3 changer transitions 0/996 dead transitions. [2024-11-13 12:51:37,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 962 places, 996 transitions, 2201 flow [2024-11-13 12:51:37,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:37,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3218 transitions. [2024-11-13 12:51:37,404 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9698613622664256 [2024-11-13 12:51:37,404 INFO L175 Difference]: Start difference. First operand has 961 places, 995 transitions, 2151 flow. Second operand 3 states and 3218 transitions. [2024-11-13 12:51:37,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 962 places, 996 transitions, 2201 flow [2024-11-13 12:51:37,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 996 transitions, 2183 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:51:37,423 INFO L231 Difference]: Finished difference. Result has 960 places, 994 transitions, 2137 flow [2024-11-13 12:51:37,424 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2131, PETRI_DIFFERENCE_MINUEND_PLACES=958, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=994, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=991, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2137, PETRI_PLACES=960, PETRI_TRANSITIONS=994} [2024-11-13 12:51:37,425 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -76 predicate places. [2024-11-13 12:51:37,425 INFO L471 AbstractCegarLoop]: Abstraction has has 960 places, 994 transitions, 2137 flow [2024-11-13 12:51:37,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:37,426 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:37,426 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:37,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 12:51:37,426 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:37,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:37,427 INFO L85 PathProgramCache]: Analyzing trace with hash -246303080, now seen corresponding path program 1 times [2024-11-13 12:51:37,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:37,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502755384] [2024-11-13 12:51:37,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:37,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:37,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:37,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502755384] [2024-11-13 12:51:37,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502755384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:37,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:37,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:37,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953299899] [2024-11-13 12:51:37,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:37,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:37,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:37,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:37,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:37,568 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-13 12:51:37,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 960 places, 994 transitions, 2137 flow. Second operand has 3 states, 3 states have (on average 1065.0) internal successors, (3195), 3 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:37,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:37,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-13 12:51:37,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:40,731 INFO L124 PetriNetUnfolderBase]: 367/7045 cut-off events. [2024-11-13 12:51:40,732 INFO L125 PetriNetUnfolderBase]: For 97/135 co-relation queries the response was YES. [2024-11-13 12:51:40,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7758 conditions, 7045 events. 367/7045 cut-off events. For 97/135 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 67997 event pairs, 48 based on Foata normal form. 2/5984 useless extension candidates. Maximal degree in co-relation 6189. Up to 147 conditions per place. [2024-11-13 12:51:41,031 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 24 selfloop transitions, 3 changer transitions 0/995 dead transitions. [2024-11-13 12:51:41,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 961 places, 995 transitions, 2195 flow [2024-11-13 12:51:41,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:41,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-13 12:51:41,038 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9683544303797469 [2024-11-13 12:51:41,038 INFO L175 Difference]: Start difference. First operand has 960 places, 994 transitions, 2137 flow. Second operand 3 states and 3213 transitions. [2024-11-13 12:51:41,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 961 places, 995 transitions, 2195 flow [2024-11-13 12:51:41,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 995 transitions, 2189 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:51:41,061 INFO L231 Difference]: Finished difference. Result has 959 places, 993 transitions, 2135 flow [2024-11-13 12:51:41,062 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2129, PETRI_DIFFERENCE_MINUEND_PLACES=957, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=990, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2135, PETRI_PLACES=959, PETRI_TRANSITIONS=993} [2024-11-13 12:51:41,063 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -77 predicate places. [2024-11-13 12:51:41,063 INFO L471 AbstractCegarLoop]: Abstraction has has 959 places, 993 transitions, 2135 flow [2024-11-13 12:51:41,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.0) internal successors, (3195), 3 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:41,064 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:41,065 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:41,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 12:51:41,065 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:41,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:41,066 INFO L85 PathProgramCache]: Analyzing trace with hash 841840618, now seen corresponding path program 1 times [2024-11-13 12:51:41,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:41,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874878095] [2024-11-13 12:51:41,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:41,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:41,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:41,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874878095] [2024-11-13 12:51:41,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874878095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:41,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:41,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:51:41,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445343303] [2024-11-13 12:51:41,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:41,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:41,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:41,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:41,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:41,203 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1072 out of 1106 [2024-11-13 12:51:41,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 959 places, 993 transitions, 2135 flow. Second operand has 3 states, 3 states have (on average 1074.6666666666667) internal successors, (3224), 3 states have internal predecessors, (3224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:41,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:41,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1072 of 1106 [2024-11-13 12:51:41,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:51:43,833 INFO L124 PetriNetUnfolderBase]: 267/5679 cut-off events. [2024-11-13 12:51:43,833 INFO L125 PetriNetUnfolderBase]: For 14/70 co-relation queries the response was YES. [2024-11-13 12:51:44,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6074 conditions, 5679 events. 267/5679 cut-off events. For 14/70 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 50446 event pairs, 10 based on Foata normal form. 0/4793 useless extension candidates. Maximal degree in co-relation 4921. Up to 89 conditions per place. [2024-11-13 12:51:44,194 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 15 selfloop transitions, 2 changer transitions 0/997 dead transitions. [2024-11-13 12:51:44,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 961 places, 997 transitions, 2180 flow [2024-11-13 12:51:44,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:51:44,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:51:44,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3234 transitions. [2024-11-13 12:51:44,198 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9746835443037974 [2024-11-13 12:51:44,198 INFO L175 Difference]: Start difference. First operand has 959 places, 993 transitions, 2135 flow. Second operand 3 states and 3234 transitions. [2024-11-13 12:51:44,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 961 places, 997 transitions, 2180 flow [2024-11-13 12:51:44,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 997 transitions, 2174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:51:44,215 INFO L231 Difference]: Finished difference. Result has 961 places, 994 transitions, 2143 flow [2024-11-13 12:51:44,217 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2129, PETRI_DIFFERENCE_MINUEND_PLACES=957, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=991, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2143, PETRI_PLACES=961, PETRI_TRANSITIONS=994} [2024-11-13 12:51:44,218 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -75 predicate places. [2024-11-13 12:51:44,218 INFO L471 AbstractCegarLoop]: Abstraction has has 961 places, 994 transitions, 2143 flow [2024-11-13 12:51:44,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.6666666666667) internal successors, (3224), 3 states have internal predecessors, (3224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:44,218 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:51:44,219 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:44,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 12:51:44,219 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-13 12:51:44,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:44,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1313715800, now seen corresponding path program 1 times [2024-11-13 12:51:44,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:44,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269082593] [2024-11-13 12:51:44,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:44,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:51:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:44,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:51:44,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:51:44,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269082593] [2024-11-13 12:51:44,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269082593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:44,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:51:44,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:51:44,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700153698] [2024-11-13 12:51:44,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:44,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:51:44,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:44,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:51:44,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:51:44,333 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1051 out of 1106 [2024-11-13 12:51:44,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 961 places, 994 transitions, 2143 flow. Second operand has 3 states, 3 states have (on average 1053.0) internal successors, (3159), 3 states have internal predecessors, (3159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:51:44,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:51:44,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1051 of 1106 [2024-11-13 12:51:44,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand