./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:33:41,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:33:41,681 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:33:41,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:33:41,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:33:41,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:33:41,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:33:41,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:33:41,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:33:41,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:33:41,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:33:41,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:33:41,709 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:33:41,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:33:41,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:33:41,709 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:33:41,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:33:41,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:33:41,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:33:41,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:33:41,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:33:41,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:33:41,709 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:33:41,710 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:33:41,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:33:41,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:33:41,710 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 [2025-02-08 05:33:41,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:33:41,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:33:41,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:33:41,962 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:33:41,962 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:33:41,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2025-02-08 05:33:43,124 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/920ff8c22/1580e6f83c3f47cf874a75e53c29b6be/FLAGe336dd8ab [2025-02-08 05:33:43,391 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:33:43,392 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2025-02-08 05:33:43,406 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/920ff8c22/1580e6f83c3f47cf874a75e53c29b6be/FLAGe336dd8ab [2025-02-08 05:33:43,672 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/920ff8c22/1580e6f83c3f47cf874a75e53c29b6be [2025-02-08 05:33:43,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:33:43,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:33:43,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:33:43,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:33:43,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:33:43,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:33:43" (1/1) ... [2025-02-08 05:33:43,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4608ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:43, skipping insertion in model container [2025-02-08 05:33:43,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:33:43" (1/1) ... [2025-02-08 05:33:43,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:33:43,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:33:43,964 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:33:43,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:33:44,014 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:33:44,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44 WrapperNode [2025-02-08 05:33:44,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:33:44,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:33:44,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:33:44,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:33:44,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44" (1/1) ... [2025-02-08 05:33:44,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44" (1/1) ... [2025-02-08 05:33:44,049 INFO L138 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 171 [2025-02-08 05:33:44,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:33:44,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:33:44,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:33:44,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:33:44,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44" (1/1) ... [2025-02-08 05:33:44,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44" (1/1) ... [2025-02-08 05:33:44,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44" (1/1) ... [2025-02-08 05:33:44,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44" (1/1) ... [2025-02-08 05:33:44,064 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44" (1/1) ... [2025-02-08 05:33:44,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44" (1/1) ... [2025-02-08 05:33:44,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44" (1/1) ... [2025-02-08 05:33:44,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44" (1/1) ... [2025-02-08 05:33:44,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:33:44,069 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:33:44,069 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:33:44,069 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:33:44,070 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44" (1/1) ... [2025-02-08 05:33:44,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:33:44,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:33:44,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:33:44,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:33:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-08 05:33:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2025-02-08 05:33:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2025-02-08 05:33:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-08 05:33:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:33:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:33:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:33:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:33:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:33:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:33:44,113 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 05:33:44,200 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:33:44,202 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:33:44,376 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: havoc main_#t~post23#1; [2025-02-08 05:33:44,376 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-2: main_~i~0#1 := 1 + main_#t~post23#1; [2025-02-08 05:33:44,377 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-3: main_#t~post23#1 := main_~i~0#1; [2025-02-08 05:33:44,377 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L750: havoc main_#t~ret22#1; [2025-02-08 05:33:44,377 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L750-1: assume { :end_inline_pqueue_put } true;assume -2147483648 <= main_#t~ret22#1 && main_#t~ret22#1 <= 2147483647; [2025-02-08 05:33:44,377 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L750-2: havoc pqueue_put_#in~qp#1.base, pqueue_put_#in~qp#1.offset; [2025-02-08 05:33:44,377 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L750-3: havoc pqueue_put_#t~ret2#1, pqueue_put_#t~mem3#1, pqueue_put_#t~mem4#1, pqueue_put_#t~post5#1, pqueue_put_#t~nondet6#1, pqueue_put_#t~ret7#1, pqueue_put_~qp#1.base, pqueue_put_~qp#1.offset; [2025-02-08 05:33:44,377 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L750-4: main_#t~ret22#1 := pqueue_put_#res#1; [2025-02-08 05:33:44,513 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739: havoc #t~ret18#1; [2025-02-08 05:33:44,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-1: assume { :end_inline_pqueue_get } true;assume -2147483648 <= #t~ret18#1 && #t~ret18#1 <= 2147483647; [2025-02-08 05:33:44,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-2: havoc pqueue_get_#in~qp#1.base, pqueue_get_#in~qp#1.offset; [2025-02-08 05:33:44,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-3: havoc pqueue_get_#t~ret8#1, pqueue_get_#t~mem9#1, pqueue_get_#t~mem10#1, pqueue_get_#t~mem11#1, pqueue_get_#t~mem12#1, pqueue_get_#t~mem13#1, pqueue_get_#t~post14#1, pqueue_get_#t~nondet15#1, pqueue_get_#t~ret16#1, pqueue_get_#t~ret17#1, pqueue_get_~qp#1.base, pqueue_get_~qp#1.offset, pqueue_get_~got~0#1; [2025-02-08 05:33:44,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-4: #t~ret18#1 := pqueue_get_#res#1; [2025-02-08 05:33:44,517 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:33:44,517 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:33:44,543 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:33:44,543 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:33:44,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:33:44 BoogieIcfgContainer [2025-02-08 05:33:44,544 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:33:44,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:33:44,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:33:44,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:33:44,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:33:43" (1/3) ... [2025-02-08 05:33:44,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2748c2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:33:44, skipping insertion in model container [2025-02-08 05:33:44,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:44" (2/3) ... [2025-02-08 05:33:44,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2748c2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:33:44, skipping insertion in model container [2025-02-08 05:33:44,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:33:44" (3/3) ... [2025-02-08 05:33:44,550 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2025-02-08 05:33:44,560 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:33:44,561 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i that has 2 procedures, 187 locations, 1 initial locations, 3 loop locations, and 10 error locations. [2025-02-08 05:33:44,562 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:33:44,626 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 05:33:44,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 194 transitions, 392 flow [2025-02-08 05:33:44,738 INFO L124 PetriNetUnfolderBase]: 8/193 cut-off events. [2025-02-08 05:33:44,741 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:33:44,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 193 events. 8/193 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 359 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 149. Up to 2 conditions per place. [2025-02-08 05:33:44,747 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 194 transitions, 392 flow [2025-02-08 05:33:44,754 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 189 places, 193 transitions, 389 flow [2025-02-08 05:33:44,763 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:33:44,773 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;@785dc456, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:33:44,773 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2025-02-08 05:33:44,785 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:33:44,785 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2025-02-08 05:33:44,785 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:33:44,785 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:44,786 INFO L206 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] [2025-02-08 05:33:44,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:33:44,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:44,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1914176349, now seen corresponding path program 1 times [2025-02-08 05:33:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:44,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766547665] [2025-02-08 05:33:44,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:33:44,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:44,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 05:33:44,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 05:33:44,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:33:44,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:45,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:45,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766547665] [2025-02-08 05:33:45,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766547665] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:45,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:45,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:33:45,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470550901] [2025-02-08 05:33:45,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:45,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:33:45,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:45,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:33:45,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:33:45,586 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 194 [2025-02-08 05:33:45,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 193 transitions, 389 flow. Second operand has 6 states, 6 states have (on average 134.33333333333334) internal successors, (806), 6 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:45,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:45,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 194 [2025-02-08 05:33:45,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:45,835 INFO L124 PetriNetUnfolderBase]: 436/1700 cut-off events. [2025-02-08 05:33:45,835 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:33:45,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2545 conditions, 1700 events. 436/1700 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 11382 event pairs, 378 based on Foata normal form. 88/1603 useless extension candidates. Maximal degree in co-relation 2486. Up to 836 conditions per place. [2025-02-08 05:33:45,845 INFO L140 encePairwiseOnDemand]: 182/194 looper letters, 47 selfloop transitions, 5 changer transitions 0/180 dead transitions. [2025-02-08 05:33:45,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 180 transitions, 467 flow [2025-02-08 05:33:45,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:33:45,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:33:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 857 transitions. [2025-02-08 05:33:45,860 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7362542955326461 [2025-02-08 05:33:45,862 INFO L175 Difference]: Start difference. First operand has 189 places, 193 transitions, 389 flow. Second operand 6 states and 857 transitions. [2025-02-08 05:33:45,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 180 transitions, 467 flow [2025-02-08 05:33:45,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 180 transitions, 466 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 05:33:45,869 INFO L231 Difference]: Finished difference. Result has 185 places, 180 transitions, 372 flow [2025-02-08 05:33:45,871 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=372, PETRI_PLACES=185, PETRI_TRANSITIONS=180} [2025-02-08 05:33:45,873 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, -4 predicate places. [2025-02-08 05:33:45,873 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 180 transitions, 372 flow [2025-02-08 05:33:45,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 134.33333333333334) internal successors, (806), 6 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:45,874 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:45,874 INFO L206 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] [2025-02-08 05:33:45,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:33:45,874 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:33:45,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:45,874 INFO L85 PathProgramCache]: Analyzing trace with hash -878253593, now seen corresponding path program 1 times [2025-02-08 05:33:45,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:45,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951519151] [2025-02-08 05:33:45,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:33:45,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:45,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 05:33:45,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 05:33:45,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:33:45,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:46,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:46,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951519151] [2025-02-08 05:33:46,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951519151] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:46,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:46,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:33:46,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365821292] [2025-02-08 05:33:46,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:46,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:33:46,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:46,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:33:46,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:33:46,494 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 194 [2025-02-08 05:33:46,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 180 transitions, 372 flow. Second operand has 6 states, 6 states have (on average 137.16666666666666) internal successors, (823), 6 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:46,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:46,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 194 [2025-02-08 05:33:46,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:46,771 INFO L124 PetriNetUnfolderBase]: 451/1474 cut-off events. [2025-02-08 05:33:46,771 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:33:46,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2426 conditions, 1474 events. 451/1474 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 9652 event pairs, 59 based on Foata normal form. 0/1370 useless extension candidates. Maximal degree in co-relation 2382. Up to 524 conditions per place. [2025-02-08 05:33:46,780 INFO L140 encePairwiseOnDemand]: 159/194 looper letters, 75 selfloop transitions, 42 changer transitions 0/246 dead transitions. [2025-02-08 05:33:46,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 246 transitions, 738 flow [2025-02-08 05:33:46,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:33:46,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:33:46,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 932 transitions. [2025-02-08 05:33:46,782 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8006872852233677 [2025-02-08 05:33:46,782 INFO L175 Difference]: Start difference. First operand has 185 places, 180 transitions, 372 flow. Second operand 6 states and 932 transitions. [2025-02-08 05:33:46,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 246 transitions, 738 flow [2025-02-08 05:33:46,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 246 transitions, 728 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-08 05:33:46,789 INFO L231 Difference]: Finished difference. Result has 190 places, 222 transitions, 684 flow [2025-02-08 05:33:46,789 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=684, PETRI_PLACES=190, PETRI_TRANSITIONS=222} [2025-02-08 05:33:46,790 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 1 predicate places. [2025-02-08 05:33:46,790 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 222 transitions, 684 flow [2025-02-08 05:33:46,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 137.16666666666666) internal successors, (823), 6 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:46,791 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:46,791 INFO L206 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] [2025-02-08 05:33:46,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:33:46,791 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:33:46,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:46,792 INFO L85 PathProgramCache]: Analyzing trace with hash 2060490244, now seen corresponding path program 1 times [2025-02-08 05:33:46,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:46,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563588264] [2025-02-08 05:33:46,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:33:46,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:46,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 05:33:46,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 05:33:46,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:33:46,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:47,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:47,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563588264] [2025-02-08 05:33:47,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563588264] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:47,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:47,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:33:47,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94543568] [2025-02-08 05:33:47,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:47,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:33:47,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:47,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:33:47,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:33:47,404 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 194 [2025-02-08 05:33:47,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 222 transitions, 684 flow. Second operand has 6 states, 6 states have (on average 155.16666666666666) internal successors, (931), 6 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:47,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:47,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 194 [2025-02-08 05:33:47,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:47,651 INFO L124 PetriNetUnfolderBase]: 373/1592 cut-off events. [2025-02-08 05:33:47,651 INFO L125 PetriNetUnfolderBase]: For 494/582 co-relation queries the response was YES. [2025-02-08 05:33:47,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3032 conditions, 1592 events. 373/1592 cut-off events. For 494/582 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 10892 event pairs, 62 based on Foata normal form. 20/1513 useless extension candidates. Maximal degree in co-relation 2975. Up to 489 conditions per place. [2025-02-08 05:33:47,661 INFO L140 encePairwiseOnDemand]: 177/194 looper letters, 61 selfloop transitions, 31 changer transitions 0/264 dead transitions. [2025-02-08 05:33:47,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 264 transitions, 970 flow [2025-02-08 05:33:47,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:33:47,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:33:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 995 transitions. [2025-02-08 05:33:47,665 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8548109965635738 [2025-02-08 05:33:47,665 INFO L175 Difference]: Start difference. First operand has 190 places, 222 transitions, 684 flow. Second operand 6 states and 995 transitions. [2025-02-08 05:33:47,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 264 transitions, 970 flow [2025-02-08 05:33:47,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 264 transitions, 970 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 05:33:47,675 INFO L231 Difference]: Finished difference. Result has 200 places, 248 transitions, 910 flow [2025-02-08 05:33:47,675 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=910, PETRI_PLACES=200, PETRI_TRANSITIONS=248} [2025-02-08 05:33:47,676 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 11 predicate places. [2025-02-08 05:33:47,677 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 248 transitions, 910 flow [2025-02-08 05:33:47,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 155.16666666666666) internal successors, (931), 6 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:47,677 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:47,677 INFO L206 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] [2025-02-08 05:33:47,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:33:47,678 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:33:47,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:47,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1791047766, now seen corresponding path program 1 times [2025-02-08 05:33:47,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:47,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631608196] [2025-02-08 05:33:47,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:33:47,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:47,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 05:33:47,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 05:33:47,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:33:47,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:47,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:47,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631608196] [2025-02-08 05:33:47,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631608196] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:47,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:47,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:33:47,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962403946] [2025-02-08 05:33:47,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:47,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:33:47,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:47,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:33:47,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:33:48,124 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 194 [2025-02-08 05:33:48,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 248 transitions, 910 flow. Second operand has 6 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:48,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:48,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 194 [2025-02-08 05:33:48,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:48,801 INFO L124 PetriNetUnfolderBase]: 1178/4094 cut-off events. [2025-02-08 05:33:48,802 INFO L125 PetriNetUnfolderBase]: For 2111/2247 co-relation queries the response was YES. [2025-02-08 05:33:48,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9406 conditions, 4094 events. 1178/4094 cut-off events. For 2111/2247 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 32829 event pairs, 489 based on Foata normal form. 20/3848 useless extension candidates. Maximal degree in co-relation 9344. Up to 2082 conditions per place. [2025-02-08 05:33:48,822 INFO L140 encePairwiseOnDemand]: 164/194 looper letters, 115 selfloop transitions, 148 changer transitions 8/403 dead transitions. [2025-02-08 05:33:48,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 403 transitions, 2136 flow [2025-02-08 05:33:48,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:33:48,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:33:48,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 965 transitions. [2025-02-08 05:33:48,826 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8290378006872853 [2025-02-08 05:33:48,826 INFO L175 Difference]: Start difference. First operand has 200 places, 248 transitions, 910 flow. Second operand 6 states and 965 transitions. [2025-02-08 05:33:48,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 403 transitions, 2136 flow [2025-02-08 05:33:48,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 403 transitions, 2136 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 05:33:48,843 INFO L231 Difference]: Finished difference. Result has 210 places, 390 transitions, 2266 flow [2025-02-08 05:33:48,844 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=910, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2266, PETRI_PLACES=210, PETRI_TRANSITIONS=390} [2025-02-08 05:33:48,845 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 21 predicate places. [2025-02-08 05:33:48,845 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 390 transitions, 2266 flow [2025-02-08 05:33:48,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:48,846 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:48,846 INFO L206 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] [2025-02-08 05:33:48,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:33:48,847 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:33:48,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:48,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1216762662, now seen corresponding path program 1 times [2025-02-08 05:33:48,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:48,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490839394] [2025-02-08 05:33:48,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:33:48,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:48,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 05:33:48,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 05:33:48,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:33:48,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:49,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:49,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490839394] [2025-02-08 05:33:49,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490839394] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:49,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:49,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:33:49,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640324046] [2025-02-08 05:33:49,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:49,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:33:49,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:49,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:33:49,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:33:49,851 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:33:49,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 390 transitions, 2266 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:49,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:49,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:33:49,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:50,441 INFO L124 PetriNetUnfolderBase]: 1031/4893 cut-off events. [2025-02-08 05:33:50,442 INFO L125 PetriNetUnfolderBase]: For 3597/4002 co-relation queries the response was YES. [2025-02-08 05:33:50,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11605 conditions, 4893 events. 1031/4893 cut-off events. For 3597/4002 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 46461 event pairs, 43 based on Foata normal form. 1/4692 useless extension candidates. Maximal degree in co-relation 11540. Up to 1002 conditions per place. [2025-02-08 05:33:50,466 INFO L140 encePairwiseOnDemand]: 184/194 looper letters, 26 selfloop transitions, 10 changer transitions 5/417 dead transitions. [2025-02-08 05:33:50,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 417 transitions, 2402 flow [2025-02-08 05:33:50,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:33:50,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:33:50,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1418 transitions. [2025-02-08 05:33:50,469 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.913659793814433 [2025-02-08 05:33:50,469 INFO L175 Difference]: Start difference. First operand has 210 places, 390 transitions, 2266 flow. Second operand 8 states and 1418 transitions. [2025-02-08 05:33:50,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 417 transitions, 2402 flow [2025-02-08 05:33:50,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 417 transitions, 2280 flow, removed 61 selfloop flow, removed 0 redundant places. [2025-02-08 05:33:50,491 INFO L231 Difference]: Finished difference. Result has 222 places, 398 transitions, 2215 flow [2025-02-08 05:33:50,491 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2144, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2215, PETRI_PLACES=222, PETRI_TRANSITIONS=398} [2025-02-08 05:33:50,492 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 33 predicate places. [2025-02-08 05:33:50,492 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 398 transitions, 2215 flow [2025-02-08 05:33:50,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:50,494 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:50,495 INFO L206 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] [2025-02-08 05:33:50,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 05:33:50,495 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:33:50,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:50,496 INFO L85 PathProgramCache]: Analyzing trace with hash -2110392500, now seen corresponding path program 2 times [2025-02-08 05:33:50,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:50,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112376757] [2025-02-08 05:33:50,496 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:33:50,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:50,512 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 86 statements into 1 equivalence classes. [2025-02-08 05:33:50,524 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 05:33:50,524 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 05:33:50,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:50,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:50,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:50,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112376757] [2025-02-08 05:33:50,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112376757] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:50,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:50,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:33:50,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228130581] [2025-02-08 05:33:50,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:50,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:33:50,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:50,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:33:50,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:33:51,445 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:33:51,447 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 398 transitions, 2215 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:51,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:51,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:33:51,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:51,935 INFO L124 PetriNetUnfolderBase]: 1037/5275 cut-off events. [2025-02-08 05:33:51,936 INFO L125 PetriNetUnfolderBase]: For 3995/4328 co-relation queries the response was YES. [2025-02-08 05:33:51,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12623 conditions, 5275 events. 1037/5275 cut-off events. For 3995/4328 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 51161 event pairs, 37 based on Foata normal form. 24/5088 useless extension candidates. Maximal degree in co-relation 12551. Up to 1148 conditions per place. [2025-02-08 05:33:51,971 INFO L140 encePairwiseOnDemand]: 184/194 looper letters, 23 selfloop transitions, 18 changer transitions 4/421 dead transitions. [2025-02-08 05:33:51,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 421 transitions, 2398 flow [2025-02-08 05:33:51,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:33:51,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:33:51,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1414 transitions. [2025-02-08 05:33:51,974 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9110824742268041 [2025-02-08 05:33:51,974 INFO L175 Difference]: Start difference. First operand has 222 places, 398 transitions, 2215 flow. Second operand 8 states and 1414 transitions. [2025-02-08 05:33:51,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 421 transitions, 2398 flow [2025-02-08 05:33:51,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 421 transitions, 2392 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:33:51,996 INFO L231 Difference]: Finished difference. Result has 230 places, 403 transitions, 2291 flow [2025-02-08 05:33:51,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2212, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2291, PETRI_PLACES=230, PETRI_TRANSITIONS=403} [2025-02-08 05:33:51,998 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 41 predicate places. [2025-02-08 05:33:51,999 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 403 transitions, 2291 flow [2025-02-08 05:33:51,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:51,999 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:52,000 INFO L206 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] [2025-02-08 05:33:52,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 05:33:52,000 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:33:52,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:52,000 INFO L85 PathProgramCache]: Analyzing trace with hash 283918304, now seen corresponding path program 3 times [2025-02-08 05:33:52,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:52,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803905846] [2025-02-08 05:33:52,001 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 05:33:52,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:52,012 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 86 statements into 1 equivalence classes. [2025-02-08 05:33:52,024 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 05:33:52,024 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 05:33:52,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:52,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:52,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803905846] [2025-02-08 05:33:52,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803905846] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:52,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:52,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:33:52,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740252680] [2025-02-08 05:33:52,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:52,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:33:52,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:52,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:33:52,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:33:52,830 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:33:52,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 403 transitions, 2291 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:52,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:52,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:33:52,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:53,374 INFO L124 PetriNetUnfolderBase]: 1023/5198 cut-off events. [2025-02-08 05:33:53,375 INFO L125 PetriNetUnfolderBase]: For 4758/5159 co-relation queries the response was YES. [2025-02-08 05:33:53,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13032 conditions, 5198 events. 1023/5198 cut-off events. For 4758/5159 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 50298 event pairs, 32 based on Foata normal form. 31/5021 useless extension candidates. Maximal degree in co-relation 12957. Up to 1098 conditions per place. [2025-02-08 05:33:53,396 INFO L140 encePairwiseOnDemand]: 184/194 looper letters, 30 selfloop transitions, 14 changer transitions 8/428 dead transitions. [2025-02-08 05:33:53,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 428 transitions, 2539 flow [2025-02-08 05:33:53,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:33:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:33:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1417 transitions. [2025-02-08 05:33:53,399 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9130154639175257 [2025-02-08 05:33:53,399 INFO L175 Difference]: Start difference. First operand has 230 places, 403 transitions, 2291 flow. Second operand 8 states and 1417 transitions. [2025-02-08 05:33:53,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 428 transitions, 2539 flow [2025-02-08 05:33:53,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 428 transitions, 2498 flow, removed 3 selfloop flow, removed 4 redundant places. [2025-02-08 05:33:53,419 INFO L231 Difference]: Finished difference. Result has 238 places, 407 transitions, 2356 flow [2025-02-08 05:33:53,419 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2264, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2356, PETRI_PLACES=238, PETRI_TRANSITIONS=407} [2025-02-08 05:33:53,420 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 49 predicate places. [2025-02-08 05:33:53,420 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 407 transitions, 2356 flow [2025-02-08 05:33:53,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:53,421 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:53,421 INFO L206 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] [2025-02-08 05:33:53,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 05:33:53,421 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:33:53,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:53,422 INFO L85 PathProgramCache]: Analyzing trace with hash 444083996, now seen corresponding path program 4 times [2025-02-08 05:33:53,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:53,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142831096] [2025-02-08 05:33:53,422 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 05:33:53,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:53,432 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 86 statements into 2 equivalence classes. [2025-02-08 05:33:53,437 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 78 of 86 statements. [2025-02-08 05:33:53,437 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-02-08 05:33:53,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:53,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:53,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:53,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142831096] [2025-02-08 05:33:53,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142831096] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:53,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:53,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:33:53,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329556653] [2025-02-08 05:33:53,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:53,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:33:53,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:53,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:33:53,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:33:54,263 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:33:54,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 407 transitions, 2356 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:54,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:54,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:33:54,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:55,001 INFO L124 PetriNetUnfolderBase]: 1493/7671 cut-off events. [2025-02-08 05:33:55,001 INFO L125 PetriNetUnfolderBase]: For 8440/9049 co-relation queries the response was YES. [2025-02-08 05:33:55,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19306 conditions, 7671 events. 1493/7671 cut-off events. For 8440/9049 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 81840 event pairs, 55 based on Foata normal form. 35/7392 useless extension candidates. Maximal degree in co-relation 19226. Up to 1684 conditions per place. [2025-02-08 05:33:55,048 INFO L140 encePairwiseOnDemand]: 184/194 looper letters, 41 selfloop transitions, 13 changer transitions 1/431 dead transitions. [2025-02-08 05:33:55,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 431 transitions, 2666 flow [2025-02-08 05:33:55,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:33:55,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:33:55,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1412 transitions. [2025-02-08 05:33:55,051 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9097938144329897 [2025-02-08 05:33:55,051 INFO L175 Difference]: Start difference. First operand has 238 places, 407 transitions, 2356 flow. Second operand 8 states and 1412 transitions. [2025-02-08 05:33:55,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 431 transitions, 2666 flow [2025-02-08 05:33:55,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 431 transitions, 2606 flow, removed 28 selfloop flow, removed 2 redundant places. [2025-02-08 05:33:55,139 INFO L231 Difference]: Finished difference. Result has 247 places, 413 transitions, 2435 flow [2025-02-08 05:33:55,139 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2328, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2435, PETRI_PLACES=247, PETRI_TRANSITIONS=413} [2025-02-08 05:33:55,139 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 58 predicate places. [2025-02-08 05:33:55,140 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 413 transitions, 2435 flow [2025-02-08 05:33:55,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:55,140 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:55,140 INFO L206 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] [2025-02-08 05:33:55,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 05:33:55,141 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:33:55,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:55,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1634739120, now seen corresponding path program 5 times [2025-02-08 05:33:55,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:55,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378772977] [2025-02-08 05:33:55,142 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 05:33:55,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:55,153 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 86 statements into 1 equivalence classes. [2025-02-08 05:33:55,159 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 05:33:55,159 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 05:33:55,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:55,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:55,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378772977] [2025-02-08 05:33:55,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378772977] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:55,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:55,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:33:55,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913500412] [2025-02-08 05:33:55,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:55,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:33:55,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:55,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:33:55,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:33:55,878 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:33:55,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 413 transitions, 2435 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:55,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:55,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:33:55,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:56,704 INFO L124 PetriNetUnfolderBase]: 1495/7854 cut-off events. [2025-02-08 05:33:56,704 INFO L125 PetriNetUnfolderBase]: For 9018/9650 co-relation queries the response was YES. [2025-02-08 05:33:56,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19772 conditions, 7854 events. 1495/7854 cut-off events. For 9018/9650 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 84477 event pairs, 54 based on Foata normal form. 30/7558 useless extension candidates. Maximal degree in co-relation 19688. Up to 1730 conditions per place. [2025-02-08 05:33:56,746 INFO L140 encePairwiseOnDemand]: 186/194 looper letters, 38 selfloop transitions, 14 changer transitions 1/429 dead transitions. [2025-02-08 05:33:56,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 429 transitions, 2659 flow [2025-02-08 05:33:56,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:33:56,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:33:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1413 transitions. [2025-02-08 05:33:56,749 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9104381443298969 [2025-02-08 05:33:56,749 INFO L175 Difference]: Start difference. First operand has 247 places, 413 transitions, 2435 flow. Second operand 8 states and 1413 transitions. [2025-02-08 05:33:56,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 429 transitions, 2659 flow [2025-02-08 05:33:56,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 429 transitions, 2642 flow, removed 3 selfloop flow, removed 3 redundant places. [2025-02-08 05:33:56,789 INFO L231 Difference]: Finished difference. Result has 254 places, 417 transitions, 2511 flow [2025-02-08 05:33:56,790 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2422, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2511, PETRI_PLACES=254, PETRI_TRANSITIONS=417} [2025-02-08 05:33:56,791 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 65 predicate places. [2025-02-08 05:33:56,791 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 417 transitions, 2511 flow [2025-02-08 05:33:56,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:56,792 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:56,792 INFO L206 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] [2025-02-08 05:33:56,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 05:33:56,792 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:33:56,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:56,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1219701732, now seen corresponding path program 6 times [2025-02-08 05:33:56,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:56,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069365136] [2025-02-08 05:33:56,793 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 05:33:56,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:56,805 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 86 statements into 1 equivalence classes. [2025-02-08 05:33:56,814 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 05:33:56,818 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-02-08 05:33:56,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:57,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:57,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069365136] [2025-02-08 05:33:57,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069365136] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:57,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:57,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:33:57,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230777564] [2025-02-08 05:33:57,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:57,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:33:57,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:57,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:33:57,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:33:57,576 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:33:57,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 417 transitions, 2511 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:57,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:57,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:33:57,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:58,398 INFO L124 PetriNetUnfolderBase]: 1495/7931 cut-off events. [2025-02-08 05:33:58,398 INFO L125 PetriNetUnfolderBase]: For 9246/9871 co-relation queries the response was YES. [2025-02-08 05:33:58,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19980 conditions, 7931 events. 1495/7931 cut-off events. For 9246/9871 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 85484 event pairs, 47 based on Foata normal form. 41/7641 useless extension candidates. Maximal degree in co-relation 19893. Up to 1755 conditions per place. [2025-02-08 05:33:58,449 INFO L140 encePairwiseOnDemand]: 184/194 looper letters, 41 selfloop transitions, 15 changer transitions 2/434 dead transitions. [2025-02-08 05:33:58,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 434 transitions, 2767 flow [2025-02-08 05:33:58,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:33:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:33:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1416 transitions. [2025-02-08 05:33:58,453 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9123711340206185 [2025-02-08 05:33:58,453 INFO L175 Difference]: Start difference. First operand has 254 places, 417 transitions, 2511 flow. Second operand 8 states and 1416 transitions. [2025-02-08 05:33:58,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 434 transitions, 2767 flow [2025-02-08 05:33:58,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 434 transitions, 2740 flow, removed 5 selfloop flow, removed 4 redundant places. [2025-02-08 05:33:58,563 INFO L231 Difference]: Finished difference. Result has 261 places, 420 transitions, 2581 flow [2025-02-08 05:33:58,564 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2486, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2581, PETRI_PLACES=261, PETRI_TRANSITIONS=420} [2025-02-08 05:33:58,564 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 72 predicate places. [2025-02-08 05:33:58,564 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 420 transitions, 2581 flow [2025-02-08 05:33:58,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:58,565 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:58,565 INFO L206 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] [2025-02-08 05:33:58,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 05:33:58,565 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:33:58,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:58,566 INFO L85 PathProgramCache]: Analyzing trace with hash -826863854, now seen corresponding path program 7 times [2025-02-08 05:33:58,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:58,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748626692] [2025-02-08 05:33:58,566 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 05:33:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:58,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 05:33:58,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 05:33:58,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:33:58,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:58,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:58,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:58,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748626692] [2025-02-08 05:33:58,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748626692] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:58,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:58,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:33:58,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803543182] [2025-02-08 05:33:58,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:58,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:33:58,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:58,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:33:58,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:33:59,289 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:33:59,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 420 transitions, 2581 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:33:59,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:59,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:33:59,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:59,940 INFO L124 PetriNetUnfolderBase]: 1017/5887 cut-off events. [2025-02-08 05:33:59,940 INFO L125 PetriNetUnfolderBase]: For 6775/7145 co-relation queries the response was YES. [2025-02-08 05:33:59,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14602 conditions, 5887 events. 1017/5887 cut-off events. For 6775/7145 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 59489 event pairs, 32 based on Foata normal form. 16/5653 useless extension candidates. Maximal degree in co-relation 14511. Up to 1315 conditions per place. [2025-02-08 05:33:59,973 INFO L140 encePairwiseOnDemand]: 186/194 looper letters, 38 selfloop transitions, 14 changer transitions 1/429 dead transitions. [2025-02-08 05:33:59,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 429 transitions, 2743 flow [2025-02-08 05:33:59,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:33:59,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:33:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1414 transitions. [2025-02-08 05:33:59,975 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9110824742268041 [2025-02-08 05:33:59,976 INFO L175 Difference]: Start difference. First operand has 261 places, 420 transitions, 2581 flow. Second operand 8 states and 1414 transitions. [2025-02-08 05:33:59,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 429 transitions, 2743 flow [2025-02-08 05:34:00,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 429 transitions, 2720 flow, removed 7 selfloop flow, removed 3 redundant places. [2025-02-08 05:34:00,006 INFO L231 Difference]: Finished difference. Result has 268 places, 421 transitions, 2627 flow [2025-02-08 05:34:00,006 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2520, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2627, PETRI_PLACES=268, PETRI_TRANSITIONS=421} [2025-02-08 05:34:00,007 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 79 predicate places. [2025-02-08 05:34:00,007 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 421 transitions, 2627 flow [2025-02-08 05:34:00,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:00,008 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:34:00,008 INFO L206 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] [2025-02-08 05:34:00,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 05:34:00,008 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:34:00,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:34:00,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1106682860, now seen corresponding path program 8 times [2025-02-08 05:34:00,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:34:00,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300280600] [2025-02-08 05:34:00,009 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:34:00,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:34:00,019 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 86 statements into 1 equivalence classes. [2025-02-08 05:34:00,024 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 05:34:00,024 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 05:34:00,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:34:00,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:34:00,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:34:00,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300280600] [2025-02-08 05:34:00,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300280600] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:34:00,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:34:00,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:34:00,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032504914] [2025-02-08 05:34:00,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:34:00,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:34:00,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:34:00,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:34:00,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:34:00,628 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:34:00,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 421 transitions, 2627 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:00,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:34:00,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:34:00,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:34:01,184 INFO L124 PetriNetUnfolderBase]: 540/3898 cut-off events. [2025-02-08 05:34:01,185 INFO L125 PetriNetUnfolderBase]: For 3829/3973 co-relation queries the response was YES. [2025-02-08 05:34:01,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9223 conditions, 3898 events. 540/3898 cut-off events. For 3829/3973 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 36237 event pairs, 23 based on Foata normal form. 16/3743 useless extension candidates. Maximal degree in co-relation 9129. Up to 900 conditions per place. [2025-02-08 05:34:01,208 INFO L140 encePairwiseOnDemand]: 186/194 looper letters, 39 selfloop transitions, 16 changer transitions 0/431 dead transitions. [2025-02-08 05:34:01,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 431 transitions, 2809 flow [2025-02-08 05:34:01,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:34:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:34:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1408 transitions. [2025-02-08 05:34:01,211 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9072164948453608 [2025-02-08 05:34:01,211 INFO L175 Difference]: Start difference. First operand has 268 places, 421 transitions, 2627 flow. Second operand 8 states and 1408 transitions. [2025-02-08 05:34:01,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 431 transitions, 2809 flow [2025-02-08 05:34:01,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 431 transitions, 2758 flow, removed 18 selfloop flow, removed 4 redundant places. [2025-02-08 05:34:01,239 INFO L231 Difference]: Finished difference. Result has 274 places, 422 transitions, 2656 flow [2025-02-08 05:34:01,239 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2546, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2656, PETRI_PLACES=274, PETRI_TRANSITIONS=422} [2025-02-08 05:34:01,240 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 85 predicate places. [2025-02-08 05:34:01,240 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 422 transitions, 2656 flow [2025-02-08 05:34:01,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:01,240 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:34:01,240 INFO L206 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] [2025-02-08 05:34:01,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 05:34:01,240 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:34:01,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:34:01,241 INFO L85 PathProgramCache]: Analyzing trace with hash -533458366, now seen corresponding path program 9 times [2025-02-08 05:34:01,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:34:01,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19711961] [2025-02-08 05:34:01,241 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 05:34:01,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:34:01,251 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 86 statements into 1 equivalence classes. [2025-02-08 05:34:01,260 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 05:34:01,260 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 05:34:01,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:34:01,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:34:01,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:34:01,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19711961] [2025-02-08 05:34:01,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19711961] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:34:01,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:34:01,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:34:01,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624972926] [2025-02-08 05:34:01,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:34:01,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:34:01,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:34:01,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:34:01,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:34:01,853 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:34:01,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 422 transitions, 2656 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:01,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:34:01,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:34:01,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:34:02,352 INFO L124 PetriNetUnfolderBase]: 555/3994 cut-off events. [2025-02-08 05:34:02,352 INFO L125 PetriNetUnfolderBase]: For 3977/4211 co-relation queries the response was YES. [2025-02-08 05:34:02,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9515 conditions, 3994 events. 555/3994 cut-off events. For 3977/4211 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 37007 event pairs, 24 based on Foata normal form. 16/3828 useless extension candidates. Maximal degree in co-relation 9418. Up to 875 conditions per place. [2025-02-08 05:34:02,375 INFO L140 encePairwiseOnDemand]: 184/194 looper letters, 27 selfloop transitions, 31 changer transitions 6/440 dead transitions. [2025-02-08 05:34:02,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 440 transitions, 2920 flow [2025-02-08 05:34:02,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:34:02,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:34:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1412 transitions. [2025-02-08 05:34:02,377 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9097938144329897 [2025-02-08 05:34:02,377 INFO L175 Difference]: Start difference. First operand has 274 places, 422 transitions, 2656 flow. Second operand 8 states and 1412 transitions. [2025-02-08 05:34:02,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 440 transitions, 2920 flow [2025-02-08 05:34:02,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 440 transitions, 2870 flow, removed 11 selfloop flow, removed 4 redundant places. [2025-02-08 05:34:02,409 INFO L231 Difference]: Finished difference. Result has 280 places, 425 transitions, 2732 flow [2025-02-08 05:34:02,410 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2616, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2732, PETRI_PLACES=280, PETRI_TRANSITIONS=425} [2025-02-08 05:34:02,410 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 91 predicate places. [2025-02-08 05:34:02,410 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 425 transitions, 2732 flow [2025-02-08 05:34:02,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:02,411 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:34:02,411 INFO L206 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] [2025-02-08 05:34:02,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 05:34:02,411 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:34:02,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:34:02,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1098440124, now seen corresponding path program 10 times [2025-02-08 05:34:02,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:34:02,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267318658] [2025-02-08 05:34:02,411 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 05:34:02,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:34:02,419 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 86 statements into 2 equivalence classes. [2025-02-08 05:34:02,423 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 78 of 86 statements. [2025-02-08 05:34:02,423 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-02-08 05:34:02,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:34:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:34:02,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:34:02,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267318658] [2025-02-08 05:34:02,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267318658] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:34:02,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:34:02,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:34:02,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29987409] [2025-02-08 05:34:02,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:34:02,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:34:02,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:34:02,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:34:02,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:34:02,999 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:34:03,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 425 transitions, 2732 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:03,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:34:03,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:34:03,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:34:03,416 INFO L124 PetriNetUnfolderBase]: 546/4181 cut-off events. [2025-02-08 05:34:03,416 INFO L125 PetriNetUnfolderBase]: For 4478/4700 co-relation queries the response was YES. [2025-02-08 05:34:03,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10052 conditions, 4181 events. 546/4181 cut-off events. For 4478/4700 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 39874 event pairs, 19 based on Foata normal form. 21/4006 useless extension candidates. Maximal degree in co-relation 9952. Up to 971 conditions per place. [2025-02-08 05:34:03,438 INFO L140 encePairwiseOnDemand]: 186/194 looper letters, 48 selfloop transitions, 14 changer transitions 0/438 dead transitions. [2025-02-08 05:34:03,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 438 transitions, 2956 flow [2025-02-08 05:34:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:34:03,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:34:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1410 transitions. [2025-02-08 05:34:03,440 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9085051546391752 [2025-02-08 05:34:03,440 INFO L175 Difference]: Start difference. First operand has 280 places, 425 transitions, 2732 flow. Second operand 8 states and 1410 transitions. [2025-02-08 05:34:03,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 438 transitions, 2956 flow [2025-02-08 05:34:03,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 438 transitions, 2888 flow, removed 8 selfloop flow, removed 4 redundant places. [2025-02-08 05:34:03,466 INFO L231 Difference]: Finished difference. Result has 286 places, 429 transitions, 2762 flow [2025-02-08 05:34:03,466 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2674, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2762, PETRI_PLACES=286, PETRI_TRANSITIONS=429} [2025-02-08 05:34:03,467 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 97 predicate places. [2025-02-08 05:34:03,467 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 429 transitions, 2762 flow [2025-02-08 05:34:03,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:03,467 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:34:03,467 INFO L206 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] [2025-02-08 05:34:03,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 05:34:03,467 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:34:03,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:34:03,468 INFO L85 PathProgramCache]: Analyzing trace with hash -532248484, now seen corresponding path program 11 times [2025-02-08 05:34:03,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:34:03,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102218635] [2025-02-08 05:34:03,468 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 05:34:03,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:34:03,477 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 86 statements into 1 equivalence classes. [2025-02-08 05:34:03,487 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 05:34:03,488 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 05:34:03,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:34:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:34:03,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:34:03,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102218635] [2025-02-08 05:34:03,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102218635] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:34:03,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:34:03,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:34:03,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864231020] [2025-02-08 05:34:03,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:34:03,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:34:03,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:34:03,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:34:03,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:34:04,067 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:34:04,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 429 transitions, 2762 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:04,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:34:04,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:34:04,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:34:04,745 INFO L124 PetriNetUnfolderBase]: 1041/6498 cut-off events. [2025-02-08 05:34:04,745 INFO L125 PetriNetUnfolderBase]: For 7589/8038 co-relation queries the response was YES. [2025-02-08 05:34:04,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15991 conditions, 6498 events. 1041/6498 cut-off events. For 7589/8038 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 67483 event pairs, 41 based on Foata normal form. 27/6233 useless extension candidates. Maximal degree in co-relation 15888. Up to 1457 conditions per place. [2025-02-08 05:34:04,790 INFO L140 encePairwiseOnDemand]: 184/194 looper letters, 47 selfloop transitions, 23 changer transitions 0/446 dead transitions. [2025-02-08 05:34:04,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 446 transitions, 3073 flow [2025-02-08 05:34:04,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:34:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:34:04,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1411 transitions. [2025-02-08 05:34:04,792 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9091494845360825 [2025-02-08 05:34:04,792 INFO L175 Difference]: Start difference. First operand has 286 places, 429 transitions, 2762 flow. Second operand 8 states and 1411 transitions. [2025-02-08 05:34:04,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 446 transitions, 3073 flow [2025-02-08 05:34:04,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 446 transitions, 3038 flow, removed 7 selfloop flow, removed 4 redundant places. [2025-02-08 05:34:04,831 INFO L231 Difference]: Finished difference. Result has 293 places, 437 transitions, 2913 flow [2025-02-08 05:34:04,832 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2734, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2913, PETRI_PLACES=293, PETRI_TRANSITIONS=437} [2025-02-08 05:34:04,832 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 104 predicate places. [2025-02-08 05:34:04,832 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 437 transitions, 2913 flow [2025-02-08 05:34:04,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:04,833 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:34:04,833 INFO L206 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] [2025-02-08 05:34:04,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 05:34:04,833 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:34:04,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:34:04,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1808460556, now seen corresponding path program 12 times [2025-02-08 05:34:04,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:34:04,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926695423] [2025-02-08 05:34:04,834 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 05:34:04,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:34:04,841 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 86 statements into 1 equivalence classes. [2025-02-08 05:34:04,848 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 05:34:04,848 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-02-08 05:34:04,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:34:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:34:05,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:34:05,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926695423] [2025-02-08 05:34:05,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926695423] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:34:05,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:34:05,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:34:05,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957916929] [2025-02-08 05:34:05,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:34:05,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:34:05,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:34:05,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:34:05,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:34:05,401 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:34:05,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 437 transitions, 2913 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:05,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:34:05,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:34:05,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:34:06,114 INFO L124 PetriNetUnfolderBase]: 1041/6471 cut-off events. [2025-02-08 05:34:06,115 INFO L125 PetriNetUnfolderBase]: For 9554/10072 co-relation queries the response was YES. [2025-02-08 05:34:06,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16316 conditions, 6471 events. 1041/6471 cut-off events. For 9554/10072 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 66791 event pairs, 37 based on Foata normal form. 36/6218 useless extension candidates. Maximal degree in co-relation 16209. Up to 1432 conditions per place. [2025-02-08 05:34:06,146 INFO L140 encePairwiseOnDemand]: 184/194 looper letters, 54 selfloop transitions, 20 changer transitions 0/450 dead transitions. [2025-02-08 05:34:06,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 450 transitions, 3186 flow [2025-02-08 05:34:06,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:34:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:34:06,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1413 transitions. [2025-02-08 05:34:06,148 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9104381443298969 [2025-02-08 05:34:06,148 INFO L175 Difference]: Start difference. First operand has 293 places, 437 transitions, 2913 flow. Second operand 8 states and 1413 transitions. [2025-02-08 05:34:06,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 450 transitions, 3186 flow [2025-02-08 05:34:06,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 450 transitions, 3148 flow, removed 9 selfloop flow, removed 3 redundant places. [2025-02-08 05:34:06,185 INFO L231 Difference]: Finished difference. Result has 301 places, 442 transitions, 3021 flow [2025-02-08 05:34:06,185 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2876, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3021, PETRI_PLACES=301, PETRI_TRANSITIONS=442} [2025-02-08 05:34:06,186 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 112 predicate places. [2025-02-08 05:34:06,186 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 442 transitions, 3021 flow [2025-02-08 05:34:06,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:06,186 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:34:06,186 INFO L206 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] [2025-02-08 05:34:06,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-08 05:34:06,186 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:34:06,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:34:06,187 INFO L85 PathProgramCache]: Analyzing trace with hash 911147480, now seen corresponding path program 13 times [2025-02-08 05:34:06,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:34:06,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135913000] [2025-02-08 05:34:06,187 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 05:34:06,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:34:06,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 05:34:06,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 05:34:06,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:34:06,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:34:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:34:06,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:34:06,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135913000] [2025-02-08 05:34:06,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135913000] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:34:06,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:34:06,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:34:06,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045098658] [2025-02-08 05:34:06,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:34:06,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:34:06,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:34:06,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:34:06,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:34:06,683 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:34:06,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 442 transitions, 3021 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:06,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:34:06,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:34:06,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:34:07,174 INFO L124 PetriNetUnfolderBase]: 556/4491 cut-off events. [2025-02-08 05:34:07,174 INFO L125 PetriNetUnfolderBase]: For 6704/6964 co-relation queries the response was YES. [2025-02-08 05:34:07,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10972 conditions, 4491 events. 556/4491 cut-off events. For 6704/6964 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 43635 event pairs, 20 based on Foata normal form. 17/4296 useless extension candidates. Maximal degree in co-relation 10861. Up to 1017 conditions per place. [2025-02-08 05:34:07,204 INFO L140 encePairwiseOnDemand]: 186/194 looper letters, 55 selfloop transitions, 16 changer transitions 0/447 dead transitions. [2025-02-08 05:34:07,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 447 transitions, 3193 flow [2025-02-08 05:34:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:34:07,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:34:07,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1412 transitions. [2025-02-08 05:34:07,206 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9097938144329897 [2025-02-08 05:34:07,206 INFO L175 Difference]: Start difference. First operand has 301 places, 442 transitions, 3021 flow. Second operand 8 states and 1412 transitions. [2025-02-08 05:34:07,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 447 transitions, 3193 flow [2025-02-08 05:34:07,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 447 transitions, 3130 flow, removed 25 selfloop flow, removed 3 redundant places. [2025-02-08 05:34:07,240 INFO L231 Difference]: Finished difference. Result has 308 places, 443 transitions, 3037 flow [2025-02-08 05:34:07,241 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=2924, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3037, PETRI_PLACES=308, PETRI_TRANSITIONS=443} [2025-02-08 05:34:07,241 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 119 predicate places. [2025-02-08 05:34:07,241 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 443 transitions, 3037 flow [2025-02-08 05:34:07,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:07,242 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:34:07,242 INFO L206 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] [2025-02-08 05:34:07,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 05:34:07,242 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:34:07,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:34:07,242 INFO L85 PathProgramCache]: Analyzing trace with hash 504515046, now seen corresponding path program 14 times [2025-02-08 05:34:07,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:34:07,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301334287] [2025-02-08 05:34:07,242 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:34:07,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:34:07,250 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 86 statements into 1 equivalence classes. [2025-02-08 05:34:07,253 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 05:34:07,253 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 05:34:07,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:34:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:34:07,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:34:07,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301334287] [2025-02-08 05:34:07,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301334287] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:34:07,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:34:07,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:34:07,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087347934] [2025-02-08 05:34:07,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:34:07,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:34:07,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:34:07,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:34:07,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:34:07,825 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 194 [2025-02-08 05:34:07,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 443 transitions, 3037 flow. Second operand has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:07,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:34:07,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 194 [2025-02-08 05:34:07,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:34:08,110 INFO L124 PetriNetUnfolderBase]: 71/2511 cut-off events. [2025-02-08 05:34:08,110 INFO L125 PetriNetUnfolderBase]: For 2991/3028 co-relation queries the response was YES. [2025-02-08 05:34:08,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5490 conditions, 2511 events. 71/2511 cut-off events. For 2991/3028 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 23023 event pairs, 8 based on Foata normal form. 20/2396 useless extension candidates. Maximal degree in co-relation 5376. Up to 602 conditions per place. [2025-02-08 05:34:08,126 INFO L140 encePairwiseOnDemand]: 186/194 looper letters, 48 selfloop transitions, 23 changer transitions 0/232 dead transitions. [2025-02-08 05:34:08,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 232 transitions, 1625 flow [2025-02-08 05:34:08,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:34:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:34:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1406 transitions. [2025-02-08 05:34:08,128 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059278350515464 [2025-02-08 05:34:08,128 INFO L175 Difference]: Start difference. First operand has 308 places, 443 transitions, 3037 flow. Second operand 8 states and 1406 transitions. [2025-02-08 05:34:08,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 232 transitions, 1625 flow [2025-02-08 05:34:08,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 232 transitions, 1411 flow, removed 80 selfloop flow, removed 20 redundant places. [2025-02-08 05:34:08,150 INFO L231 Difference]: Finished difference. Result has 286 places, 229 transitions, 1335 flow [2025-02-08 05:34:08,151 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=1205, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1335, PETRI_PLACES=286, PETRI_TRANSITIONS=229} [2025-02-08 05:34:08,151 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 97 predicate places. [2025-02-08 05:34:08,151 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 229 transitions, 1335 flow [2025-02-08 05:34:08,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.375) internal successors, (1387), 8 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:08,151 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:34:08,152 INFO L206 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] [2025-02-08 05:34:08,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 05:34:08,152 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:34:08,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:34:08,152 INFO L85 PathProgramCache]: Analyzing trace with hash 2117421329, now seen corresponding path program 1 times [2025-02-08 05:34:08,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:34:08,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974358128] [2025-02-08 05:34:08,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:34:08,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:34:08,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 05:34:08,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 05:34:08,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:34:08,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:34:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:34:08,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:34:08,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974358128] [2025-02-08 05:34:08,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974358128] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:34:08,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:34:08,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 05:34:08,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543852968] [2025-02-08 05:34:08,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:34:08,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 05:34:08,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:34:08,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 05:34:08,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 05:34:08,637 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 194 [2025-02-08 05:34:08,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 229 transitions, 1335 flow. Second operand has 9 states, 9 states have (on average 165.0) internal successors, (1485), 9 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:08,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:34:08,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 194 [2025-02-08 05:34:08,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:34:08,811 INFO L124 PetriNetUnfolderBase]: 60/1567 cut-off events. [2025-02-08 05:34:08,811 INFO L125 PetriNetUnfolderBase]: For 2898/2957 co-relation queries the response was YES. [2025-02-08 05:34:08,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2943 conditions, 1567 events. 60/1567 cut-off events. For 2898/2957 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 11721 event pairs, 5 based on Foata normal form. 63/1570 useless extension candidates. Maximal degree in co-relation 2829. Up to 98 conditions per place. [2025-02-08 05:34:08,818 INFO L140 encePairwiseOnDemand]: 183/194 looper letters, 51 selfloop transitions, 22 changer transitions 53/263 dead transitions. [2025-02-08 05:34:08,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 263 transitions, 1946 flow [2025-02-08 05:34:08,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 05:34:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 05:34:08,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1339 transitions. [2025-02-08 05:34:08,820 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8627577319587629 [2025-02-08 05:34:08,820 INFO L175 Difference]: Start difference. First operand has 286 places, 229 transitions, 1335 flow. Second operand 8 states and 1339 transitions. [2025-02-08 05:34:08,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 263 transitions, 1946 flow [2025-02-08 05:34:08,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 263 transitions, 1866 flow, removed 19 selfloop flow, removed 8 redundant places. [2025-02-08 05:34:08,832 INFO L231 Difference]: Finished difference. Result has 289 places, 209 transitions, 1322 flow [2025-02-08 05:34:08,832 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=1262, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1322, PETRI_PLACES=289, PETRI_TRANSITIONS=209} [2025-02-08 05:34:08,833 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 100 predicate places. [2025-02-08 05:34:08,833 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 209 transitions, 1322 flow [2025-02-08 05:34:08,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 165.0) internal successors, (1485), 9 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:08,833 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:34:08,834 INFO L206 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] [2025-02-08 05:34:08,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-08 05:34:08,834 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-08 05:34:08,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:34:08,835 INFO L85 PathProgramCache]: Analyzing trace with hash -2059469864, now seen corresponding path program 1 times [2025-02-08 05:34:08,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:34:08,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974729095] [2025-02-08 05:34:08,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:34:08,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:34:08,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-02-08 05:34:08,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-02-08 05:34:08,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:34:08,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:34:09,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-08 05:34:09,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:34:09,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974729095] [2025-02-08 05:34:09,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974729095] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:34:09,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:34:09,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:34:09,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150815311] [2025-02-08 05:34:09,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:34:09,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:34:09,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:34:09,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:34:09,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:34:09,254 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 194 [2025-02-08 05:34:09,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 209 transitions, 1322 flow. Second operand has 6 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:09,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:34:09,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 194 [2025-02-08 05:34:09,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:34:09,354 INFO L124 PetriNetUnfolderBase]: 136/1193 cut-off events. [2025-02-08 05:34:09,354 INFO L125 PetriNetUnfolderBase]: For 4668/4675 co-relation queries the response was YES. [2025-02-08 05:34:09,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3159 conditions, 1193 events. 136/1193 cut-off events. For 4668/4675 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 7515 event pairs, 88 based on Foata normal form. 6/1176 useless extension candidates. Maximal degree in co-relation 3041. Up to 604 conditions per place. [2025-02-08 05:34:09,359 INFO L140 encePairwiseOnDemand]: 189/194 looper letters, 0 selfloop transitions, 0 changer transitions 208/208 dead transitions. [2025-02-08 05:34:09,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 208 transitions, 1520 flow [2025-02-08 05:34:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:34:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:34:09,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 827 transitions. [2025-02-08 05:34:09,360 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7104810996563574 [2025-02-08 05:34:09,360 INFO L175 Difference]: Start difference. First operand has 289 places, 209 transitions, 1322 flow. Second operand 6 states and 827 transitions. [2025-02-08 05:34:09,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 208 transitions, 1520 flow [2025-02-08 05:34:09,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 208 transitions, 1410 flow, removed 19 selfloop flow, removed 21 redundant places. [2025-02-08 05:34:09,369 INFO L231 Difference]: Finished difference. Result has 246 places, 0 transitions, 0 flow [2025-02-08 05:34:09,370 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=1210, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=246, PETRI_TRANSITIONS=0} [2025-02-08 05:34:09,370 INFO L279 CegarLoopForPetriNet]: 189 programPoint places, 57 predicate places. [2025-02-08 05:34:09,370 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 0 transitions, 0 flow [2025-02-08 05:34:09,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:34:09,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2025-02-08 05:34:09,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2025-02-08 05:34:09,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2025-02-08 05:34:09,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2025-02-08 05:34:09,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2025-02-08 05:34:09,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2025-02-08 05:34:09,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2025-02-08 05:34:09,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2025-02-08 05:34:09,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2025-02-08 05:34:09,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2025-02-08 05:34:09,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2025-02-08 05:34:09,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2025-02-08 05:34:09,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2025-02-08 05:34:09,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2025-02-08 05:34:09,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2025-02-08 05:34:09,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2025-02-08 05:34:09,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2025-02-08 05:34:09,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-08 05:34:09,375 INFO L422 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1, 1, 1, 1] [2025-02-08 05:34:09,379 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 05:34:09,379 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:34:09,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:34:09 BasicIcfg [2025-02-08 05:34:09,383 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:34:09,384 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:34:09,384 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:34:09,384 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:34:09,385 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:33:44" (3/4) ... [2025-02-08 05:34:09,386 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 05:34:09,389 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure worker [2025-02-08 05:34:09,391 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-02-08 05:34:09,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 05:34:09,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 05:34:09,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 05:34:09,451 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:34:09,451 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:34:09,451 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:34:09,452 INFO L158 Benchmark]: Toolchain (without parser) took 25777.77ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 109.7MB in the beginning and 979.1MB in the end (delta: -869.4MB). Peak memory consumption was 323.6MB. Max. memory is 16.1GB. [2025-02-08 05:34:09,452 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:34:09,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.50ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 89.8MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 05:34:09,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.13ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 86.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:34:09,453 INFO L158 Benchmark]: Boogie Preprocessor took 19.02ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 84.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:34:09,453 INFO L158 Benchmark]: IcfgBuilder took 474.60ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 60.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 05:34:09,453 INFO L158 Benchmark]: TraceAbstraction took 24838.02ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 60.7MB in the beginning and 983.5MB in the end (delta: -922.8MB). Peak memory consumption was 958.4MB. Max. memory is 16.1GB. [2025-02-08 05:34:09,453 INFO L158 Benchmark]: Witness Printer took 67.73ms. Allocated memory is still 1.3GB. Free memory was 983.5MB in the beginning and 979.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:34:09,454 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.50ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 89.8MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.13ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 86.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.02ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 84.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 474.60ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 60.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 24838.02ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 60.7MB in the beginning and 983.5MB in the end (delta: -922.8MB). Peak memory consumption was 958.4MB. Max. memory is 16.1GB. * Witness Printer took 67.73ms. Allocated memory is still 1.3GB. Free memory was 983.5MB in the beginning and 979.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 284 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 24.7s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 18.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9542 SdHoareTripleChecker+Valid, 8.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7247 mSDsluCounter, 8511 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8063 mSDsCounter, 304 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18279 IncrementalHoareTripleChecker+Invalid, 18583 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 304 mSolverCounterUnsat, 448 mSDtfsCounter, 18279 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3037occurred in iteration=17, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1650 NumberOfCodeBlocks, 1634 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1630 ConstructedInterpolants, 0 QuantifiedInterpolants, 6757 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 05:34:09,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE