./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 735b3cc8 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-735b3cc-m [2025-03-14 01:43:04,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 01:43:04,502 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-14 01:43:04,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-14 01:43:04,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-14 01:43:04,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 01:43:04,525 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-14 01:43:04,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-14 01:43:04,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 01:43:04,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 01:43:04,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 01:43:04,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 01:43:04,526 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 01:43:04,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 01:43:04,531 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 01:43:04,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:43:04,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 01:43:04,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 01:43:04,532 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-14 01:43:04,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-14 01:43:04,532 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 01:43:04,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 01:43:04,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 01:43:04,532 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 01:43:04,532 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-14 01:43:04,532 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-14 01:43:04,532 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/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 -> 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 [2025-03-14 01:43:04,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 01:43:04,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 01:43:04,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 01:43:04,756 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 01:43:04,756 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 01:43:04,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2025-03-14 01:43:05,900 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc82823a9/c1c1a547cb08400cbcfbbfb0312ffe4e/FLAG80e908be1 [2025-03-14 01:43:06,211 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 01:43:06,212 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2025-03-14 01:43:06,223 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc82823a9/c1c1a547cb08400cbcfbbfb0312ffe4e/FLAG80e908be1 [2025-03-14 01:43:06,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc82823a9/c1c1a547cb08400cbcfbbfb0312ffe4e [2025-03-14 01:43:06,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 01:43:06,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-14 01:43:06,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 01:43:06,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 01:43:06,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 01:43:06,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:06,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18185998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06, skipping insertion in model container [2025-03-14 01:43:06,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:06,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 01:43:06,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:43:06,612 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 01:43:06,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:43:06,748 INFO L204 MainTranslator]: Completed translation [2025-03-14 01:43:06,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06 WrapperNode [2025-03-14 01:43:06,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 01:43:06,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 01:43:06,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 01:43:06,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 01:43:06,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:06,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:06,944 INFO L138 Inliner]: procedures = 25, calls = 440, calls flagged for inlining = 101, calls inlined = 145, statements flattened = 4963 [2025-03-14 01:43:06,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 01:43:06,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 01:43:06,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 01:43:06,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 01:43:06,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:06,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:06,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:06,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:07,128 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:07,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:07,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:07,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:07,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 01:43:07,200 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-14 01:43:07,200 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-14 01:43:07,200 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-14 01:43:07,201 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06" (1/1) ... [2025-03-14 01:43:07,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:43:07,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:43:07,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-14 01:43:07,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-14 01:43:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 01:43:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-14 01:43:07,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-14 01:43:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-14 01:43:07,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-14 01:43:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-14 01:43:07,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-14 01:43:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 01:43:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-14 01:43:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-14 01:43:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-14 01:43:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-14 01:43:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 01:43:07,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 01:43:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-14 01:43:07,257 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 01:43:07,457 INFO L256 CfgBuilder]: Building ICFG [2025-03-14 01:43:07,458 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 01:43:11,203 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 01:43:11,204 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 01:43:11,204 INFO L318 CfgBuilder]: Performing block encoding [2025-03-14 01:43:16,834 WARN L177 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-14 01:43:16,837 WARN L177 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-14 01:43:16,840 WARN L177 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-14 01:43:16,842 WARN L177 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-14 01:43:16,844 WARN L177 LargeBlockEncoding]: Complex 2:38 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-14 01:43:16,974 WARN L177 LargeBlockEncoding]: Complex 2:31 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-14 01:43:17,055 WARN L177 LargeBlockEncoding]: Complex 2:31 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-14 01:43:17,204 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 01:43:17,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:43:17 BoogieIcfgContainer [2025-03-14 01:43:17,204 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-14 01:43:17,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 01:43:17,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 01:43:17,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 01:43:17,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:43:06" (1/3) ... [2025-03-14 01:43:17,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db854ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:43:17, skipping insertion in model container [2025-03-14 01:43:17,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:43:06" (2/3) ... [2025-03-14 01:43:17,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db854ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:43:17, skipping insertion in model container [2025-03-14 01:43:17,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:43:17" (3/3) ... [2025-03-14 01:43:17,211 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2025-03-14 01:43:17,222 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 01:43:17,224 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-trans.wvr.c that has 4 procedures, 1703 locations, 1 initial locations, 18 loop locations, and 753 error locations. [2025-03-14 01:43:17,224 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 01:43:19,277 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-14 01:43:19,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1712 places, 1879 transitions, 3779 flow [2025-03-14 01:43:20,224 INFO L124 PetriNetUnfolderBase]: 177/1876 cut-off events. [2025-03-14 01:43:20,227 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-14 01:43:20,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1889 conditions, 1876 events. 177/1876 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 8346 event pairs, 0 based on Foata normal form. 0/946 useless extension candidates. Maximal degree in co-relation 1467. Up to 9 conditions per place. [2025-03-14 01:43:20,264 INFO L82 GeneralOperation]: Start removeDead. Operand has 1712 places, 1879 transitions, 3779 flow [2025-03-14 01:43:20,349 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1690 places, 1855 transitions, 3728 flow [2025-03-14 01:43:20,356 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 01:43:20,367 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;@3069c427, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 01:43:20,368 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1467 error locations. [2025-03-14 01:43:20,381 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 01:43:20,381 INFO L124 PetriNetUnfolderBase]: 2/81 cut-off events. [2025-03-14 01:43:20,381 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 01:43:20,381 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:43:20,382 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] [2025-03-14 01:43:20,382 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2025-03-14 01:43:20,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:43:20,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1190898730, now seen corresponding path program 1 times [2025-03-14 01:43:20,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:43:20,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813978702] [2025-03-14 01:43:20,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:43:20,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:43:20,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-14 01:43:20,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-14 01:43:20,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:43:20,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:43:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:43:21,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:43:21,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813978702] [2025-03-14 01:43:21,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813978702] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:43:21,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:43:21,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:43:21,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574681367] [2025-03-14 01:43:21,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:43:21,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:43:21,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:43:21,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:43:21,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:43:21,878 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 821 out of 1879 [2025-03-14 01:43:21,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1690 places, 1855 transitions, 3728 flow. Second operand has 6 states, 6 states have (on average 822.5) internal successors, (4935), 6 states have internal predecessors, (4935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:43:21,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:43:21,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 821 of 1879 [2025-03-14 01:43:21,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:43:34,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-14 01:43:40,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-14 01:43:47,531 INFO L124 PetriNetUnfolderBase]: 829/2729 cut-off events. [2025-03-14 01:43:47,531 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2025-03-14 01:43:47,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3874 conditions, 2729 events. 829/2729 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 12355 event pairs, 135 based on Foata normal form. 156/2336 useless extension candidates. Maximal degree in co-relation 2606. Up to 1018 conditions per place. [2025-03-14 01:43:47,555 INFO L140 encePairwiseOnDemand]: 965/1879 looper letters, 142 selfloop transitions, 60 changer transitions 24/1001 dead transitions. [2025-03-14 01:43:47,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 972 places, 1001 transitions, 2424 flow [2025-03-14 01:43:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:43:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:43:47,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5982 transitions. [2025-03-14 01:43:47,590 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5306013837147419 [2025-03-14 01:43:47,591 INFO L175 Difference]: Start difference. First operand has 1690 places, 1855 transitions, 3728 flow. Second operand 6 states and 5982 transitions. [2025-03-14 01:43:47,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 972 places, 1001 transitions, 2424 flow [2025-03-14 01:43:47,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 966 places, 1001 transitions, 2412 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-03-14 01:43:47,621 INFO L231 Difference]: Finished difference. Result has 966 places, 977 transitions, 2080 flow [2025-03-14 01:43:47,624 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1879, PETRI_DIFFERENCE_MINUEND_FLOW=2008, PETRI_DIFFERENCE_MINUEND_PLACES=961, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1001, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2080, PETRI_PLACES=966, PETRI_TRANSITIONS=977} [2025-03-14 01:43:47,627 INFO L279 CegarLoopForPetriNet]: 1690 programPoint places, -724 predicate places. [2025-03-14 01:43:47,627 INFO L471 AbstractCegarLoop]: Abstraction has has 966 places, 977 transitions, 2080 flow [2025-03-14 01:43:47,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 822.5) internal successors, (4935), 6 states have internal predecessors, (4935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:43:47,630 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:43:47,630 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] [2025-03-14 01:43:47,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 01:43:47,631 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2025-03-14 01:43:47,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:43:47,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1538348129, now seen corresponding path program 1 times [2025-03-14 01:43:47,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:43:47,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006806170] [2025-03-14 01:43:47,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:43:47,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:43:47,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-14 01:43:47,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-14 01:43:47,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:43:47,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:43:47,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:43:47,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:43:47,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006806170] [2025-03-14 01:43:47,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006806170] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:43:47,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:43:47,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:43:47,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231446115] [2025-03-14 01:43:47,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:43:47,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:43:47,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:43:47,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:43:47,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:43:47,732 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1879 [2025-03-14 01:43:47,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 966 places, 977 transitions, 2080 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:43:47,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:43:47,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1879 [2025-03-14 01:43:47,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:00,048 INFO L124 PetriNetUnfolderBase]: 829/2704 cut-off events. [2025-03-14 01:44:00,049 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-03-14 01:44:00,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3714 conditions, 2704 events. 829/2704 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 12328 event pairs, 135 based on Foata normal form. 0/2180 useless extension candidates. Maximal degree in co-relation 3531. Up to 925 conditions per place. [2025-03-14 01:44:00,069 INFO L140 encePairwiseOnDemand]: 1876/1879 looper letters, 49 selfloop transitions, 2 changer transitions 0/976 dead transitions. [2025-03-14 01:44:00,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 976 transitions, 2180 flow [2025-03-14 01:44:00,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:00,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2025-03-14 01:44:00,075 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5318431789959198 [2025-03-14 01:44:00,075 INFO L175 Difference]: Start difference. First operand has 966 places, 977 transitions, 2080 flow. Second operand 3 states and 2998 transitions. [2025-03-14 01:44:00,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 976 transitions, 2180 flow [2025-03-14 01:44:00,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 976 transitions, 2060 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:44:00,089 INFO L231 Difference]: Finished difference. Result has 938 places, 976 transitions, 1962 flow [2025-03-14 01:44:00,090 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1879, PETRI_DIFFERENCE_MINUEND_FLOW=1958, PETRI_DIFFERENCE_MINUEND_PLACES=936, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=976, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=974, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1962, PETRI_PLACES=938, PETRI_TRANSITIONS=976} [2025-03-14 01:44:00,091 INFO L279 CegarLoopForPetriNet]: 1690 programPoint places, -752 predicate places. [2025-03-14 01:44:00,092 INFO L471 AbstractCegarLoop]: Abstraction has has 938 places, 976 transitions, 1962 flow [2025-03-14 01:44:00,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:44:00,093 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:00,093 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] [2025-03-14 01:44:00,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 01:44:00,093 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2025-03-14 01:44:00,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:00,094 INFO L85 PathProgramCache]: Analyzing trace with hash -665754252, now seen corresponding path program 1 times [2025-03-14 01:44:00,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:00,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903305121] [2025-03-14 01:44:00,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:00,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:00,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-14 01:44:00,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-14 01:44:00,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:00,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:00,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:00,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903305121] [2025-03-14 01:44:00,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903305121] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:00,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:00,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:00,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757311065] [2025-03-14 01:44:00,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:00,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:00,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:00,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:00,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:00,191 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1879 [2025-03-14 01:44:00,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 938 places, 976 transitions, 1962 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:44:00,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:00,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1879 [2025-03-14 01:44:00,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:02,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-14 01:44:04,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-14 01:44:11,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-14 01:44:13,814 INFO L124 PetriNetUnfolderBase]: 829/2703 cut-off events. [2025-03-14 01:44:13,815 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-03-14 01:44:13,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3655 conditions, 2703 events. 829/2703 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 12315 event pairs, 135 based on Foata normal form. 0/2180 useless extension candidates. Maximal degree in co-relation 3564. Up to 925 conditions per place. [2025-03-14 01:44:13,826 INFO L140 encePairwiseOnDemand]: 1876/1879 looper letters, 49 selfloop transitions, 2 changer transitions 0/975 dead transitions. [2025-03-14 01:44:13,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 975 transitions, 2062 flow [2025-03-14 01:44:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:13,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2025-03-14 01:44:13,831 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5318431789959198 [2025-03-14 01:44:13,831 INFO L175 Difference]: Start difference. First operand has 938 places, 976 transitions, 1962 flow. Second operand 3 states and 2998 transitions. [2025-03-14 01:44:13,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 975 transitions, 2062 flow [2025-03-14 01:44:13,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 975 transitions, 2058 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:13,841 INFO L231 Difference]: Finished difference. Result has 937 places, 975 transitions, 1960 flow [2025-03-14 01:44:13,842 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1879, PETRI_DIFFERENCE_MINUEND_FLOW=1956, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=975, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=973, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1960, PETRI_PLACES=937, PETRI_TRANSITIONS=975} [2025-03-14 01:44:13,843 INFO L279 CegarLoopForPetriNet]: 1690 programPoint places, -753 predicate places. [2025-03-14 01:44:13,843 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 975 transitions, 1960 flow [2025-03-14 01:44:13,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:44:13,844 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:13,844 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, 1, 1, 1, 1] [2025-03-14 01:44:13,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 01:44:13,845 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2025-03-14 01:44:13,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:13,845 INFO L85 PathProgramCache]: Analyzing trace with hash 74763989, now seen corresponding path program 1 times [2025-03-14 01:44:13,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:13,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231279391] [2025-03-14 01:44:13,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:13,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:13,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-14 01:44:13,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-14 01:44:13,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:13,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:13,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:13,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231279391] [2025-03-14 01:44:13,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231279391] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:13,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:13,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:13,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104002045] [2025-03-14 01:44:13,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:13,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:13,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:13,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:13,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:13,928 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1879 [2025-03-14 01:44:13,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 975 transitions, 1960 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:44:13,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:13,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1879 [2025-03-14 01:44:13,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:26,183 INFO L124 PetriNetUnfolderBase]: 829/2702 cut-off events. [2025-03-14 01:44:26,184 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-03-14 01:44:26,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3654 conditions, 2702 events. 829/2702 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 12364 event pairs, 135 based on Foata normal form. 0/2180 useless extension candidates. Maximal degree in co-relation 3516. Up to 925 conditions per place. [2025-03-14 01:44:26,193 INFO L140 encePairwiseOnDemand]: 1876/1879 looper letters, 49 selfloop transitions, 2 changer transitions 0/974 dead transitions. [2025-03-14 01:44:26,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 974 transitions, 2060 flow [2025-03-14 01:44:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:26,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2025-03-14 01:44:26,198 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5318431789959198 [2025-03-14 01:44:26,198 INFO L175 Difference]: Start difference. First operand has 937 places, 975 transitions, 1960 flow. Second operand 3 states and 2998 transitions. [2025-03-14 01:44:26,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 974 transitions, 2060 flow [2025-03-14 01:44:26,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 936 places, 974 transitions, 2056 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:26,206 INFO L231 Difference]: Finished difference. Result has 936 places, 974 transitions, 1958 flow [2025-03-14 01:44:26,207 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1879, PETRI_DIFFERENCE_MINUEND_FLOW=1954, PETRI_DIFFERENCE_MINUEND_PLACES=934, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=974, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=972, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1958, PETRI_PLACES=936, PETRI_TRANSITIONS=974} [2025-03-14 01:44:26,208 INFO L279 CegarLoopForPetriNet]: 1690 programPoint places, -754 predicate places. [2025-03-14 01:44:26,208 INFO L471 AbstractCegarLoop]: Abstraction has has 936 places, 974 transitions, 1958 flow [2025-03-14 01:44:26,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:44:26,209 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:26,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:26,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 01:44:26,209 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2025-03-14 01:44:26,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:26,210 INFO L85 PathProgramCache]: Analyzing trace with hash 366815675, now seen corresponding path program 1 times [2025-03-14 01:44:26,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:26,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201191378] [2025-03-14 01:44:26,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:26,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:26,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-03-14 01:44:26,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-03-14 01:44:26,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:26,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:26,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:26,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201191378] [2025-03-14 01:44:26,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201191378] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:26,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:26,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:26,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279792109] [2025-03-14 01:44:26,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:26,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:26,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:26,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:26,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:26,291 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1879 [2025-03-14 01:44:26,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 936 places, 974 transitions, 1958 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:44:26,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:26,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1879 [2025-03-14 01:44:26,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:33,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-14 01:44:39,304 INFO L124 PetriNetUnfolderBase]: 829/2701 cut-off events. [2025-03-14 01:44:39,304 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-03-14 01:44:39,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3653 conditions, 2701 events. 829/2701 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 12368 event pairs, 135 based on Foata normal form. 0/2180 useless extension candidates. Maximal degree in co-relation 3468. Up to 925 conditions per place. [2025-03-14 01:44:39,321 INFO L140 encePairwiseOnDemand]: 1876/1879 looper letters, 49 selfloop transitions, 2 changer transitions 0/973 dead transitions. [2025-03-14 01:44:39,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 973 transitions, 2058 flow [2025-03-14 01:44:39,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:39,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:39,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2025-03-14 01:44:39,326 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5318431789959198 [2025-03-14 01:44:39,326 INFO L175 Difference]: Start difference. First operand has 936 places, 974 transitions, 1958 flow. Second operand 3 states and 2998 transitions. [2025-03-14 01:44:39,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 973 transitions, 2058 flow [2025-03-14 01:44:39,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 973 transitions, 2054 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:39,336 INFO L231 Difference]: Finished difference. Result has 935 places, 973 transitions, 1956 flow [2025-03-14 01:44:39,337 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1879, PETRI_DIFFERENCE_MINUEND_FLOW=1952, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=973, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=971, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1956, PETRI_PLACES=935, PETRI_TRANSITIONS=973} [2025-03-14 01:44:39,341 INFO L279 CegarLoopForPetriNet]: 1690 programPoint places, -755 predicate places. [2025-03-14 01:44:39,341 INFO L471 AbstractCegarLoop]: Abstraction has has 935 places, 973 transitions, 1956 flow [2025-03-14 01:44:39,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:44:39,342 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:39,343 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:39,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-14 01:44:39,343 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2025-03-14 01:44:39,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:39,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1462299051, now seen corresponding path program 1 times [2025-03-14 01:44:39,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:39,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43789246] [2025-03-14 01:44:39,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:39,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:39,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-14 01:44:39,380 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-14 01:44:39,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:39,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:39,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:39,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43789246] [2025-03-14 01:44:39,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43789246] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:39,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:39,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:39,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614312515] [2025-03-14 01:44:39,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:39,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:39,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:39,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:39,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:39,431 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1879 [2025-03-14 01:44:39,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 973 transitions, 1956 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:44:39,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:39,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1879 [2025-03-14 01:44:39,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand