./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ff08c0361e0fdb1af5d85b333c023f31932563eeba591605f3b3b9ddd16afc8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:43:41,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:43:41,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:43:41,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:43:41,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:43:41,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:43:41,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:43:41,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:43:41,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:43:41,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:43:41,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:43:41,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:43:41,938 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:43:41,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:43:41,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:43:41,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:43:41,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:43:41,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:43:41,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:43:41,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:43:41,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:43:41,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:43:41,940 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:43:41,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:43:41,941 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:43:41,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:43:41,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:43:41,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:43:41,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:43:41,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:43:41,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:43:41,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:43:41,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:43:41,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:43:41,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:43:41,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:43:41,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:43:41,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:43:41,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:43:41,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:43:41,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:43:41,944 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ff08c0361e0fdb1af5d85b333c023f31932563eeba591605f3b3b9ddd16afc8 [2024-11-13 13:43:42,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:43:42,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:43:42,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:43:42,384 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:43:42,384 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:43:42,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-lit/sssc12_variant.i Unable to find full path for "g++" [2024-11-13 13:43:44,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:43:45,137 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:43:45,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/sv-benchmarks/c/pthread-lit/sssc12_variant.i [2024-11-13 13:43:45,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd/data/f34706488/68a399a0a1e44d8abdc825c8e5a54bf6/FLAG0b3bedf9c [2024-11-13 13:43:45,188 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd/data/f34706488/68a399a0a1e44d8abdc825c8e5a54bf6 [2024-11-13 13:43:45,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:43:45,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:43:45,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:43:45,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:43:45,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:43:45,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:45" (1/1) ... [2024-11-13 13:43:45,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b7a94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:45, skipping insertion in model container [2024-11-13 13:43:45,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:45" (1/1) ... [2024-11-13 13:43:45,266 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:43:45,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:43:45,913 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:43:45,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:43:46,067 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:43:46,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46 WrapperNode [2024-11-13 13:43:46,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:43:46,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:43:46,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:43:46,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:43:46,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46" (1/1) ... [2024-11-13 13:43:46,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46" (1/1) ... [2024-11-13 13:43:46,162 INFO L138 Inliner]: procedures = 275, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 139 [2024-11-13 13:43:46,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:43:46,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:43:46,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:43:46,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:43:46,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46" (1/1) ... [2024-11-13 13:43:46,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46" (1/1) ... [2024-11-13 13:43:46,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46" (1/1) ... [2024-11-13 13:43:46,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46" (1/1) ... [2024-11-13 13:43:46,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46" (1/1) ... [2024-11-13 13:43:46,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46" (1/1) ... [2024-11-13 13:43:46,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46" (1/1) ... [2024-11-13 13:43:46,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46" (1/1) ... [2024-11-13 13:43:46,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:43:46,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:43:46,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:43:46,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:43:46,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46" (1/1) ... [2024-11-13 13:43:46,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:43:46,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:43:46,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:43:46,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b2f8cc-cfb6-4cc1-81ac-1294802e0deb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:43:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-11-13 13:43:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-11-13 13:43:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 13:43:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 13:43:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 13:43:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 13:43:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 13:43:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 13:43:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:43:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:43:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:43:46,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:43:46,340 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 13:43:46,539 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:43:46,542 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:43:46,978 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:43:46,979 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:43:47,004 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:43:47,004 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 13:43:47,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:43:47 BoogieIcfgContainer [2024-11-13 13:43:47,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:43:47,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:43:47,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:43:47,029 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:43:47,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:43:45" (1/3) ... [2024-11-13 13:43:47,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e51563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:43:47, skipping insertion in model container [2024-11-13 13:43:47,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:46" (2/3) ... [2024-11-13 13:43:47,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e51563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:43:47, skipping insertion in model container [2024-11-13 13:43:47,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:43:47" (3/3) ... [2024-11-13 13:43:47,033 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2024-11-13 13:43:47,053 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:43:47,055 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG sssc12_variant.i that has 2 procedures, 161 locations, 1 initial locations, 2 loop locations, and 17 error locations. [2024-11-13 13:43:47,056 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:43:47,207 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:43:47,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 169 transitions, 342 flow [2024-11-13 13:43:47,368 INFO L124 PetriNetUnfolderBase]: 9/180 cut-off events. [2024-11-13 13:43:47,370 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:43:47,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 180 events. 9/180 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 143 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 98. Up to 4 conditions per place. [2024-11-13 13:43:47,385 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 169 transitions, 342 flow [2024-11-13 13:43:47,396 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 164 places, 169 transitions, 342 flow [2024-11-13 13:43:47,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:43:47,426 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;@71ffffaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:43:47,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-13 13:43:47,444 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:43:47,445 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-11-13 13:43:47,445 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:43:47,445 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:47,446 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:47,446 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-13 13:43:47,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:47,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1194812794, now seen corresponding path program 1 times [2024-11-13 13:43:47,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:47,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825670051] [2024-11-13 13:43:47,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:47,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:47,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:47,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825670051] [2024-11-13 13:43:47,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825670051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:47,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:47,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:47,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949559261] [2024-11-13 13:43:47,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:47,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:47,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:47,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:47,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:47,910 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 169 [2024-11-13 13:43:47,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 169 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:47,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:47,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 169 [2024-11-13 13:43:47,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:48,004 INFO L124 PetriNetUnfolderBase]: 3/159 cut-off events. [2024-11-13 13:43:48,005 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:43:48,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 159 events. 3/159 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 90 event pairs, 0 based on Foata normal form. 12/150 useless extension candidates. Maximal degree in co-relation 92. Up to 11 conditions per place. [2024-11-13 13:43:48,008 INFO L140 encePairwiseOnDemand]: 160/169 looper letters, 10 selfloop transitions, 2 changer transitions 1/155 dead transitions. [2024-11-13 13:43:48,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 155 transitions, 338 flow [2024-11-13 13:43:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:48,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 463 transitions. [2024-11-13 13:43:48,034 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9132149901380671 [2024-11-13 13:43:48,036 INFO L175 Difference]: Start difference. First operand has 164 places, 169 transitions, 342 flow. Second operand 3 states and 463 transitions. [2024-11-13 13:43:48,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 155 transitions, 338 flow [2024-11-13 13:43:48,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 155 transitions, 338 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:43:48,052 INFO L231 Difference]: Finished difference. Result has 157 places, 154 transitions, 316 flow [2024-11-13 13:43:48,055 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=157, PETRI_TRANSITIONS=154} [2024-11-13 13:43:48,061 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -7 predicate places. [2024-11-13 13:43:48,062 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 154 transitions, 316 flow [2024-11-13 13:43:48,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:48,063 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:48,063 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:48,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:43:48,065 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-13 13:43:48,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:48,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1867719337, now seen corresponding path program 1 times [2024-11-13 13:43:48,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:48,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678479402] [2024-11-13 13:43:48,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:48,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:48,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:48,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678479402] [2024-11-13 13:43:48,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678479402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:48,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:48,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:48,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113117750] [2024-11-13 13:43:48,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:48,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:48,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:48,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:48,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:48,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 169 [2024-11-13 13:43:48,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 154 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:48,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:48,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 169 [2024-11-13 13:43:48,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:48,385 INFO L124 PetriNetUnfolderBase]: 3/157 cut-off events. [2024-11-13 13:43:48,385 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:43:48,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 157 events. 3/157 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 87 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 141. Up to 11 conditions per place. [2024-11-13 13:43:48,389 INFO L140 encePairwiseOnDemand]: 166/169 looper letters, 10 selfloop transitions, 2 changer transitions 0/153 dead transitions. [2024-11-13 13:43:48,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 153 transitions, 338 flow [2024-11-13 13:43:48,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:48,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 457 transitions. [2024-11-13 13:43:48,398 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9013806706114399 [2024-11-13 13:43:48,398 INFO L175 Difference]: Start difference. First operand has 157 places, 154 transitions, 316 flow. Second operand 3 states and 457 transitions. [2024-11-13 13:43:48,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 153 transitions, 338 flow [2024-11-13 13:43:48,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 153 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:43:48,410 INFO L231 Difference]: Finished difference. Result has 155 places, 153 transitions, 314 flow [2024-11-13 13:43:48,411 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=155, PETRI_TRANSITIONS=153} [2024-11-13 13:43:48,412 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -9 predicate places. [2024-11-13 13:43:48,412 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 153 transitions, 314 flow [2024-11-13 13:43:48,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:48,414 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:48,415 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:48,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:43:48,415 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-13 13:43:48,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:48,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1973378845, now seen corresponding path program 1 times [2024-11-13 13:43:48,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:48,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015120624] [2024-11-13 13:43:48,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:48,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:48,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:48,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:48,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015120624] [2024-11-13 13:43:48,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015120624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:48,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:48,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:48,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232034537] [2024-11-13 13:43:48,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:48,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:48,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:48,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:48,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:48,677 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 169 [2024-11-13 13:43:48,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 153 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:48,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:48,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 169 [2024-11-13 13:43:48,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:48,727 INFO L124 PetriNetUnfolderBase]: 3/153 cut-off events. [2024-11-13 13:43:48,728 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:43:48,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 153 events. 3/153 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 81 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 129. Up to 11 conditions per place. [2024-11-13 13:43:48,729 INFO L140 encePairwiseOnDemand]: 164/169 looper letters, 11 selfloop transitions, 1 changer transitions 0/149 dead transitions. [2024-11-13 13:43:48,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 149 transitions, 330 flow [2024-11-13 13:43:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:48,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 454 transitions. [2024-11-13 13:43:48,735 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8954635108481263 [2024-11-13 13:43:48,736 INFO L175 Difference]: Start difference. First operand has 155 places, 153 transitions, 314 flow. Second operand 3 states and 454 transitions. [2024-11-13 13:43:48,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 149 transitions, 330 flow [2024-11-13 13:43:48,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 149 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:43:48,744 INFO L231 Difference]: Finished difference. Result has 151 places, 149 transitions, 304 flow [2024-11-13 13:43:48,747 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=151, PETRI_TRANSITIONS=149} [2024-11-13 13:43:48,748 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -13 predicate places. [2024-11-13 13:43:48,748 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 149 transitions, 304 flow [2024-11-13 13:43:48,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:48,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:48,749 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:48,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:43:48,749 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-13 13:43:48,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:48,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1179138994, now seen corresponding path program 1 times [2024-11-13 13:43:48,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:48,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525157476] [2024-11-13 13:43:48,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:48,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:48,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:48,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525157476] [2024-11-13 13:43:48,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525157476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:48,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:48,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:48,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872941588] [2024-11-13 13:43:48,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:48,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:48,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:48,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:48,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:48,929 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 169 [2024-11-13 13:43:48,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 149 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:48,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:48,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 169 [2024-11-13 13:43:48,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:48,990 INFO L124 PetriNetUnfolderBase]: 3/152 cut-off events. [2024-11-13 13:43:48,991 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:43:48,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 152 events. 3/152 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 80 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 126. Up to 10 conditions per place. [2024-11-13 13:43:48,992 INFO L140 encePairwiseOnDemand]: 166/169 looper letters, 9 selfloop transitions, 2 changer transitions 0/148 dead transitions. [2024-11-13 13:43:48,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 148 transitions, 324 flow [2024-11-13 13:43:48,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:48,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 459 transitions. [2024-11-13 13:43:48,996 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9053254437869822 [2024-11-13 13:43:48,997 INFO L175 Difference]: Start difference. First operand has 151 places, 149 transitions, 304 flow. Second operand 3 states and 459 transitions. [2024-11-13 13:43:48,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 148 transitions, 324 flow [2024-11-13 13:43:49,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 148 transitions, 323 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:43:49,004 INFO L231 Difference]: Finished difference. Result has 151 places, 148 transitions, 305 flow [2024-11-13 13:43:49,005 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=305, PETRI_PLACES=151, PETRI_TRANSITIONS=148} [2024-11-13 13:43:49,006 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -13 predicate places. [2024-11-13 13:43:49,007 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 148 transitions, 305 flow [2024-11-13 13:43:49,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:49,008 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:49,008 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:49,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:43:49,009 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-13 13:43:49,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:49,013 INFO L85 PathProgramCache]: Analyzing trace with hash 67325441, now seen corresponding path program 1 times [2024-11-13 13:43:49,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:49,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372606631] [2024-11-13 13:43:49,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:49,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 13:43:49,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:49,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372606631] [2024-11-13 13:43:49,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372606631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:49,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:49,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:43:49,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373544274] [2024-11-13 13:43:49,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:49,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:43:49,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:49,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:43:49,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:43:49,378 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 169 [2024-11-13 13:43:49,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 148 transitions, 305 flow. Second operand has 5 states, 5 states have (on average 147.2) internal successors, (736), 5 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:49,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:49,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 169 [2024-11-13 13:43:49,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:49,473 INFO L124 PetriNetUnfolderBase]: 2/155 cut-off events. [2024-11-13 13:43:49,473 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:43:49,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 155 events. 2/155 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 82 event pairs, 0 based on Foata normal form. 1/142 useless extension candidates. Maximal degree in co-relation 138. Up to 15 conditions per place. [2024-11-13 13:43:49,475 INFO L140 encePairwiseOnDemand]: 165/169 looper letters, 14 selfloop transitions, 0 changer transitions 4/151 dead transitions. [2024-11-13 13:43:49,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 151 transitions, 347 flow [2024-11-13 13:43:49,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:43:49,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 13:43:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 744 transitions. [2024-11-13 13:43:49,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8804733727810651 [2024-11-13 13:43:49,478 INFO L175 Difference]: Start difference. First operand has 151 places, 148 transitions, 305 flow. Second operand 5 states and 744 transitions. [2024-11-13 13:43:49,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 151 transitions, 347 flow [2024-11-13 13:43:49,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 151 transitions, 343 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:43:49,504 INFO L231 Difference]: Finished difference. Result has 156 places, 147 transitions, 305 flow [2024-11-13 13:43:49,505 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=305, PETRI_PLACES=156, PETRI_TRANSITIONS=147} [2024-11-13 13:43:49,505 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -8 predicate places. [2024-11-13 13:43:49,506 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 147 transitions, 305 flow [2024-11-13 13:43:49,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 147.2) internal successors, (736), 5 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:49,506 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:49,507 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:49,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:43:49,507 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-13 13:43:49,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:49,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1739304812, now seen corresponding path program 1 times [2024-11-13 13:43:49,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:49,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62198707] [2024-11-13 13:43:49,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:49,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:43:49,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:43:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:43:49,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:43:49,617 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:43:49,619 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 29 remaining) [2024-11-13 13:43:49,621 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2024-11-13 13:43:49,622 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2024-11-13 13:43:49,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2024-11-13 13:43:49,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining) [2024-11-13 13:43:49,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2024-11-13 13:43:49,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining) [2024-11-13 13:43:49,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2024-11-13 13:43:49,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2024-11-13 13:43:49,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2024-11-13 13:43:49,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2024-11-13 13:43:49,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2024-11-13 13:43:49,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining) [2024-11-13 13:43:49,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2024-11-13 13:43:49,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2024-11-13 13:43:49,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining) [2024-11-13 13:43:49,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining) [2024-11-13 13:43:49,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (11 of 29 remaining) [2024-11-13 13:43:49,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (10 of 29 remaining) [2024-11-13 13:43:49,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining) [2024-11-13 13:43:49,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining) [2024-11-13 13:43:49,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2024-11-13 13:43:49,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2024-11-13 13:43:49,627 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2024-11-13 13:43:49,627 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2024-11-13 13:43:49,627 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2024-11-13 13:43:49,627 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2024-11-13 13:43:49,627 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2024-11-13 13:43:49,628 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2024-11-13 13:43:49,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:43:49,628 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-13 13:43:49,632 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:43:49,632 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 13:43:49,724 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:43:49,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 255 transitions, 520 flow [2024-11-13 13:43:49,791 INFO L124 PetriNetUnfolderBase]: 15/279 cut-off events. [2024-11-13 13:43:49,792 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:43:49,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 279 events. 15/279 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 511 event pairs, 0 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 183. Up to 6 conditions per place. [2024-11-13 13:43:49,796 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 255 transitions, 520 flow [2024-11-13 13:43:49,800 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 255 transitions, 520 flow [2024-11-13 13:43:49,801 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:43:49,802 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;@71ffffaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:43:49,802 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-11-13 13:43:49,806 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:43:49,807 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-11-13 13:43:49,807 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:43:49,807 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:49,807 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:49,807 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-13 13:43:49,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:49,808 INFO L85 PathProgramCache]: Analyzing trace with hash 401584326, now seen corresponding path program 1 times [2024-11-13 13:43:49,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:49,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088753299] [2024-11-13 13:43:49,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:49,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:49,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:49,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088753299] [2024-11-13 13:43:49,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088753299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:49,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:49,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:49,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280187157] [2024-11-13 13:43:49,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:49,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:49,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:49,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:49,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:49,953 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 255 [2024-11-13 13:43:49,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 255 transitions, 520 flow. Second operand has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:49,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:49,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 255 [2024-11-13 13:43:49,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:50,203 INFO L124 PetriNetUnfolderBase]: 61/813 cut-off events. [2024-11-13 13:43:50,203 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-13 13:43:50,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 943 conditions, 813 events. 61/813 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4596 event pairs, 42 based on Foata normal form. 91/771 useless extension candidates. Maximal degree in co-relation 736. Up to 102 conditions per place. [2024-11-13 13:43:50,212 INFO L140 encePairwiseOnDemand]: 243/255 looper letters, 17 selfloop transitions, 2 changer transitions 1/236 dead transitions. [2024-11-13 13:43:50,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 236 transitions, 520 flow [2024-11-13 13:43:50,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 698 transitions. [2024-11-13 13:43:50,216 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9124183006535947 [2024-11-13 13:43:50,216 INFO L175 Difference]: Start difference. First operand has 247 places, 255 transitions, 520 flow. Second operand 3 states and 698 transitions. [2024-11-13 13:43:50,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 236 transitions, 520 flow [2024-11-13 13:43:50,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 236 transitions, 520 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:43:50,222 INFO L231 Difference]: Finished difference. Result has 238 places, 235 transitions, 484 flow [2024-11-13 13:43:50,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=238, PETRI_TRANSITIONS=235} [2024-11-13 13:43:50,223 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -9 predicate places. [2024-11-13 13:43:50,223 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 235 transitions, 484 flow [2024-11-13 13:43:50,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:50,224 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:50,224 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:50,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:43:50,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-13 13:43:50,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:50,225 INFO L85 PathProgramCache]: Analyzing trace with hash -322552714, now seen corresponding path program 1 times [2024-11-13 13:43:50,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:50,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730448914] [2024-11-13 13:43:50,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:50,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:50,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:50,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730448914] [2024-11-13 13:43:50,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730448914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:50,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:50,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:50,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581404335] [2024-11-13 13:43:50,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:50,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:50,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:50,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:50,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:50,360 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 255 [2024-11-13 13:43:50,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 235 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:50,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:50,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 255 [2024-11-13 13:43:50,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:50,531 INFO L124 PetriNetUnfolderBase]: 25/556 cut-off events. [2024-11-13 13:43:50,531 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-13 13:43:50,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 556 events. 25/556 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2463 event pairs, 12 based on Foata normal form. 0/467 useless extension candidates. Maximal degree in co-relation 580. Up to 39 conditions per place. [2024-11-13 13:43:50,541 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 14 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2024-11-13 13:43:50,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 234 transitions, 514 flow [2024-11-13 13:43:50,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:50,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 695 transitions. [2024-11-13 13:43:50,546 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9084967320261438 [2024-11-13 13:43:50,546 INFO L175 Difference]: Start difference. First operand has 238 places, 235 transitions, 484 flow. Second operand 3 states and 695 transitions. [2024-11-13 13:43:50,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 234 transitions, 514 flow [2024-11-13 13:43:50,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 234 transitions, 510 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:43:50,557 INFO L231 Difference]: Finished difference. Result has 236 places, 234 transitions, 482 flow [2024-11-13 13:43:50,557 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=236, PETRI_TRANSITIONS=234} [2024-11-13 13:43:50,558 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -11 predicate places. [2024-11-13 13:43:50,558 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 234 transitions, 482 flow [2024-11-13 13:43:50,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:50,562 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:50,562 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:50,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:43:50,563 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-13 13:43:50,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:50,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1860116546, now seen corresponding path program 1 times [2024-11-13 13:43:50,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:50,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175332176] [2024-11-13 13:43:50,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:50,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:50,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:50,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175332176] [2024-11-13 13:43:50,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175332176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:50,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:50,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:50,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160264680] [2024-11-13 13:43:50,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:50,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:50,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:50,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:50,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:50,672 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 255 [2024-11-13 13:43:50,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 234 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:50,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:50,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 255 [2024-11-13 13:43:50,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:50,870 INFO L124 PetriNetUnfolderBase]: 39/753 cut-off events. [2024-11-13 13:43:50,870 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-13 13:43:50,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 834 conditions, 753 events. 39/753 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4155 event pairs, 20 based on Foata normal form. 0/637 useless extension candidates. Maximal degree in co-relation 789. Up to 56 conditions per place. [2024-11-13 13:43:50,879 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 16 selfloop transitions, 1 changer transitions 0/229 dead transitions. [2024-11-13 13:43:50,879 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 229 transitions, 506 flow [2024-11-13 13:43:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2024-11-13 13:43:50,882 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8993464052287582 [2024-11-13 13:43:50,882 INFO L175 Difference]: Start difference. First operand has 236 places, 234 transitions, 482 flow. Second operand 3 states and 688 transitions. [2024-11-13 13:43:50,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 229 transitions, 506 flow [2024-11-13 13:43:50,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 229 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:43:50,888 INFO L231 Difference]: Finished difference. Result has 231 places, 229 transitions, 470 flow [2024-11-13 13:43:50,889 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=231, PETRI_TRANSITIONS=229} [2024-11-13 13:43:50,893 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -16 predicate places. [2024-11-13 13:43:50,893 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 229 transitions, 470 flow [2024-11-13 13:43:50,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:50,894 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:50,894 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:50,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:43:50,894 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-13 13:43:50,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:50,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1352006673, now seen corresponding path program 1 times [2024-11-13 13:43:50,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:50,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543973986] [2024-11-13 13:43:50,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:50,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:50,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:50,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543973986] [2024-11-13 13:43:50,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543973986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:50,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:50,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:50,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141272083] [2024-11-13 13:43:50,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:50,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:50,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:50,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:50,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:51,076 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 255 [2024-11-13 13:43:51,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 229 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:51,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:51,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 255 [2024-11-13 13:43:51,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:51,266 INFO L124 PetriNetUnfolderBase]: 47/712 cut-off events. [2024-11-13 13:43:51,267 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-13 13:43:51,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 712 events. 47/712 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3545 event pairs, 30 based on Foata normal form. 0/604 useless extension candidates. Maximal degree in co-relation 770. Up to 76 conditions per place. [2024-11-13 13:43:51,277 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 15 selfloop transitions, 2 changer transitions 0/228 dead transitions. [2024-11-13 13:43:51,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 228 transitions, 502 flow [2024-11-13 13:43:51,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:51,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 693 transitions. [2024-11-13 13:43:51,281 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9058823529411765 [2024-11-13 13:43:51,281 INFO L175 Difference]: Start difference. First operand has 231 places, 229 transitions, 470 flow. Second operand 3 states and 693 transitions. [2024-11-13 13:43:51,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 228 transitions, 502 flow [2024-11-13 13:43:51,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 228 transitions, 501 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:43:51,289 INFO L231 Difference]: Finished difference. Result has 231 places, 228 transitions, 471 flow [2024-11-13 13:43:51,289 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=471, PETRI_PLACES=231, PETRI_TRANSITIONS=228} [2024-11-13 13:43:51,291 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -16 predicate places. [2024-11-13 13:43:51,291 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 228 transitions, 471 flow [2024-11-13 13:43:51,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:51,292 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:51,292 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:51,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:43:51,292 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-13 13:43:51,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:51,293 INFO L85 PathProgramCache]: Analyzing trace with hash -586092086, now seen corresponding path program 1 times [2024-11-13 13:43:51,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:51,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88966088] [2024-11-13 13:43:51,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:51,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:51,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:51,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:51,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88966088] [2024-11-13 13:43:51,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88966088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:51,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:51,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:51,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484719114] [2024-11-13 13:43:51,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:51,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:51,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:51,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:51,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:51,487 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 255 [2024-11-13 13:43:51,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 228 transitions, 471 flow. Second operand has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:51,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:51,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 255 [2024-11-13 13:43:51,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:51,974 INFO L124 PetriNetUnfolderBase]: 164/2099 cut-off events. [2024-11-13 13:43:51,975 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-13 13:43:51,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2429 conditions, 2099 events. 164/2099 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 17261 event pairs, 57 based on Foata normal form. 0/1795 useless extension candidates. Maximal degree in co-relation 2384. Up to 204 conditions per place. [2024-11-13 13:43:51,996 INFO L140 encePairwiseOnDemand]: 235/255 looper letters, 32 selfloop transitions, 14 changer transitions 0/247 dead transitions. [2024-11-13 13:43:51,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 247 transitions, 606 flow [2024-11-13 13:43:51,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 703 transitions. [2024-11-13 13:43:52,000 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.918954248366013 [2024-11-13 13:43:52,000 INFO L175 Difference]: Start difference. First operand has 231 places, 228 transitions, 471 flow. Second operand 3 states and 703 transitions. [2024-11-13 13:43:52,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 247 transitions, 606 flow [2024-11-13 13:43:52,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 247 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:43:52,007 INFO L231 Difference]: Finished difference. Result has 233 places, 242 transitions, 591 flow [2024-11-13 13:43:52,008 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=233, PETRI_TRANSITIONS=242} [2024-11-13 13:43:52,008 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -14 predicate places. [2024-11-13 13:43:52,009 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 242 transitions, 591 flow [2024-11-13 13:43:52,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:52,009 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:52,010 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:52,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:43:52,010 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-13 13:43:52,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:52,011 INFO L85 PathProgramCache]: Analyzing trace with hash 2052481228, now seen corresponding path program 1 times [2024-11-13 13:43:52,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:52,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543056875] [2024-11-13 13:43:52,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:52,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 13:43:52,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:52,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543056875] [2024-11-13 13:43:52,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543056875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:52,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:52,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:43:52,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624124568] [2024-11-13 13:43:52,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:52,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:43:52,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:52,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:43:52,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:43:52,254 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 255 [2024-11-13 13:43:52,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 242 transitions, 591 flow. Second operand has 5 states, 5 states have (on average 226.4) internal successors, (1132), 5 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:52,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:52,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 255 [2024-11-13 13:43:52,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:52,715 INFO L124 PetriNetUnfolderBase]: 99/1996 cut-off events. [2024-11-13 13:43:52,716 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-13 13:43:52,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2269 conditions, 1996 events. 99/1996 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 16322 event pairs, 41 based on Foata normal form. 1/1708 useless extension candidates. Maximal degree in co-relation 2223. Up to 120 conditions per place. [2024-11-13 13:43:52,734 INFO L140 encePairwiseOnDemand]: 251/255 looper letters, 17 selfloop transitions, 0 changer transitions 4/245 dead transitions. [2024-11-13 13:43:52,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 245 transitions, 639 flow [2024-11-13 13:43:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:43:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 13:43:52,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1142 transitions. [2024-11-13 13:43:52,738 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8956862745098039 [2024-11-13 13:43:52,739 INFO L175 Difference]: Start difference. First operand has 233 places, 242 transitions, 591 flow. Second operand 5 states and 1142 transitions. [2024-11-13 13:43:52,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 245 transitions, 639 flow [2024-11-13 13:43:52,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 245 transitions, 611 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:43:52,752 INFO L231 Difference]: Finished difference. Result has 238 places, 241 transitions, 567 flow [2024-11-13 13:43:52,756 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=567, PETRI_PLACES=238, PETRI_TRANSITIONS=241} [2024-11-13 13:43:52,757 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -9 predicate places. [2024-11-13 13:43:52,757 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 241 transitions, 567 flow [2024-11-13 13:43:52,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 226.4) internal successors, (1132), 5 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:52,758 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:52,758 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:52,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:43:52,758 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-13 13:43:52,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:52,759 INFO L85 PathProgramCache]: Analyzing trace with hash -649752200, now seen corresponding path program 1 times [2024-11-13 13:43:52,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:52,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410434371] [2024-11-13 13:43:52,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:52,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:43:52,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:43:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:43:52,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:43:52,834 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:43:52,834 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 40 remaining) [2024-11-13 13:43:52,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2024-11-13 13:43:52,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2024-11-13 13:43:52,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2024-11-13 13:43:52,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2024-11-13 13:43:52,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2024-11-13 13:43:52,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2024-11-13 13:43:52,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2024-11-13 13:43:52,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2024-11-13 13:43:52,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2024-11-13 13:43:52,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2024-11-13 13:43:52,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2024-11-13 13:43:52,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2024-11-13 13:43:52,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2024-11-13 13:43:52,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2024-11-13 13:43:52,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2024-11-13 13:43:52,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2024-11-13 13:43:52,839 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2024-11-13 13:43:52,840 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2024-11-13 13:43:52,840 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2024-11-13 13:43:52,840 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2024-11-13 13:43:52,840 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2024-11-13 13:43:52,840 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2024-11-13 13:43:52,840 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2024-11-13 13:43:52,840 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2024-11-13 13:43:52,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2024-11-13 13:43:52,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2024-11-13 13:43:52,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2024-11-13 13:43:52,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2024-11-13 13:43:52,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2024-11-13 13:43:52,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2024-11-13 13:43:52,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2024-11-13 13:43:52,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2024-11-13 13:43:52,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2024-11-13 13:43:52,842 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2024-11-13 13:43:52,842 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2024-11-13 13:43:52,842 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2024-11-13 13:43:52,842 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2024-11-13 13:43:52,842 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2024-11-13 13:43:52,842 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2024-11-13 13:43:52,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:43:52,843 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:52,843 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:43:52,843 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-13 13:43:52,932 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:43:52,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 330 places, 341 transitions, 700 flow [2024-11-13 13:43:53,030 INFO L124 PetriNetUnfolderBase]: 21/378 cut-off events. [2024-11-13 13:43:53,030 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-13 13:43:53,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 391 conditions, 378 events. 21/378 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1021 event pairs, 0 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 283. Up to 8 conditions per place. [2024-11-13 13:43:53,033 INFO L82 GeneralOperation]: Start removeDead. Operand has 330 places, 341 transitions, 700 flow [2024-11-13 13:43:53,038 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 330 places, 341 transitions, 700 flow [2024-11-13 13:43:53,039 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:43:53,039 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;@71ffffaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:43:53,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-11-13 13:43:53,042 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:43:53,042 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-11-13 13:43:53,042 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:43:53,043 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:53,043 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:53,043 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:43:53,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:53,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1694223750, now seen corresponding path program 1 times [2024-11-13 13:43:53,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:53,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987760926] [2024-11-13 13:43:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:53,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:53,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:53,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:53,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987760926] [2024-11-13 13:43:53,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987760926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:53,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:53,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:53,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408532428] [2024-11-13 13:43:53,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:53,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:53,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:53,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:53,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:53,174 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 341 [2024-11-13 13:43:53,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 341 transitions, 700 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:53,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:53,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 341 [2024-11-13 13:43:53,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:54,618 INFO L124 PetriNetUnfolderBase]: 763/5688 cut-off events. [2024-11-13 13:43:54,618 INFO L125 PetriNetUnfolderBase]: For 319/319 co-relation queries the response was YES. [2024-11-13 13:43:54,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6946 conditions, 5688 events. 763/5688 cut-off events. For 319/319 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 60087 event pairs, 630 based on Foata normal form. 701/5458 useless extension candidates. Maximal degree in co-relation 5718. Up to 1033 conditions per place. [2024-11-13 13:43:54,768 INFO L140 encePairwiseOnDemand]: 326/341 looper letters, 24 selfloop transitions, 2 changer transitions 1/317 dead transitions. [2024-11-13 13:43:54,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 317 transitions, 704 flow [2024-11-13 13:43:54,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:54,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:54,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 933 transitions. [2024-11-13 13:43:54,771 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9120234604105572 [2024-11-13 13:43:54,772 INFO L175 Difference]: Start difference. First operand has 330 places, 341 transitions, 700 flow. Second operand 3 states and 933 transitions. [2024-11-13 13:43:54,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 317 transitions, 704 flow [2024-11-13 13:43:54,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 317 transitions, 702 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-13 13:43:54,779 INFO L231 Difference]: Finished difference. Result has 319 places, 316 transitions, 652 flow [2024-11-13 13:43:54,780 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=319, PETRI_TRANSITIONS=316} [2024-11-13 13:43:54,781 INFO L277 CegarLoopForPetriNet]: 330 programPoint places, -11 predicate places. [2024-11-13 13:43:54,781 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 316 transitions, 652 flow [2024-11-13 13:43:54,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:54,782 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:54,782 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:54,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:43:54,782 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:43:54,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:54,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1945845035, now seen corresponding path program 1 times [2024-11-13 13:43:54,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:54,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920236525] [2024-11-13 13:43:54,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:54,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:54,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:54,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:54,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920236525] [2024-11-13 13:43:54,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920236525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:54,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:54,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:54,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975996825] [2024-11-13 13:43:54,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:54,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:54,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:54,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:54,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:54,886 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 341 [2024-11-13 13:43:54,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 316 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:54,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:54,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 341 [2024-11-13 13:43:54,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:55,584 INFO L124 PetriNetUnfolderBase]: 163/2239 cut-off events. [2024-11-13 13:43:55,584 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-11-13 13:43:55,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2509 conditions, 2239 events. 163/2239 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 18936 event pairs, 108 based on Foata normal form. 0/1856 useless extension candidates. Maximal degree in co-relation 2471. Up to 199 conditions per place. [2024-11-13 13:43:55,629 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 18 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2024-11-13 13:43:55,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 315 transitions, 690 flow [2024-11-13 13:43:55,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:55,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 933 transitions. [2024-11-13 13:43:55,634 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9120234604105572 [2024-11-13 13:43:55,634 INFO L175 Difference]: Start difference. First operand has 319 places, 316 transitions, 652 flow. Second operand 3 states and 933 transitions. [2024-11-13 13:43:55,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 315 transitions, 690 flow [2024-11-13 13:43:55,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 315 transitions, 686 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:43:55,644 INFO L231 Difference]: Finished difference. Result has 317 places, 315 transitions, 650 flow [2024-11-13 13:43:55,644 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=317, PETRI_TRANSITIONS=315} [2024-11-13 13:43:55,645 INFO L277 CegarLoopForPetriNet]: 330 programPoint places, -13 predicate places. [2024-11-13 13:43:55,645 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 315 transitions, 650 flow [2024-11-13 13:43:55,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:55,647 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:55,647 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:55,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:43:55,647 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:43:55,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:55,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1579871159, now seen corresponding path program 1 times [2024-11-13 13:43:55,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:55,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319987719] [2024-11-13 13:43:55,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:55,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:55,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:55,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:55,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319987719] [2024-11-13 13:43:55,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319987719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:55,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:55,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:55,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228561801] [2024-11-13 13:43:55,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:55,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:55,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:55,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:55,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:55,742 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 341 [2024-11-13 13:43:55,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 315 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:55,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:55,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 341 [2024-11-13 13:43:55,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:56,592 INFO L124 PetriNetUnfolderBase]: 325/4003 cut-off events. [2024-11-13 13:43:56,592 INFO L125 PetriNetUnfolderBase]: For 95/95 co-relation queries the response was YES. [2024-11-13 13:43:56,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4485 conditions, 4003 events. 325/4003 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 40794 event pairs, 220 based on Foata normal form. 0/3346 useless extension candidates. Maximal degree in co-relation 4439. Up to 381 conditions per place. [2024-11-13 13:43:56,648 INFO L140 encePairwiseOnDemand]: 334/341 looper letters, 21 selfloop transitions, 1 changer transitions 0/309 dead transitions. [2024-11-13 13:43:56,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 309 transitions, 682 flow [2024-11-13 13:43:56,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:56,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:56,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 922 transitions. [2024-11-13 13:43:56,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9012707722385142 [2024-11-13 13:43:56,651 INFO L175 Difference]: Start difference. First operand has 317 places, 315 transitions, 650 flow. Second operand 3 states and 922 transitions. [2024-11-13 13:43:56,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 309 transitions, 682 flow [2024-11-13 13:43:56,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 309 transitions, 678 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:43:56,658 INFO L231 Difference]: Finished difference. Result has 311 places, 309 transitions, 636 flow [2024-11-13 13:43:56,659 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=311, PETRI_TRANSITIONS=309} [2024-11-13 13:43:56,659 INFO L277 CegarLoopForPetriNet]: 330 programPoint places, -19 predicate places. [2024-11-13 13:43:56,659 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 309 transitions, 636 flow [2024-11-13 13:43:56,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:56,660 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:56,661 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:56,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:43:56,661 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:43:56,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:56,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1010512518, now seen corresponding path program 1 times [2024-11-13 13:43:56,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:56,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212715740] [2024-11-13 13:43:56,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:56,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:56,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:56,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:56,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212715740] [2024-11-13 13:43:56,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212715740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:56,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:56,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:56,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182791063] [2024-11-13 13:43:56,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:56,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:56,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:56,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:56,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:56,777 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 341 [2024-11-13 13:43:56,779 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 309 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:56,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:56,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 341 [2024-11-13 13:43:56,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:43:57,703 INFO L124 PetriNetUnfolderBase]: 493/4266 cut-off events. [2024-11-13 13:43:57,703 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-13 13:43:57,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5054 conditions, 4266 events. 493/4266 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 41014 event pairs, 390 based on Foata normal form. 0/3581 useless extension candidates. Maximal degree in co-relation 5008. Up to 652 conditions per place. [2024-11-13 13:43:57,751 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 21 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-13 13:43:57,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 308 transitions, 680 flow [2024-11-13 13:43:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:43:57,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 927 transitions. [2024-11-13 13:43:57,754 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.906158357771261 [2024-11-13 13:43:57,754 INFO L175 Difference]: Start difference. First operand has 311 places, 309 transitions, 636 flow. Second operand 3 states and 927 transitions. [2024-11-13 13:43:57,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 308 transitions, 680 flow [2024-11-13 13:43:57,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 308 transitions, 679 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:43:57,761 INFO L231 Difference]: Finished difference. Result has 311 places, 308 transitions, 637 flow [2024-11-13 13:43:57,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=637, PETRI_PLACES=311, PETRI_TRANSITIONS=308} [2024-11-13 13:43:57,762 INFO L277 CegarLoopForPetriNet]: 330 programPoint places, -19 predicate places. [2024-11-13 13:43:57,762 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 308 transitions, 637 flow [2024-11-13 13:43:57,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:57,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:43:57,763 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:57,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:43:57,764 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:43:57,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:57,764 INFO L85 PathProgramCache]: Analyzing trace with hash 812387509, now seen corresponding path program 1 times [2024-11-13 13:43:57,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:57,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222662384] [2024-11-13 13:43:57,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:57,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:57,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:57,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222662384] [2024-11-13 13:43:57,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222662384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:57,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:57,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:57,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156774956] [2024-11-13 13:43:57,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:57,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:57,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:57,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:57,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:57,910 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 341 [2024-11-13 13:43:57,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 308 transitions, 637 flow. Second operand has 3 states, 3 states have (on average 287.6666666666667) internal successors, (863), 3 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:57,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:43:57,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 341 [2024-11-13 13:43:57,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:44:02,558 INFO L124 PetriNetUnfolderBase]: 4201/31335 cut-off events. [2024-11-13 13:44:02,558 INFO L125 PetriNetUnfolderBase]: For 466/466 co-relation queries the response was YES. [2024-11-13 13:44:02,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37794 conditions, 31335 events. 4201/31335 cut-off events. For 466/466 co-relation queries the response was YES. Maximal size of possible extension queue 732. Compared 462308 event pairs, 1667 based on Foata normal form. 0/26535 useless extension candidates. Maximal degree in co-relation 37748. Up to 4132 conditions per place. [2024-11-13 13:44:02,908 INFO L140 encePairwiseOnDemand]: 311/341 looper letters, 48 selfloop transitions, 21 changer transitions 0/337 dead transitions. [2024-11-13 13:44:02,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 337 transitions, 843 flow [2024-11-13 13:44:02,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:44:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:44:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 936 transitions. [2024-11-13 13:44:02,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9149560117302052 [2024-11-13 13:44:02,913 INFO L175 Difference]: Start difference. First operand has 311 places, 308 transitions, 637 flow. Second operand 3 states and 936 transitions. [2024-11-13 13:44:02,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 337 transitions, 843 flow [2024-11-13 13:44:02,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 337 transitions, 839 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:44:02,924 INFO L231 Difference]: Finished difference. Result has 313 places, 329 transitions, 819 flow [2024-11-13 13:44:02,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=819, PETRI_PLACES=313, PETRI_TRANSITIONS=329} [2024-11-13 13:44:02,926 INFO L277 CegarLoopForPetriNet]: 330 programPoint places, -17 predicate places. [2024-11-13 13:44:02,926 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 329 transitions, 819 flow [2024-11-13 13:44:02,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 287.6666666666667) internal successors, (863), 3 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:02,927 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:44:02,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:02,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:44:02,928 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:44:02,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:02,928 INFO L85 PathProgramCache]: Analyzing trace with hash 806481472, now seen corresponding path program 1 times [2024-11-13 13:44:02,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:02,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842695757] [2024-11-13 13:44:02,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:02,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:03,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:03,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:03,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842695757] [2024-11-13 13:44:03,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842695757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:03,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:03,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:44:03,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823552792] [2024-11-13 13:44:03,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:03,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:44:03,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:03,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:44:03,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:44:03,208 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 341 [2024-11-13 13:44:03,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 329 transitions, 819 flow. Second operand has 4 states, 4 states have (on average 311.0) internal successors, (1244), 4 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:03,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:44:03,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 341 [2024-11-13 13:44:03,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:44:04,851 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1081] L1041-6-->L1045-2: Formula: (and (= |v_thrThread3of3ForFork0_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_14| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_14|) |v_~#lock~0.offset_14| 0)))) InVars {~#lock~0.base=|v_~#lock~0.base_14|, #pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_14|, ~#lock~0.base=|v_~#lock~0.base_14|, thrThread3of3ForFork0_#t~ret6#1=|v_thrThread3of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread3of3ForFork0_#t~ret6#1][159], [329#true, 350#true, 271#L1043true, 347#(= |#race~next~0| 0), 157#L1045-2true, 93#L1061-4true, 273#L1045-2true, Black: 345#true, 327#true, 341#(= |#race~len~0| 0), 331#true]) [2024-11-13 13:44:04,852 INFO L294 olderBase$Statistics]: this new event has 128 ancestors and is cut-off event [2024-11-13 13:44:04,852 INFO L297 olderBase$Statistics]: existing Event has 117 ancestors and is cut-off event [2024-11-13 13:44:04,852 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-13 13:44:04,852 INFO L297 olderBase$Statistics]: existing Event has 117 ancestors and is cut-off event [2024-11-13 13:44:05,768 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1081] L1041-6-->L1045-2: Formula: (and (= |v_thrThread3of3ForFork0_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_14| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_14|) |v_~#lock~0.offset_14| 0)))) InVars {~#lock~0.base=|v_~#lock~0.base_14|, #pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_14|, ~#lock~0.base=|v_~#lock~0.base_14|, thrThread3of3ForFork0_#t~ret6#1=|v_thrThread3of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread3of3ForFork0_#t~ret6#1][160], [329#true, 353#(and (= |thrThread1of3ForFork0_~end~0#1| 0) (= |thrThread1of3ForFork0_~c~0#1| 0)), 157#L1045-2true, 244#L1045-2true, 345#true, 93#L1061-4true, Black: 347#(= |#race~next~0| 0), 327#true, 341#(= |#race~len~0| 0), 273#L1045-2true, 331#true]) [2024-11-13 13:44:05,768 INFO L294 olderBase$Statistics]: this new event has 137 ancestors and is cut-off event [2024-11-13 13:44:05,768 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-13 13:44:05,769 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-13 13:44:05,769 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-13 13:44:05,907 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1081] L1041-6-->L1045-2: Formula: (and (= |v_thrThread3of3ForFork0_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_14| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_14|) |v_~#lock~0.offset_14| 0)))) InVars {~#lock~0.base=|v_~#lock~0.base_14|, #pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_14|, ~#lock~0.base=|v_~#lock~0.base_14|, thrThread3of3ForFork0_#t~ret6#1=|v_thrThread3of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread3of3ForFork0_#t~ret6#1][159], [329#true, 350#true, 271#L1043true, 157#L1045-2true, 345#true, 93#L1061-4true, Black: 347#(= |#race~next~0| 0), 273#L1045-2true, 327#true, 341#(= |#race~len~0| 0), 331#true]) [2024-11-13 13:44:05,907 INFO L294 olderBase$Statistics]: this new event has 139 ancestors and is cut-off event [2024-11-13 13:44:05,907 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-13 13:44:05,907 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-13 13:44:05,907 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-13 13:44:06,086 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1081] L1041-6-->L1045-2: Formula: (and (= |v_thrThread3of3ForFork0_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_14| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_14|) |v_~#lock~0.offset_14| 0)))) InVars {~#lock~0.base=|v_~#lock~0.base_14|, #pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_14|, ~#lock~0.base=|v_~#lock~0.base_14|, thrThread3of3ForFork0_#t~ret6#1=|v_thrThread3of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread3of3ForFork0_#t~ret6#1][159], [329#true, 350#true, 111#L1043-3true, 157#L1045-2true, 93#L1061-4true, 345#true, Black: 347#(= |#race~next~0| 0), 273#L1045-2true, 327#true, 341#(= |#race~len~0| 0), 331#true]) [2024-11-13 13:44:06,087 INFO L294 olderBase$Statistics]: this new event has 142 ancestors and is cut-off event [2024-11-13 13:44:06,087 INFO L297 olderBase$Statistics]: existing Event has 131 ancestors and is cut-off event [2024-11-13 13:44:06,087 INFO L297 olderBase$Statistics]: existing Event has 131 ancestors and is cut-off event [2024-11-13 13:44:06,087 INFO L297 olderBase$Statistics]: existing Event has 131 ancestors and is cut-off event [2024-11-13 13:44:07,940 INFO L124 PetriNetUnfolderBase]: 3148/31382 cut-off events. [2024-11-13 13:44:07,940 INFO L125 PetriNetUnfolderBase]: For 856/864 co-relation queries the response was YES. [2024-11-13 13:44:08,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38084 conditions, 31382 events. 3148/31382 cut-off events. For 856/864 co-relation queries the response was YES. Maximal size of possible extension queue 728. Compared 473977 event pairs, 1451 based on Foata normal form. 59/26887 useless extension candidates. Maximal degree in co-relation 38038. Up to 2767 conditions per place. [2024-11-13 13:44:08,271 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 27 selfloop transitions, 3 changer transitions 0/342 dead transitions. [2024-11-13 13:44:08,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 342 transitions, 925 flow [2024-11-13 13:44:08,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:44:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 13:44:08,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1267 transitions. [2024-11-13 13:44:08,275 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9288856304985337 [2024-11-13 13:44:08,275 INFO L175 Difference]: Start difference. First operand has 313 places, 329 transitions, 819 flow. Second operand 4 states and 1267 transitions. [2024-11-13 13:44:08,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 342 transitions, 925 flow [2024-11-13 13:44:08,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 342 transitions, 883 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:44:08,320 INFO L231 Difference]: Finished difference. Result has 315 places, 329 transitions, 787 flow [2024-11-13 13:44:08,320 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=787, PETRI_PLACES=315, PETRI_TRANSITIONS=329} [2024-11-13 13:44:08,322 INFO L277 CegarLoopForPetriNet]: 330 programPoint places, -15 predicate places. [2024-11-13 13:44:08,322 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 329 transitions, 787 flow [2024-11-13 13:44:08,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 311.0) internal successors, (1244), 4 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:08,323 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:44:08,323 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:08,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:44:08,324 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:44:08,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:08,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1096264844, now seen corresponding path program 1 times [2024-11-13 13:44:08,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:08,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324992510] [2024-11-13 13:44:08,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:08,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 13:44:08,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:08,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324992510] [2024-11-13 13:44:08,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324992510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:08,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:08,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:44:08,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84208708] [2024-11-13 13:44:08,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:08,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:44:08,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:08,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:44:08,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:44:08,501 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2024-11-13 13:44:08,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 329 transitions, 787 flow. Second operand has 5 states, 5 states have (on average 305.6) internal successors, (1528), 5 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:08,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:44:08,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2024-11-13 13:44:08,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:44:10,729 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1081] L1041-6-->L1045-2: Formula: (and (= |v_thrThread3of3ForFork0_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_14| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_14|) |v_~#lock~0.offset_14| 0)))) InVars {~#lock~0.base=|v_~#lock~0.base_14|, #pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_14|, ~#lock~0.base=|v_~#lock~0.base_14|, thrThread3of3ForFork0_#t~ret6#1=|v_thrThread3of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread3of3ForFork0_#t~ret6#1][152], [329#true, 350#true, Black: 353#(and (= |thrThread1of3ForFork0_~end~0#1| 0) (= |thrThread1of3ForFork0_~c~0#1| 0)), 157#L1045-2true, 93#L1061-4true, 331#true, 273#L1045-2true, 341#(= |#race~len~0| 0), 327#true, Black: 345#true, 293#L1043-6true, 355#true]) [2024-11-13 13:44:10,729 INFO L294 olderBase$Statistics]: this new event has 137 ancestors and is cut-off event [2024-11-13 13:44:10,729 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-13 13:44:10,729 INFO L297 olderBase$Statistics]: existing Event has 137 ancestors and is cut-off event [2024-11-13 13:44:10,730 INFO L297 olderBase$Statistics]: existing Event has 137 ancestors and is cut-off event [2024-11-13 13:44:10,807 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1166] L1041-6-->L1045-2: Formula: (and (= |v_thrThread2of3ForFork0_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_14| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_14|) |v_~#lock~0.offset_14| 0)))) InVars {~#lock~0.base=|v_~#lock~0.base_14|, #pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_14|, ~#lock~0.base=|v_~#lock~0.base_14|, thrThread2of3ForFork0_#t~ret6#1=|v_thrThread2of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread2of3ForFork0_#t~ret6#1][118], [329#true, 353#(and (= |thrThread1of3ForFork0_~end~0#1| 0) (= |thrThread1of3ForFork0_~c~0#1| 0)), 157#L1045-2true, 244#L1045-2true, 93#L1061-4true, Black: 347#(= |#race~next~0| 0), 273#L1045-2true, 341#(= |#race~len~0| 0), 327#true, 331#true, 355#true]) [2024-11-13 13:44:10,807 INFO L294 olderBase$Statistics]: this new event has 140 ancestors and is cut-off event [2024-11-13 13:44:10,807 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2024-11-13 13:44:10,807 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2024-11-13 13:44:10,807 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2024-11-13 13:44:12,851 INFO L124 PetriNetUnfolderBase]: 2233/24096 cut-off events. [2024-11-13 13:44:12,851 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-13 13:44:12,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28141 conditions, 24096 events. 2233/24096 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 353879 event pairs, 1151 based on Foata normal form. 1/20435 useless extension candidates. Maximal degree in co-relation 28093. Up to 2300 conditions per place. [2024-11-13 13:44:13,038 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 20 selfloop transitions, 0 changer transitions 4/332 dead transitions. [2024-11-13 13:44:13,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 332 transitions, 841 flow [2024-11-13 13:44:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:44:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 13:44:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1540 transitions. [2024-11-13 13:44:13,042 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9032258064516129 [2024-11-13 13:44:13,042 INFO L175 Difference]: Start difference. First operand has 315 places, 329 transitions, 787 flow. Second operand 5 states and 1540 transitions. [2024-11-13 13:44:13,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 332 transitions, 841 flow [2024-11-13 13:44:13,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 332 transitions, 835 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 13:44:13,049 INFO L231 Difference]: Finished difference. Result has 319 places, 328 transitions, 785 flow [2024-11-13 13:44:13,050 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=785, PETRI_PLACES=319, PETRI_TRANSITIONS=328} [2024-11-13 13:44:13,050 INFO L277 CegarLoopForPetriNet]: 330 programPoint places, -11 predicate places. [2024-11-13 13:44:13,051 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 328 transitions, 785 flow [2024-11-13 13:44:13,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 305.6) internal successors, (1528), 5 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:13,051 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:44:13,052 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:13,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:44:13,052 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:44:13,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:13,053 INFO L85 PathProgramCache]: Analyzing trace with hash 762419315, now seen corresponding path program 1 times [2024-11-13 13:44:13,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:13,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017321960] [2024-11-13 13:44:13,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:13,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:44:13,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:44:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:44:13,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:44:13,118 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:44:13,120 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining) [2024-11-13 13:44:13,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2024-11-13 13:44:13,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2024-11-13 13:44:13,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2024-11-13 13:44:13,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2024-11-13 13:44:13,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2024-11-13 13:44:13,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2024-11-13 13:44:13,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2024-11-13 13:44:13,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (19 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2024-11-13 13:44:13,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2024-11-13 13:44:13,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2024-11-13 13:44:13,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2024-11-13 13:44:13,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2024-11-13 13:44:13,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2024-11-13 13:44:13,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2024-11-13 13:44:13,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2024-11-13 13:44:13,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2024-11-13 13:44:13,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2024-11-13 13:44:13,125 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2024-11-13 13:44:13,125 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2024-11-13 13:44:13,125 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2024-11-13 13:44:13,125 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2024-11-13 13:44:13,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:44:13,125 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:13,126 WARN L247 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:44:13,126 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-13 13:44:13,215 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:44:13,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 413 places, 427 transitions, 882 flow [2024-11-13 13:44:13,319 INFO L124 PetriNetUnfolderBase]: 27/477 cut-off events. [2024-11-13 13:44:13,319 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-13 13:44:13,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 477 events. 27/477 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1578 event pairs, 0 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 386. Up to 10 conditions per place. [2024-11-13 13:44:13,326 INFO L82 GeneralOperation]: Start removeDead. Operand has 413 places, 427 transitions, 882 flow [2024-11-13 13:44:13,333 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 413 places, 427 transitions, 882 flow [2024-11-13 13:44:13,335 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:44:13,335 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;@71ffffaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:44:13,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2024-11-13 13:44:13,341 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:44:13,341 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-11-13 13:44:13,341 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:44:13,341 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:44:13,341 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:13,341 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-13 13:44:13,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:13,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1611861818, now seen corresponding path program 1 times [2024-11-13 13:44:13,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:13,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775506149] [2024-11-13 13:44:13,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:13,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:13,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:13,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775506149] [2024-11-13 13:44:13,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775506149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:13,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:13,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:44:13,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036535586] [2024-11-13 13:44:13,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:13,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:44:13,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:13,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:44:13,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:13,477 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 427 [2024-11-13 13:44:13,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 427 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:13,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:44:13,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 427 [2024-11-13 13:44:13,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:44:21,366 INFO L124 PetriNetUnfolderBase]: 7737/41874 cut-off events. [2024-11-13 13:44:21,366 INFO L125 PetriNetUnfolderBase]: For 3752/3752 co-relation queries the response was YES. [2024-11-13 13:44:21,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53423 conditions, 41874 events. 7737/41874 cut-off events. For 3752/3752 co-relation queries the response was YES. Maximal size of possible extension queue 1133. Compared 611780 event pairs, 6804 based on Foata normal form. 5588/40931 useless extension candidates. Maximal degree in co-relation 44090. Up to 9608 conditions per place. [2024-11-13 13:44:22,025 INFO L140 encePairwiseOnDemand]: 409/427 looper letters, 31 selfloop transitions, 2 changer transitions 1/398 dead transitions. [2024-11-13 13:44:22,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 398 transitions, 890 flow [2024-11-13 13:44:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:44:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:44:22,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1168 transitions. [2024-11-13 13:44:22,029 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9117876658860266 [2024-11-13 13:44:22,029 INFO L175 Difference]: Start difference. First operand has 413 places, 427 transitions, 882 flow. Second operand 3 states and 1168 transitions. [2024-11-13 13:44:22,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 398 transitions, 890 flow [2024-11-13 13:44:22,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 398 transitions, 884 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-11-13 13:44:22,038 INFO L231 Difference]: Finished difference. Result has 400 places, 397 transitions, 820 flow [2024-11-13 13:44:22,040 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=400, PETRI_TRANSITIONS=397} [2024-11-13 13:44:22,040 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -13 predicate places. [2024-11-13 13:44:22,041 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 397 transitions, 820 flow [2024-11-13 13:44:22,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:22,042 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:44:22,042 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:22,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 13:44:22,042 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-13 13:44:22,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:22,043 INFO L85 PathProgramCache]: Analyzing trace with hash 642506614, now seen corresponding path program 1 times [2024-11-13 13:44:22,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:22,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709421666] [2024-11-13 13:44:22,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:22,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:22,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:22,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709421666] [2024-11-13 13:44:22,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709421666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:22,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:22,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:44:22,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560336465] [2024-11-13 13:44:22,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:22,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:44:22,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:22,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:44:22,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:22,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 427 [2024-11-13 13:44:22,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 397 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:22,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:44:22,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 427 [2024-11-13 13:44:22,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:44:23,877 INFO L124 PetriNetUnfolderBase]: 909/9202 cut-off events. [2024-11-13 13:44:23,877 INFO L125 PetriNetUnfolderBase]: For 259/259 co-relation queries the response was YES. [2024-11-13 13:44:23,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10497 conditions, 9202 events. 909/9202 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 110276 event pairs, 684 based on Foata normal form. 0/7629 useless extension candidates. Maximal degree in co-relation 10458. Up to 1031 conditions per place. [2024-11-13 13:44:24,061 INFO L140 encePairwiseOnDemand]: 424/427 looper letters, 22 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2024-11-13 13:44:24,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 396 transitions, 866 flow [2024-11-13 13:44:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:44:24,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:44:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1171 transitions. [2024-11-13 13:44:24,064 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9141295862607338 [2024-11-13 13:44:24,064 INFO L175 Difference]: Start difference. First operand has 400 places, 397 transitions, 820 flow. Second operand 3 states and 1171 transitions. [2024-11-13 13:44:24,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 396 transitions, 866 flow [2024-11-13 13:44:24,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 396 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:44:24,072 INFO L231 Difference]: Finished difference. Result has 398 places, 396 transitions, 818 flow [2024-11-13 13:44:24,073 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=398, PETRI_TRANSITIONS=396} [2024-11-13 13:44:24,073 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -15 predicate places. [2024-11-13 13:44:24,074 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 396 transitions, 818 flow [2024-11-13 13:44:24,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:24,074 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:44:24,075 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:24,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 13:44:24,075 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-13 13:44:24,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:24,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1480852290, now seen corresponding path program 1 times [2024-11-13 13:44:24,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:24,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829836504] [2024-11-13 13:44:24,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:24,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:24,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:24,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829836504] [2024-11-13 13:44:24,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829836504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:24,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:24,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:44:24,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244183399] [2024-11-13 13:44:24,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:24,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:44:24,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:24,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:44:24,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:24,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 427 [2024-11-13 13:44:24,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 396 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:24,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:44:24,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 427 [2024-11-13 13:44:24,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:44:27,904 INFO L124 PetriNetUnfolderBase]: 2261/20903 cut-off events. [2024-11-13 13:44:27,904 INFO L125 PetriNetUnfolderBase]: For 473/473 co-relation queries the response was YES. [2024-11-13 13:44:28,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23886 conditions, 20903 events. 2261/20903 cut-off events. For 473/473 co-relation queries the response was YES. Maximal size of possible extension queue 524. Compared 295674 event pairs, 1720 based on Foata normal form. 0/17505 useless extension candidates. Maximal degree in co-relation 23839. Up to 2506 conditions per place. [2024-11-13 13:44:28,221 INFO L140 encePairwiseOnDemand]: 419/427 looper letters, 26 selfloop transitions, 1 changer transitions 0/389 dead transitions. [2024-11-13 13:44:28,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 389 transitions, 858 flow [2024-11-13 13:44:28,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:44:28,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:44:28,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1156 transitions. [2024-11-13 13:44:28,225 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9024199843871975 [2024-11-13 13:44:28,225 INFO L175 Difference]: Start difference. First operand has 398 places, 396 transitions, 818 flow. Second operand 3 states and 1156 transitions. [2024-11-13 13:44:28,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 389 transitions, 858 flow [2024-11-13 13:44:28,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 389 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:44:28,233 INFO L231 Difference]: Finished difference. Result has 391 places, 389 transitions, 802 flow [2024-11-13 13:44:28,233 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=391, PETRI_TRANSITIONS=389} [2024-11-13 13:44:28,234 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -22 predicate places. [2024-11-13 13:44:28,234 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 389 transitions, 802 flow [2024-11-13 13:44:28,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:28,234 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:44:28,235 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:28,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 13:44:28,235 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-13 13:44:28,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:28,235 INFO L85 PathProgramCache]: Analyzing trace with hash 154656529, now seen corresponding path program 1 times [2024-11-13 13:44:28,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:28,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730628901] [2024-11-13 13:44:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:28,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:28,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:28,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730628901] [2024-11-13 13:44:28,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730628901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:28,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:28,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:44:28,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223142684] [2024-11-13 13:44:28,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:28,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:44:28,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:28,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:44:28,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:28,394 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 427 [2024-11-13 13:44:28,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 389 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:28,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:44:28,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 427 [2024-11-13 13:44:28,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:44:33,765 INFO L124 PetriNetUnfolderBase]: 4251/26684 cut-off events. [2024-11-13 13:44:33,766 INFO L125 PetriNetUnfolderBase]: For 781/781 co-relation queries the response was YES. [2024-11-13 13:44:34,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32657 conditions, 26684 events. 4251/26684 cut-off events. For 781/781 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 358363 event pairs, 3630 based on Foata normal form. 0/22527 useless extension candidates. Maximal degree in co-relation 32610. Up to 5188 conditions per place. [2024-11-13 13:44:34,480 INFO L140 encePairwiseOnDemand]: 424/427 looper letters, 27 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2024-11-13 13:44:34,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 388 transitions, 858 flow [2024-11-13 13:44:34,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:44:34,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:44:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1161 transitions. [2024-11-13 13:44:34,483 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9063231850117096 [2024-11-13 13:44:34,483 INFO L175 Difference]: Start difference. First operand has 391 places, 389 transitions, 802 flow. Second operand 3 states and 1161 transitions. [2024-11-13 13:44:34,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 388 transitions, 858 flow [2024-11-13 13:44:34,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 388 transitions, 857 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:44:34,491 INFO L231 Difference]: Finished difference. Result has 391 places, 388 transitions, 803 flow [2024-11-13 13:44:34,492 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=803, PETRI_PLACES=391, PETRI_TRANSITIONS=388} [2024-11-13 13:44:34,492 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -22 predicate places. [2024-11-13 13:44:34,492 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 388 transitions, 803 flow [2024-11-13 13:44:34,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:34,493 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:44:34,494 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:34,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 13:44:34,494 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-13 13:44:34,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:34,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1528504949, now seen corresponding path program 1 times [2024-11-13 13:44:34,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:34,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152550910] [2024-11-13 13:44:34,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:34,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:34,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:34,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152550910] [2024-11-13 13:44:34,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152550910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:34,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:34,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:44:34,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940559390] [2024-11-13 13:44:34,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:34,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:44:34,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:34,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:44:34,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:34,663 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 427 [2024-11-13 13:44:34,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 388 transitions, 803 flow. Second operand has 3 states, 3 states have (on average 356.6666666666667) internal successors, (1070), 3 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:34,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:44:34,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 427 [2024-11-13 13:44:34,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand