./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7b1b4de6077c19ce6e7b3206b7aec935b2c49ded10f81f01daddf9a689038c1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:18:42,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:42,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:18:42,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:42,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:42,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:42,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:42,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:42,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:18:42,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:18:42,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:42,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:42,536 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:42,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:42,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:18:42,537 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:18:42,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:18:42,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:18:42,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:42,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:18:42,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:18:42,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:18:42,543 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:18:42,544 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:42,544 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:18:42,544 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:18:42,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:42,545 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:42,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:42,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:42,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:18:42,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:42,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:42,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:18:42,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:18:42,551 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:18:42,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:18:42,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:18:42,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:18:42,552 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:18:42,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:18:42,555 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7b1b4de6077c19ce6e7b3206b7aec935b2c49ded10f81f01daddf9a689038c1 [2024-10-31 22:18:42,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:42,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:42,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:42,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:42,905 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:42,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i Unable to find full path for "g++" [2024-10-31 22:18:44,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:45,263 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:45,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i [2024-10-31 22:18:45,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/data/42d1ef6c1/10d486b23f874bcd9093890767042eaa/FLAG26d44b088 [2024-10-31 22:18:45,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/data/42d1ef6c1/10d486b23f874bcd9093890767042eaa [2024-10-31 22:18:45,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:45,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:45,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:45,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:45,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:45,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:45" (1/1) ... [2024-10-31 22:18:45,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69653b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:45, skipping insertion in model container [2024-10-31 22:18:45,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:45" (1/1) ... [2024-10-31 22:18:45,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:46,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:46,109 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:46,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:46,219 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:46,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46 WrapperNode [2024-10-31 22:18:46,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:46,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:46,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:46,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:46,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,271 INFO L138 Inliner]: procedures = 173, calls = 32, calls flagged for inlining = 27, calls inlined = 38, statements flattened = 314 [2024-10-31 22:18:46,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:46,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:46,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:46,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:46,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:46,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:46,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:46,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:46,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:46,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:46,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:46,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33cea09-a89e-48ad-8d12-c3360b521ac6/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:18:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-31 22:18:46,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-31 22:18:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:18:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:18:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:18:46,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:18:46,408 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:18:46,531 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:18:46,534 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:18:47,122 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:18:47,123 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:47,487 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:47,488 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 22:18:47,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:47 BoogieIcfgContainer [2024-10-31 22:18:47,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:47,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:18:47,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:18:47,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:18:47,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:18:45" (1/3) ... [2024-10-31 22:18:47,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23251555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:47, skipping insertion in model container [2024-10-31 22:18:47,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (2/3) ... [2024-10-31 22:18:47,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23251555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:47, skipping insertion in model container [2024-10-31 22:18:47,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:47" (3/3) ... [2024-10-31 22:18:47,502 INFO L112 eAbstractionObserver]: Analyzing ICFG 41_FreeBSD_abd_kbd_sliced.i [2024-10-31 22:18:47,524 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:18:47,525 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2024-10-31 22:18:47,525 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:18:47,623 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:18:47,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 199 places, 220 transitions, 444 flow [2024-10-31 22:18:47,782 INFO L124 PetriNetUnfolderBase]: 25/229 cut-off events. [2024-10-31 22:18:47,782 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:47,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 229 events. 25/229 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 786 event pairs, 0 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 206. Up to 7 conditions per place. [2024-10-31 22:18:47,795 INFO L82 GeneralOperation]: Start removeDead. Operand has 199 places, 220 transitions, 444 flow [2024-10-31 22:18:47,805 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 199 places, 220 transitions, 444 flow [2024-10-31 22:18:47,818 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:47,825 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;@4c2cafa0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:47,826 INFO L334 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2024-10-31 22:18:47,836 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:18:47,836 INFO L124 PetriNetUnfolderBase]: 3/40 cut-off events. [2024-10-31 22:18:47,837 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:47,839 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:47,840 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:47,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-31 22:18:47,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:47,848 INFO L85 PathProgramCache]: Analyzing trace with hash -899126287, now seen corresponding path program 1 times [2024-10-31 22:18:47,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:47,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291781663] [2024-10-31 22:18:47,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:47,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:47,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:48,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:48,043 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:18:48,044 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (80 of 81 remaining) [2024-10-31 22:18:48,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (79 of 81 remaining) [2024-10-31 22:18:48,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (78 of 81 remaining) [2024-10-31 22:18:48,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (77 of 81 remaining) [2024-10-31 22:18:48,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (76 of 81 remaining) [2024-10-31 22:18:48,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 81 remaining) [2024-10-31 22:18:48,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (74 of 81 remaining) [2024-10-31 22:18:48,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (73 of 81 remaining) [2024-10-31 22:18:48,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 81 remaining) [2024-10-31 22:18:48,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (71 of 81 remaining) [2024-10-31 22:18:48,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (70 of 81 remaining) [2024-10-31 22:18:48,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (69 of 81 remaining) [2024-10-31 22:18:48,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (68 of 81 remaining) [2024-10-31 22:18:48,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (67 of 81 remaining) [2024-10-31 22:18:48,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (66 of 81 remaining) [2024-10-31 22:18:48,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (65 of 81 remaining) [2024-10-31 22:18:48,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (64 of 81 remaining) [2024-10-31 22:18:48,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (63 of 81 remaining) [2024-10-31 22:18:48,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (62 of 81 remaining) [2024-10-31 22:18:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 81 remaining) [2024-10-31 22:18:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (60 of 81 remaining) [2024-10-31 22:18:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 81 remaining) [2024-10-31 22:18:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (58 of 81 remaining) [2024-10-31 22:18:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (57 of 81 remaining) [2024-10-31 22:18:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (56 of 81 remaining) [2024-10-31 22:18:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (55 of 81 remaining) [2024-10-31 22:18:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (54 of 81 remaining) [2024-10-31 22:18:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (53 of 81 remaining) [2024-10-31 22:18:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (52 of 81 remaining) [2024-10-31 22:18:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (51 of 81 remaining) [2024-10-31 22:18:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (50 of 81 remaining) [2024-10-31 22:18:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (49 of 81 remaining) [2024-10-31 22:18:48,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (48 of 81 remaining) [2024-10-31 22:18:48,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (47 of 81 remaining) [2024-10-31 22:18:48,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (46 of 81 remaining) [2024-10-31 22:18:48,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (45 of 81 remaining) [2024-10-31 22:18:48,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (44 of 81 remaining) [2024-10-31 22:18:48,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (43 of 81 remaining) [2024-10-31 22:18:48,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (42 of 81 remaining) [2024-10-31 22:18:48,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (41 of 81 remaining) [2024-10-31 22:18:48,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (40 of 81 remaining) [2024-10-31 22:18:48,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 81 remaining) [2024-10-31 22:18:48,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 81 remaining) [2024-10-31 22:18:48,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 81 remaining) [2024-10-31 22:18:48,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (36 of 81 remaining) [2024-10-31 22:18:48,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (35 of 81 remaining) [2024-10-31 22:18:48,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 81 remaining) [2024-10-31 22:18:48,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 81 remaining) [2024-10-31 22:18:48,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 81 remaining) [2024-10-31 22:18:48,058 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (31 of 81 remaining) [2024-10-31 22:18:48,058 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (30 of 81 remaining) [2024-10-31 22:18:48,058 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (29 of 81 remaining) [2024-10-31 22:18:48,058 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (28 of 81 remaining) [2024-10-31 22:18:48,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 81 remaining) [2024-10-31 22:18:48,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 81 remaining) [2024-10-31 22:18:48,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (25 of 81 remaining) [2024-10-31 22:18:48,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (24 of 81 remaining) [2024-10-31 22:18:48,060 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (23 of 81 remaining) [2024-10-31 22:18:48,060 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 81 remaining) [2024-10-31 22:18:48,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (21 of 81 remaining) [2024-10-31 22:18:48,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (20 of 81 remaining) [2024-10-31 22:18:48,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (19 of 81 remaining) [2024-10-31 22:18:48,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (18 of 81 remaining) [2024-10-31 22:18:48,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (17 of 81 remaining) [2024-10-31 22:18:48,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (16 of 81 remaining) [2024-10-31 22:18:48,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (15 of 81 remaining) [2024-10-31 22:18:48,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (14 of 81 remaining) [2024-10-31 22:18:48,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (13 of 81 remaining) [2024-10-31 22:18:48,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (12 of 81 remaining) [2024-10-31 22:18:48,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (11 of 81 remaining) [2024-10-31 22:18:48,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (10 of 81 remaining) [2024-10-31 22:18:48,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (9 of 81 remaining) [2024-10-31 22:18:48,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (8 of 81 remaining) [2024-10-31 22:18:48,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (7 of 81 remaining) [2024-10-31 22:18:48,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (6 of 81 remaining) [2024-10-31 22:18:48,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (5 of 81 remaining) [2024-10-31 22:18:48,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (4 of 81 remaining) [2024-10-31 22:18:48,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (3 of 81 remaining) [2024-10-31 22:18:48,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (2 of 81 remaining) [2024-10-31 22:18:48,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (1 of 81 remaining) [2024-10-31 22:18:48,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (0 of 81 remaining) [2024-10-31 22:18:48,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:18:48,071 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:18:48,076 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-31 22:18:48,076 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-31 22:18:48,160 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:18:48,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 376 places, 418 transitions, 846 flow [2024-10-31 22:18:48,414 INFO L124 PetriNetUnfolderBase]: 49/436 cut-off events. [2024-10-31 22:18:48,414 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:18:48,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 436 events. 49/436 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2168 event pairs, 0 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 403. Up to 7 conditions per place. [2024-10-31 22:18:48,440 INFO L82 GeneralOperation]: Start removeDead. Operand has 376 places, 418 transitions, 846 flow [2024-10-31 22:18:48,465 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 376 places, 418 transitions, 846 flow [2024-10-31 22:18:48,471 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:48,472 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;@4c2cafa0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:48,472 INFO L334 AbstractCegarLoop]: Starting to check reachability of 121 error locations. [2024-10-31 22:18:48,489 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:18:48,489 INFO L124 PetriNetUnfolderBase]: 5/65 cut-off events. [2024-10-31 22:18:48,490 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:18:48,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:48,490 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] [2024-10-31 22:18:48,490 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-10-31 22:18:48,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:48,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1287583156, now seen corresponding path program 1 times [2024-10-31 22:18:48,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:48,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246312794] [2024-10-31 22:18:48,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:48,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:48,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:48,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:48,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246312794] [2024-10-31 22:18:48,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246312794] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:48,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:48,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:18:48,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107524826] [2024-10-31 22:18:48,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:48,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:18:48,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:48,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:18:48,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:18:48,703 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 418 [2024-10-31 22:18:48,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 418 transitions, 846 flow. Second operand has 2 states, 2 states have (on average 297.0) internal successors, (594), 2 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:48,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:48,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 418 [2024-10-31 22:18:48,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:49,273 INFO L124 PetriNetUnfolderBase]: 294/2220 cut-off events. [2024-10-31 22:18:49,274 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2024-10-31 22:18:49,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2631 conditions, 2220 events. 294/2220 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 21016 event pairs, 143 based on Foata normal form. 513/2340 useless extension candidates. Maximal degree in co-relation 331. Up to 370 conditions per place. [2024-10-31 22:18:49,293 INFO L140 encePairwiseOnDemand]: 334/418 looper letters, 28 selfloop transitions, 0 changer transitions 0/307 dead transitions. [2024-10-31 22:18:49,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 307 transitions, 680 flow [2024-10-31 22:18:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:18:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-31 22:18:49,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 704 transitions. [2024-10-31 22:18:49,315 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8421052631578947 [2024-10-31 22:18:49,319 INFO L175 Difference]: Start difference. First operand has 376 places, 418 transitions, 846 flow. Second operand 2 states and 704 transitions. [2024-10-31 22:18:49,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 307 transitions, 680 flow [2024-10-31 22:18:49,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 307 transitions, 680 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:18:49,332 INFO L231 Difference]: Finished difference. Result has 295 places, 307 transitions, 624 flow [2024-10-31 22:18:49,335 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=624, PETRI_PLACES=295, PETRI_TRANSITIONS=307} [2024-10-31 22:18:49,339 INFO L277 CegarLoopForPetriNet]: 376 programPoint places, -81 predicate places. [2024-10-31 22:18:49,339 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 307 transitions, 624 flow [2024-10-31 22:18:49,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 297.0) internal successors, (594), 2 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:49,340 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:49,340 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:49,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:18:49,340 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-10-31 22:18:49,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:49,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1938849014, now seen corresponding path program 1 times [2024-10-31 22:18:49,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:49,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167263029] [2024-10-31 22:18:49,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:49,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:49,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:49,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:49,404 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:18:49,405 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (120 of 121 remaining) [2024-10-31 22:18:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (119 of 121 remaining) [2024-10-31 22:18:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (118 of 121 remaining) [2024-10-31 22:18:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (117 of 121 remaining) [2024-10-31 22:18:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (116 of 121 remaining) [2024-10-31 22:18:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (115 of 121 remaining) [2024-10-31 22:18:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (114 of 121 remaining) [2024-10-31 22:18:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (113 of 121 remaining) [2024-10-31 22:18:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (112 of 121 remaining) [2024-10-31 22:18:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (111 of 121 remaining) [2024-10-31 22:18:49,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (110 of 121 remaining) [2024-10-31 22:18:49,411 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (109 of 121 remaining) [2024-10-31 22:18:49,411 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (108 of 121 remaining) [2024-10-31 22:18:49,411 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (107 of 121 remaining) [2024-10-31 22:18:49,411 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (106 of 121 remaining) [2024-10-31 22:18:49,411 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (105 of 121 remaining) [2024-10-31 22:18:49,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (104 of 121 remaining) [2024-10-31 22:18:49,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (103 of 121 remaining) [2024-10-31 22:18:49,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (102 of 121 remaining) [2024-10-31 22:18:49,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (101 of 121 remaining) [2024-10-31 22:18:49,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (100 of 121 remaining) [2024-10-31 22:18:49,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (99 of 121 remaining) [2024-10-31 22:18:49,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (98 of 121 remaining) [2024-10-31 22:18:49,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (97 of 121 remaining) [2024-10-31 22:18:49,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (96 of 121 remaining) [2024-10-31 22:18:49,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (95 of 121 remaining) [2024-10-31 22:18:49,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (94 of 121 remaining) [2024-10-31 22:18:49,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (93 of 121 remaining) [2024-10-31 22:18:49,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (92 of 121 remaining) [2024-10-31 22:18:49,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (91 of 121 remaining) [2024-10-31 22:18:49,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (90 of 121 remaining) [2024-10-31 22:18:49,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (89 of 121 remaining) [2024-10-31 22:18:49,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (88 of 121 remaining) [2024-10-31 22:18:49,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (87 of 121 remaining) [2024-10-31 22:18:49,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (86 of 121 remaining) [2024-10-31 22:18:49,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (85 of 121 remaining) [2024-10-31 22:18:49,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (84 of 121 remaining) [2024-10-31 22:18:49,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (83 of 121 remaining) [2024-10-31 22:18:49,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (82 of 121 remaining) [2024-10-31 22:18:49,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (81 of 121 remaining) [2024-10-31 22:18:49,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (80 of 121 remaining) [2024-10-31 22:18:49,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (79 of 121 remaining) [2024-10-31 22:18:49,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (78 of 121 remaining) [2024-10-31 22:18:49,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (77 of 121 remaining) [2024-10-31 22:18:49,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (76 of 121 remaining) [2024-10-31 22:18:49,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 121 remaining) [2024-10-31 22:18:49,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (74 of 121 remaining) [2024-10-31 22:18:49,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (73 of 121 remaining) [2024-10-31 22:18:49,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 121 remaining) [2024-10-31 22:18:49,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (71 of 121 remaining) [2024-10-31 22:18:49,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (70 of 121 remaining) [2024-10-31 22:18:49,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (69 of 121 remaining) [2024-10-31 22:18:49,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (68 of 121 remaining) [2024-10-31 22:18:49,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (67 of 121 remaining) [2024-10-31 22:18:49,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (66 of 121 remaining) [2024-10-31 22:18:49,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (65 of 121 remaining) [2024-10-31 22:18:49,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (64 of 121 remaining) [2024-10-31 22:18:49,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (63 of 121 remaining) [2024-10-31 22:18:49,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (62 of 121 remaining) [2024-10-31 22:18:49,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 121 remaining) [2024-10-31 22:18:49,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (60 of 121 remaining) [2024-10-31 22:18:49,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 121 remaining) [2024-10-31 22:18:49,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (58 of 121 remaining) [2024-10-31 22:18:49,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (57 of 121 remaining) [2024-10-31 22:18:49,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (56 of 121 remaining) [2024-10-31 22:18:49,427 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (55 of 121 remaining) [2024-10-31 22:18:49,427 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (54 of 121 remaining) [2024-10-31 22:18:49,427 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (53 of 121 remaining) [2024-10-31 22:18:49,427 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (52 of 121 remaining) [2024-10-31 22:18:49,427 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (51 of 121 remaining) [2024-10-31 22:18:49,427 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (50 of 121 remaining) [2024-10-31 22:18:49,428 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (49 of 121 remaining) [2024-10-31 22:18:49,428 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (48 of 121 remaining) [2024-10-31 22:18:49,428 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (47 of 121 remaining) [2024-10-31 22:18:49,428 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (46 of 121 remaining) [2024-10-31 22:18:49,428 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (45 of 121 remaining) [2024-10-31 22:18:49,428 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (44 of 121 remaining) [2024-10-31 22:18:49,429 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (43 of 121 remaining) [2024-10-31 22:18:49,429 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (42 of 121 remaining) [2024-10-31 22:18:49,429 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (41 of 121 remaining) [2024-10-31 22:18:49,429 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (40 of 121 remaining) [2024-10-31 22:18:49,429 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 121 remaining) [2024-10-31 22:18:49,429 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 121 remaining) [2024-10-31 22:18:49,430 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 121 remaining) [2024-10-31 22:18:49,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (36 of 121 remaining) [2024-10-31 22:18:49,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (35 of 121 remaining) [2024-10-31 22:18:49,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 121 remaining) [2024-10-31 22:18:49,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 121 remaining) [2024-10-31 22:18:49,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 121 remaining) [2024-10-31 22:18:49,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (31 of 121 remaining) [2024-10-31 22:18:49,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (30 of 121 remaining) [2024-10-31 22:18:49,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (29 of 121 remaining) [2024-10-31 22:18:49,434 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (28 of 121 remaining) [2024-10-31 22:18:49,434 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 121 remaining) [2024-10-31 22:18:49,434 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 121 remaining) [2024-10-31 22:18:49,434 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (25 of 121 remaining) [2024-10-31 22:18:49,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (24 of 121 remaining) [2024-10-31 22:18:49,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (23 of 121 remaining) [2024-10-31 22:18:49,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 121 remaining) [2024-10-31 22:18:49,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (21 of 121 remaining) [2024-10-31 22:18:49,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (20 of 121 remaining) [2024-10-31 22:18:49,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (19 of 121 remaining) [2024-10-31 22:18:49,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (18 of 121 remaining) [2024-10-31 22:18:49,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (17 of 121 remaining) [2024-10-31 22:18:49,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (16 of 121 remaining) [2024-10-31 22:18:49,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (15 of 121 remaining) [2024-10-31 22:18:49,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (14 of 121 remaining) [2024-10-31 22:18:49,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (13 of 121 remaining) [2024-10-31 22:18:49,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (12 of 121 remaining) [2024-10-31 22:18:49,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (11 of 121 remaining) [2024-10-31 22:18:49,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (10 of 121 remaining) [2024-10-31 22:18:49,438 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (9 of 121 remaining) [2024-10-31 22:18:49,438 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (8 of 121 remaining) [2024-10-31 22:18:49,438 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (7 of 121 remaining) [2024-10-31 22:18:49,438 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (6 of 121 remaining) [2024-10-31 22:18:49,438 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (5 of 121 remaining) [2024-10-31 22:18:49,439 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (4 of 121 remaining) [2024-10-31 22:18:49,439 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (3 of 121 remaining) [2024-10-31 22:18:49,439 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (2 of 121 remaining) [2024-10-31 22:18:49,439 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (1 of 121 remaining) [2024-10-31 22:18:49,439 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (0 of 121 remaining) [2024-10-31 22:18:49,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:18:49,440 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:18:49,440 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-31 22:18:49,440 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-31 22:18:49,520 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:18:49,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 553 places, 616 transitions, 1250 flow [2024-10-31 22:18:49,824 INFO L124 PetriNetUnfolderBase]: 73/643 cut-off events. [2024-10-31 22:18:49,825 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 22:18:49,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 656 conditions, 643 events. 73/643 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3814 event pairs, 0 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 600. Up to 8 conditions per place. [2024-10-31 22:18:49,838 INFO L82 GeneralOperation]: Start removeDead. Operand has 553 places, 616 transitions, 1250 flow [2024-10-31 22:18:49,867 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 553 places, 616 transitions, 1250 flow [2024-10-31 22:18:49,868 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:49,869 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;@4c2cafa0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:49,869 INFO L334 AbstractCegarLoop]: Starting to check reachability of 161 error locations. [2024-10-31 22:18:49,876 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:18:49,877 INFO L124 PetriNetUnfolderBase]: 5/65 cut-off events. [2024-10-31 22:18:49,877 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:18:49,877 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:49,877 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] [2024-10-31 22:18:49,877 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 157 more)] === [2024-10-31 22:18:49,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:49,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1071415257, now seen corresponding path program 1 times [2024-10-31 22:18:49,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:49,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521321445] [2024-10-31 22:18:49,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:49,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:49,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:49,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:49,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521321445] [2024-10-31 22:18:49,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521321445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:49,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:49,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:18:49,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119352893] [2024-10-31 22:18:49,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:49,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:18:49,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:49,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:18:49,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:18:49,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 616 [2024-10-31 22:18:49,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 616 transitions, 1250 flow. Second operand has 2 states, 2 states have (on average 435.0) internal successors, (870), 2 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:49,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:49,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 616 [2024-10-31 22:18:49,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:56,624 INFO L124 PetriNetUnfolderBase]: 6228/30499 cut-off events. [2024-10-31 22:18:56,624 INFO L125 PetriNetUnfolderBase]: For 1414/1414 co-relation queries the response was YES. [2024-10-31 22:18:56,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38435 conditions, 30499 events. 6228/30499 cut-off events. For 1414/1414 co-relation queries the response was YES. Maximal size of possible extension queue 1169. Compared 444934 event pairs, 3894 based on Foata normal form. 9097/34612 useless extension candidates. Maximal degree in co-relation 2628. Up to 7266 conditions per place. [2024-10-31 22:18:56,969 INFO L140 encePairwiseOnDemand]: 491/616 looper letters, 42 selfloop transitions, 0 changer transitions 0/452 dead transitions. [2024-10-31 22:18:56,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 452 transitions, 1006 flow [2024-10-31 22:18:56,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:18:56,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-31 22:18:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1035 transitions. [2024-10-31 22:18:56,973 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8400974025974026 [2024-10-31 22:18:56,973 INFO L175 Difference]: Start difference. First operand has 553 places, 616 transitions, 1250 flow. Second operand 2 states and 1035 transitions. [2024-10-31 22:18:56,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 452 transitions, 1006 flow [2024-10-31 22:18:56,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 452 transitions, 1004 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-10-31 22:18:56,995 INFO L231 Difference]: Finished difference. Result has 433 places, 452 transitions, 920 flow [2024-10-31 22:18:56,996 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=920, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=920, PETRI_PLACES=433, PETRI_TRANSITIONS=452} [2024-10-31 22:18:56,997 INFO L277 CegarLoopForPetriNet]: 553 programPoint places, -120 predicate places. [2024-10-31 22:18:56,998 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 452 transitions, 920 flow [2024-10-31 22:18:56,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 435.0) internal successors, (870), 2 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:56,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:56,999 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] [2024-10-31 22:18:56,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:18:56,999 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 157 more)] === [2024-10-31 22:18:57,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:57,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1162165133, now seen corresponding path program 1 times [2024-10-31 22:18:57,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:57,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093009121] [2024-10-31 22:18:57,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:57,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:57,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:57,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:57,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093009121] [2024-10-31 22:18:57,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093009121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:57,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:57,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:57,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789310556] [2024-10-31 22:18:57,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:57,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:57,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:57,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:57,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:57,303 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 616 [2024-10-31 22:18:57,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 452 transitions, 920 flow. Second operand has 3 states, 3 states have (on average 390.3333333333333) internal successors, (1171), 3 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:57,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:57,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 616 [2024-10-31 22:18:57,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand