/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/Termination.epf -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 18:19:09,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 18:19:09,656 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 18:19:09,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 18:19:09,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 18:19:09,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 18:19:09,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 18:19:09,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 18:19:09,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 18:19:09,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 18:19:09,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 18:19:09,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 18:19:09,682 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 18:19:09,683 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 18:19:09,683 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 18:19:09,683 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 18:19:09,683 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 18:19:09,683 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 18:19:09,683 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 18:19:09,683 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 18:19:09,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 18:19:09,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 18:19:09,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:19:09,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 18:19:09,685 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 18:19:09,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 18:19:09,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 18:19:09,685 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 18:19:09,685 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 18:19:09,685 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 18:19:09,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 18:19:09,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 18:19:09,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 18:19:09,921 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-26 18:19:09,921 INFO L274 PluginConnector]: CDTParser initialized [2025-04-26 18:19:09,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2025-04-26 18:19:11,237 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/db87b23ad/e699b86261114448b1935eb745b1eb4a/FLAG7c0a4646b [2025-04-26 18:19:11,515 INFO L389 CDTParser]: Found 1 translation units. [2025-04-26 18:19:11,516 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2025-04-26 18:19:11,536 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/db87b23ad/e699b86261114448b1935eb745b1eb4a/FLAG7c0a4646b [2025-04-26 18:19:12,238 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/db87b23ad/e699b86261114448b1935eb745b1eb4a [2025-04-26 18:19:12,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 18:19:12,242 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-26 18:19:12,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-26 18:19:12,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-26 18:19:12,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-26 18:19:12,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777fa74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12, skipping insertion in model container [2025-04-26 18:19:12,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-26 18:19:12,657 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2025-04-26 18:19:12,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-26 18:19:12,704 INFO L200 MainTranslator]: Completed pre-run [2025-04-26 18:19:12,762 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2025-04-26 18:19:12,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-26 18:19:12,857 INFO L204 MainTranslator]: Completed translation [2025-04-26 18:19:12,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12 WrapperNode [2025-04-26 18:19:12,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-26 18:19:12,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 18:19:12,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 18:19:12,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 18:19:12,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,904 INFO L138 Inliner]: procedures = 487, calls = 36, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 190 [2025-04-26 18:19:12,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 18:19:12,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 18:19:12,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 18:19:12,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 18:19:12,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,921 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,924 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 18:19:12,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 18:19:12,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 18:19:12,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 18:19:12,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (1/1) ... [2025-04-26 18:19:12,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:19:12,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:19:12,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-26 18:19:12,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-26 18:19:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2025-04-26 18:19:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2025-04-26 18:19:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-26 18:19:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2025-04-26 18:19:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2025-04-26 18:19:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-26 18:19:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-26 18:19:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-04-26 18:19:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 18:19:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 18:19:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-26 18:19:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-26 18:19:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-26 18:19:12,979 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 18:19:13,163 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 18:19:13,164 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 18:19:13,342 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 18:19:13,342 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 18:19:13,354 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 18:19:13,354 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-04-26 18:19:13,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:19:13 BoogieIcfgContainer [2025-04-26 18:19:13,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 18:19:13,355 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 18:19:13,355 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 18:19:13,358 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 18:19:13,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:19:13,359 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.04 06:19:12" (1/3) ... [2025-04-26 18:19:13,360 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d19a2c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 06:19:13, skipping insertion in model container [2025-04-26 18:19:13,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:19:13,360 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:19:12" (2/3) ... [2025-04-26 18:19:13,360 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d19a2c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 06:19:13, skipping insertion in model container [2025-04-26 18:19:13,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:19:13,360 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:19:13" (3/3) ... [2025-04-26 18:19:13,361 INFO L376 chiAutomizerObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2025-04-26 18:19:13,434 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2025-04-26 18:19:13,464 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 18:19:13,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 18:19:13,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:19:13,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-26 18:19:13,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-26 18:19:13,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 273 places, 303 transitions, 633 flow [2025-04-26 18:19:13,626 INFO L116 PetriNetUnfolderBase]: 31/309 cut-off events. [2025-04-26 18:19:13,629 INFO L117 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-04-26 18:19:13,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 309 events. 31/309 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 792 event pairs, 0 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 209. Up to 11 conditions per place. [2025-04-26 18:19:13,635 INFO L82 GeneralOperation]: Start removeDead. Operand has 273 places, 303 transitions, 633 flow [2025-04-26 18:19:13,645 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 195 places, 211 transitions, 438 flow [2025-04-26 18:19:13,645 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 195 places, 211 transitions, 438 flow [2025-04-26 18:19:13,646 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 195 places, 211 transitions, 438 flow [2025-04-26 18:19:14,348 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 30179 states, 30155 states have (on average 3.1214392306416845) internal successors, (in total 94127), 30178 states have internal predecessors, (94127), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:19:14,409 INFO L171 actionProvider$Eager]: Constructed initial Büchi automaton abstraction (from Petri net) that has 30179 states, 30155 states have (on average 3.1214392306416845) internal successors, (in total 94127), 30178 states have internal predecessors, (94127), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:19:14,412 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 18:19:14,551 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 45384#[L1780-5, thread_ath9kEXIT, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:14,558 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 47188#[L1781, thread_ath9kEXIT, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:14,563 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 48884#[thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread_ath9kEXIT, module_init_returnLabel#1]true [2025-04-26 18:19:14,570 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 50462#[L1796-2, thread_ath9kEXIT, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:14,582 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 51920#[thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread_ath9kEXIT, L1796-3]true [2025-04-26 18:19:14,766 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 53250#[thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread_ath9kEXIT, L1796-6]true [2025-04-26 18:19:14,770 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 54438#[L1797, thread_ath9kEXIT, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:14,924 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 58600#[thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, L1699, L1789-1]true [2025-04-26 18:19:14,927 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 59098#[L1700, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, L1789-1]true [2025-04-26 18:19:14,954 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 55480#[L1789, thread_ath9kEXIT, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:14,986 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 60282#[L1789, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,068 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 58066#[L1789, L1699, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,071 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 58654#[L1700, L1789, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,107 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 60116#[thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, L1797, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,167 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 57408#[L1699, L1797, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,170 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 58110#[L1700, L1797, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,203 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 59890#[thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, L1796-6]true [2025-04-26 18:19:15,272 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 56630#[thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, L1699, L1796-6]true [2025-04-26 18:19:15,274 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 57452#[L1700, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, L1796-6]true [2025-04-26 18:19:15,339 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 59590#[thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, L1796-3, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,473 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 55726#[L1699, L1796-3, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,486 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 56674#[L1700, L1796-3, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,563 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 59212#[L1796-2, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,614 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 54684#[L1796-2, L1699, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,616 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 55770#[L1700, L1796-2, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,649 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 58758#[module_init_returnLabel#1, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,694 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 53496#[thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, L1699, module_init_returnLabel#1]true [2025-04-26 18:19:15,696 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 54728#[L1700, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, module_init_returnLabel#1]true [2025-04-26 18:19:15,723 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 58214#[L1781, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,772 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 52166#[L1781, L1699, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,774 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 53540#[L1781, L1700, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,796 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 57556#[thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, L1780-5, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,827 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 50708#[L1699, L1780-5, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,829 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 52210#[L1700, L1780-5, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,847 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 43498#[thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread_ath9kEXIT, L1780-4]true [2025-04-26 18:19:15,850 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 56778#[thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, L1780-4, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,878 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 49130#[L1699, L1780-4, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,880 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 50752#[L1700, L1780-4, thread_usbThread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES]true [2025-04-26 18:19:15,897 WARN L140 AmpleReduction]: Number of pruned transitions: 33478 [2025-04-26 18:19:15,897 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 38 [2025-04-26 18:19:15,898 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 709 [2025-04-26 18:19:15,898 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:2170 [2025-04-26 18:19:15,899 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:17793 [2025-04-26 18:19:15,899 WARN L145 AmpleReduction]: Times succ was already a loop node:627 [2025-04-26 18:19:15,899 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:2988 [2025-04-26 18:19:15,899 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 18:19:15,932 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 20635 states, 20611 states have (on average 1.4334093445247684) internal successors, (in total 29544), 20634 states have internal predecessors, (29544), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:19:15,939 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 18:19:15,939 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 18:19:15,939 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 18:19:15,939 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 18:19:15,939 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 18:19:15,940 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 18:19:15,940 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 18:19:15,940 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 18:19:15,963 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20635 states, 20611 states have (on average 1.4334093445247684) internal successors, (in total 29544), 20634 states have internal predecessors, (29544), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:19:16,166 INFO L131 ngComponentsAnalysis]: Automaton has 288 accepting balls. 17694 [2025-04-26 18:19:16,167 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:19:16,167 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:19:16,173 INFO L148 hiAutomatonCegarLoop]: Counterexample stem 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] [2025-04-26 18:19:16,174 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 18:19:16,174 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 18:19:16,195 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20635 states, 20611 states have (on average 1.4334093445247684) internal successors, (in total 29544), 20634 states have internal predecessors, (29544), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:19:16,348 INFO L131 ngComponentsAnalysis]: Automaton has 288 accepting balls. 17694 [2025-04-26 18:19:16,348 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:19:16,348 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:19:16,349 INFO L148 hiAutomatonCegarLoop]: Counterexample stem 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] [2025-04-26 18:19:16,349 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 18:19:16,353 INFO L752 eck$LassoCheckResult]: Stem: "[361] $Ultimate##0-->L-1: Formula: (= (select |v_#valid_6| 0) 0) InVars {#valid=|v_#valid_6|} OutVars{#valid=|v_#valid_6|} AuxVars[] AssignedVars[]" "[385] L-1-->L1691: Formula: (< 0 |v_#StackHeapBarrier_2|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|} AuxVars[] AssignedVars[]" "[342] L1691-->L1691-1: Formula: (and (= 2 (select |v_#length_4| 1)) (= (select |v_#valid_7| 1) 1)) InVars {#length=|v_#length_4|, #valid=|v_#valid_7|} OutVars{#length=|v_#length_4|, #valid=|v_#valid_7|} AuxVars[] AssignedVars[]" "[486] L1691-1-->L1691-2: Formula: (= (select (select |v_#memory_int_3| 1) 0) 48) InVars {#memory_int=|v_#memory_int_3|} OutVars{#memory_int=|v_#memory_int_3|} AuxVars[] AssignedVars[]" "[325] L1691-2-->L1691-3: Formula: (= (select (select |v_#memory_int_4| 1) 1) 0) InVars {#memory_int=|v_#memory_int_4|} OutVars{#memory_int=|v_#memory_int_4|} AuxVars[] AssignedVars[]" "[442] L1691-3-->L1691-4: Formula: (and (= (select |v_#valid_8| 2) 1) (= 29 (select |v_#length_5| 2))) InVars {#length=|v_#length_5|, #valid=|v_#valid_8|} OutVars{#length=|v_#length_5|, #valid=|v_#valid_8|} AuxVars[] AssignedVars[]" "[465] L1691-4-->L1694: Formula: (= v_~t1~0_1 0) InVars {} OutVars{~t1~0=v_~t1~0_1} AuxVars[] AssignedVars[~t1~0]" "[501] L1694-->L1695: Formula: (= v_~t2~0_1 0) InVars {} OutVars{~t2~0=v_~t2~0_1} AuxVars[] AssignedVars[~t2~0]" "[497] L1695-->L1695-1: Formula: (and (= (select |v_#length_6| 3) 24) (= (select |v_#valid_9| 3) 1)) InVars {#length=|v_#length_6|, #valid=|v_#valid_9|} OutVars{#length=|v_#length_6|, #valid=|v_#valid_9|} AuxVars[] AssignedVars[]" "[316] L1695-1-->L1695-2: Formula: (and (= 3 |v_~#mutex~0.base_3|) (= |v_~#mutex~0.offset_3| 0)) InVars {} OutVars{~#mutex~0.base=|v_~#mutex~0.base_3|, ~#mutex~0.offset=|v_~#mutex~0.offset_3|} AuxVars[] AssignedVars[~#mutex~0.base, ~#mutex~0.offset]" "[326] L1695-2-->L1695-3: Formula: (= (select (select |v_#memory_int_5| |v_~#mutex~0.base_4|) |v_~#mutex~0.offset_4|) 0) InVars {~#mutex~0.base=|v_~#mutex~0.base_4|, ~#mutex~0.offset=|v_~#mutex~0.offset_4|, #memory_int=|v_#memory_int_5|} OutVars{~#mutex~0.base=|v_~#mutex~0.base_4|, ~#mutex~0.offset=|v_~#mutex~0.offset_4|, #memory_int=|v_#memory_int_5|} AuxVars[] AssignedVars[]" "[439] L1695-3-->L1695-4: Formula: (= (select (select |v_#memory_int_6| |v_~#mutex~0.base_5|) (+ |v_~#mutex~0.offset_5| 4)) 0) InVars {~#mutex~0.base=|v_~#mutex~0.base_5|, ~#mutex~0.offset=|v_~#mutex~0.offset_5|, #memory_int=|v_#memory_int_6|} OutVars{~#mutex~0.base=|v_~#mutex~0.base_5|, ~#mutex~0.offset=|v_~#mutex~0.offset_5|, #memory_int=|v_#memory_int_6|} AuxVars[] AssignedVars[]" "[377] L1695-4-->L1695-5: Formula: (= (select (select |v_#memory_int_7| |v_~#mutex~0.base_6|) (+ |v_~#mutex~0.offset_6| 8)) 0) InVars {~#mutex~0.base=|v_~#mutex~0.base_6|, ~#mutex~0.offset=|v_~#mutex~0.offset_6|, #memory_int=|v_#memory_int_7|} OutVars{~#mutex~0.base=|v_~#mutex~0.base_6|, ~#mutex~0.offset=|v_~#mutex~0.offset_6|, #memory_int=|v_#memory_int_7|} AuxVars[] AssignedVars[]" "[368] L1695-5-->L1695-6: Formula: (= (select (select |v_#memory_int_8| |v_~#mutex~0.base_7|) (+ |v_~#mutex~0.offset_7| 12)) 0) InVars {~#mutex~0.base=|v_~#mutex~0.base_7|, ~#mutex~0.offset=|v_~#mutex~0.offset_7|, #memory_int=|v_#memory_int_8|} OutVars{~#mutex~0.base=|v_~#mutex~0.base_7|, ~#mutex~0.offset=|v_~#mutex~0.offset_7|, #memory_int=|v_#memory_int_8|} AuxVars[] AssignedVars[]" "[508] L1695-6-->L1695-7: Formula: (= (select (select |v_#memory_int_9| |v_~#mutex~0.base_8|) (+ |v_~#mutex~0.offset_8| 16)) 0) InVars {~#mutex~0.base=|v_~#mutex~0.base_8|, ~#mutex~0.offset=|v_~#mutex~0.offset_8|, #memory_int=|v_#memory_int_9|} OutVars{~#mutex~0.base=|v_~#mutex~0.base_8|, ~#mutex~0.offset=|v_~#mutex~0.offset_8|, #memory_int=|v_#memory_int_9|} AuxVars[] AssignedVars[]" "[425] L1695-7-->L1741: Formula: (= v_~pdev~0_5 0) InVars {} OutVars{~pdev~0=v_~pdev~0_5} AuxVars[] AssignedVars[~pdev~0]" "[452] L1741-->L-1-1: Formula: (= v_~ldv_usb_state~0_1 0) InVars {} OutVars{~ldv_usb_state~0=v_~ldv_usb_state~0_1} AuxVars[] AssignedVars[~ldv_usb_state~0]" "[514] L-1-1-->L-1-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1]" "[516] L-1-2-->L1796: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~ret47#1=|v_ULTIMATE.start_main_#t~ret47#1_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret47#1]" "[347] L1796-->L1796-1: Formula: true InVars {} OutVars{ULTIMATE.start_module_init_#res#1=|v_ULTIMATE.start_module_init_#res#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res#1]" "[506] L1796-1-->L1776: Formula: true InVars {} OutVars{ULTIMATE.start_module_init_#t~nondet43#1=|v_ULTIMATE.start_module_init_#t~nondet43#1_2|, ULTIMATE.start_module_init_#t~nondet45#1=|v_ULTIMATE.start_module_init_#t~nondet45#1_2|, ULTIMATE.start_module_init_#t~pre44#1=|v_ULTIMATE.start_module_init_#t~pre44#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#t~nondet43#1, ULTIMATE.start_module_init_#t~pre44#1, ULTIMATE.start_module_init_#t~nondet45#1]" "[438] L1776-->L1777: Formula: (= |v_#pthreadsMutex_5| (store |v_#pthreadsMutex_6| |v_~#mutex~0.base_9| (store (select |v_#pthreadsMutex_6| |v_~#mutex~0.base_9|) |v_~#mutex~0.offset_9| 0))) InVars {~#mutex~0.base=|v_~#mutex~0.base_9|, ~#mutex~0.offset=|v_~#mutex~0.offset_9|, #pthreadsMutex=|v_#pthreadsMutex_6|} OutVars{~#mutex~0.base=|v_~#mutex~0.base_9|, ~#mutex~0.offset=|v_~#mutex~0.offset_9|, #pthreadsMutex=|v_#pthreadsMutex_5|} AuxVars[] AssignedVars[#pthreadsMutex]" "[330] L1777-->L1778: Formula: (= v_~pdev~0_6 1) InVars {} OutVars{~pdev~0=v_~pdev~0_6} AuxVars[] AssignedVars[~pdev~0]" "[358] L1778-->L1778-1: Formula: (= (ite (= v_~pdev~0_7 1) 1 0) |v_ULTIMATE.start_ldv_assert_#in~expression#1_4|) InVars {~pdev~0=v_~pdev~0_7} OutVars{~pdev~0=v_~pdev~0_7, ULTIMATE.start_ldv_assert_#in~expression#1=|v_ULTIMATE.start_ldv_assert_#in~expression#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_#in~expression#1]" "[384] L1778-1-->L1693: Formula: true InVars {} OutVars{ULTIMATE.start_ldv_assert_~expression#1=|v_ULTIMATE.start_ldv_assert_~expression#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_~expression#1]" "[499] L1693-->L1693-1: Formula: (= |v_ULTIMATE.start_ldv_assert_~expression#1_7| |v_ULTIMATE.start_ldv_assert_#in~expression#1_5|) InVars {ULTIMATE.start_ldv_assert_#in~expression#1=|v_ULTIMATE.start_ldv_assert_#in~expression#1_5|} OutVars{ULTIMATE.start_ldv_assert_#in~expression#1=|v_ULTIMATE.start_ldv_assert_#in~expression#1_5|, ULTIMATE.start_ldv_assert_~expression#1=|v_ULTIMATE.start_ldv_assert_~expression#1_7|} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_~expression#1]" "[510] L1693-1-->L1693-5: Formula: (not (= |v_ULTIMATE.start_ldv_assert_~expression#1_9| 0)) InVars {ULTIMATE.start_ldv_assert_~expression#1=|v_ULTIMATE.start_ldv_assert_~expression#1_9|} OutVars{ULTIMATE.start_ldv_assert_~expression#1=|v_ULTIMATE.start_ldv_assert_~expression#1_9|} AuxVars[] AssignedVars[]" "[339] L1693-5-->L1778-2: Formula: true InVars {} OutVars{ULTIMATE.start_ldv_assert_~expression#1=|v_ULTIMATE.start_ldv_assert_~expression#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_~expression#1]" "[320] L1778-2-->L1779: Formula: true InVars {} OutVars{ULTIMATE.start_ldv_assert_#in~expression#1=|v_ULTIMATE.start_ldv_assert_#in~expression#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_#in~expression#1]" "[420] L1779-->L1779-1: Formula: true InVars {} OutVars{ULTIMATE.start_module_init_#t~nondet43#1=|v_ULTIMATE.start_module_init_#t~nondet43#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#t~nondet43#1]" "[331] L1779-1-->L1779-2: Formula: (not (= |v_ULTIMATE.start_module_init_#t~nondet43#1_4| 0)) InVars {ULTIMATE.start_module_init_#t~nondet43#1=|v_ULTIMATE.start_module_init_#t~nondet43#1_4|} OutVars{ULTIMATE.start_module_init_#t~nondet43#1=|v_ULTIMATE.start_module_init_#t~nondet43#1_4|} AuxVars[] AssignedVars[]" "[359] L1779-2-->L1780: Formula: true InVars {} OutVars{ULTIMATE.start_module_init_#t~nondet43#1=|v_ULTIMATE.start_module_init_#t~nondet43#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#t~nondet43#1]" "[466] L1780-->L1780-1: Formula: (= |v_ULTIMATE.start_module_init_#t~pre44#1_3| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_module_init_#t~pre44#1=|v_ULTIMATE.start_module_init_#t~pre44#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#t~pre44#1]" "[515] L1780-1-->L1780-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks]" "[397] L1780-2-->L1780-3: Formula: (= |v_ULTIMATE.start_module_init_#t~pre44#1_4| v_~t1~0_2) InVars {ULTIMATE.start_module_init_#t~pre44#1=|v_ULTIMATE.start_module_init_#t~pre44#1_4|} OutVars{~t1~0=v_~t1~0_2, ULTIMATE.start_module_init_#t~pre44#1=|v_ULTIMATE.start_module_init_#t~pre44#1_4|} AuxVars[] AssignedVars[~t1~0]" "[651] L1780-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_module_init_#t~pre44#1_7| v_thread_usbThread1of1ForFork1_thidvar0_2) (= |v_thread_usbThread1of1ForFork1_#in~arg#1.offset_4| 0) (= v_thread_usbThread1of1ForFork1_thidvar2_2 0) (= v_thread_usbThread1of1ForFork1_thidvar1_2 0) (= |v_thread_usbThread1of1ForFork1_#in~arg#1.base_4| 0)) InVars {ULTIMATE.start_module_init_#t~pre44#1=|v_ULTIMATE.start_module_init_#t~pre44#1_7|} OutVars{thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0#1.offset=|v_thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0#1.offset_12|, thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~ret38#1.offset=|v_thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~ret38#1.offset_10|, ULTIMATE.start_module_init_#t~pre44#1=|v_ULTIMATE.start_module_init_#t~pre44#1_7|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res#1=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res#1_10|, thread_usbThread1of1ForFork1_#res#1.base=|v_thread_usbThread1of1ForFork1_#res#1.base_4|, thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0#1.base=|v_thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0#1.base_14|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet37#1=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet37#1_8|, thread_usbThread1of1ForFork1_thidvar0=v_thread_usbThread1of1ForFork1_thidvar0_2, thread_usbThread1of1ForFork1_#in~arg#1.base=|v_thread_usbThread1of1ForFork1_#in~arg#1.base_4|, thread_usbThread1of1ForFork1_thidvar2=v_thread_usbThread1of1ForFork1_thidvar2_2, thread_usbThread1of1ForFork1_#t~ret42#1=|v_thread_usbThread1of1ForFork1_#t~ret42#1_8|, thread_usbThread1of1ForFork1_ldv_assert_~expression#1=|v_thread_usbThread1of1ForFork1_ldv_assert_~expression#1_22|, thread_usbThread1of1ForFork1_~arg#1.base=|v_thread_usbThread1of1ForFork1_~arg#1.base_4|, thread_usbThread1of1ForFork1_ldv_assert_#in~expression#1=|v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression#1_14|, thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~ret38#1.base=|v_thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~ret38#1.base_10|, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0#1=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0#1_14|, thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_14|, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret39#1=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret39#1_12|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~pre36#1=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~pre36#1_12|, thread_usbThread1of1ForFork1_thidvar1=v_thread_usbThread1of1ForFork1_thidvar1_2, thread_usbThread1of1ForFork1_#res#1.offset=|v_thread_usbThread1of1ForFork1_#res#1.offset_4|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet35#1=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet35#1_16|, thread_usbThread1of1ForFork1_ath_ahb_probe_#res#1=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res#1_10|, thread_usbThread1of1ForFork1_~probe_ret~0#1=|v_thread_usbThread1of1ForFork1_~probe_ret~0#1_10|, thread_usbThread1of1ForFork1_~arg#1.offset=|v_thread_usbThread1of1ForFork1_~arg#1.offset_4|, thread_usbThread1of1ForFork1_#in~arg#1.offset=|v_thread_usbThread1of1ForFork1_#in~arg#1.offset_4|, thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_28|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0#1.offset, thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~ret38#1.offset, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res#1, thread_usbThread1of1ForFork1_#res#1.base, thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0#1.base, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet37#1, thread_usbThread1of1ForFork1_thidvar0, thread_usbThread1of1ForFork1_#in~arg#1.base, thread_usbThread1of1ForFork1_thidvar2, thread_usbThread1of1ForFork1_#t~ret42#1, thread_usbThread1of1ForFork1_ldv_assert_~expression#1, thread_usbThread1of1ForFork1_~arg#1.base, thread_usbThread1of1ForFork1_ldv_assert_#in~expression#1, thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~ret38#1.base, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0#1, thread_usbThread1of1ForFork1_#t~nondet40#1, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret39#1, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~pre36#1, thread_usbThread1of1ForFork1_thidvar1, thread_usbThread1of1ForFork1_#res#1.offset, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet35#1, thread_usbThread1of1ForFork1_ath_ahb_probe_#res#1, thread_usbThread1of1ForFork1_~probe_ret~0#1, thread_usbThread1of1ForFork1_~arg#1.offset, thread_usbThread1of1ForFork1_#in~arg#1.offset, thread_usbThread1of1ForFork1_#t~switch41#1]" "[556] $Ultimate##0-->L1743: Formula: (and (= |v_thread_usbThread1of1ForFork1_~arg#1.base_1| |v_thread_usbThread1of1ForFork1_#in~arg#1.base_1|) (= |v_thread_usbThread1of1ForFork1_#in~arg#1.offset_1| |v_thread_usbThread1of1ForFork1_~arg#1.offset_1|)) InVars {thread_usbThread1of1ForFork1_#in~arg#1.base=|v_thread_usbThread1of1ForFork1_#in~arg#1.base_1|, thread_usbThread1of1ForFork1_#in~arg#1.offset=|v_thread_usbThread1of1ForFork1_#in~arg#1.offset_1|} OutVars{thread_usbThread1of1ForFork1_#in~arg#1.base=|v_thread_usbThread1of1ForFork1_#in~arg#1.base_1|, thread_usbThread1of1ForFork1_~arg#1.offset=|v_thread_usbThread1of1ForFork1_~arg#1.offset_1|, thread_usbThread1of1ForFork1_#in~arg#1.offset=|v_thread_usbThread1of1ForFork1_#in~arg#1.offset_1|, thread_usbThread1of1ForFork1_~arg#1.base=|v_thread_usbThread1of1ForFork1_~arg#1.base_1|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_~arg#1.offset, thread_usbThread1of1ForFork1_~arg#1.base]" "[557] L1743-->L1744: Formula: (= v_~ldv_usb_state~0_5 0) InVars {} OutVars{~ldv_usb_state~0=v_~ldv_usb_state~0_5} AuxVars[] AssignedVars[~ldv_usb_state~0]" "[558] L1744-->L1745-1: Formula: true InVars {} OutVars{thread_usbThread1of1ForFork1_~probe_ret~0#1=|v_thread_usbThread1of1ForFork1_~probe_ret~0#1_1|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_~probe_ret~0#1]" [2025-04-26 18:19:16,355 INFO L754 eck$LassoCheckResult]: Loop: "[560] L1745-1-->L1747: Formula: true InVars {} OutVars{thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_1|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~nondet40#1]" "[562] L1747-->L1747-1: Formula: (let ((.cse0 (= |v_thread_usbThread1of1ForFork1_#t~nondet40#1_3| 0))) (or (and .cse0 |v_thread_usbThread1of1ForFork1_#t~switch41#1_1|) (and (not .cse0) (not |v_thread_usbThread1of1ForFork1_#t~switch41#1_1|)))) InVars {thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_3|} OutVars{thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_3|, thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_1|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~switch41#1]" "[564] L1747-1-->L1747-2: Formula: |v_thread_usbThread1of1ForFork1_#t~switch41#1_3| InVars {thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_3|} OutVars{thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_3|} AuxVars[] AssignedVars[]" "[568] L1747-2-->L1746: Formula: (not (= v_~ldv_usb_state~0_8 0)) InVars {~ldv_usb_state~0=v_~ldv_usb_state~0_8} OutVars{~ldv_usb_state~0=v_~ldv_usb_state~0_8} AuxVars[] AssignedVars[]" "[572] L1746-->L1746-1: Formula: true InVars {} OutVars{thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_7|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~nondet40#1]" "[578] L1746-1-->L1746-2: Formula: true InVars {} OutVars{thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_15|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~switch41#1]" "[586] L1746-2-->L1746-3: Formula: true InVars {} OutVars{thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_11|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~nondet40#1]" "[593] L1746-3-->L1745-1: Formula: true InVars {} OutVars{thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_25|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~switch41#1]" [2025-04-26 18:19:16,358 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:19:16,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1091578663, now seen corresponding path program 1 times [2025-04-26 18:19:16,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:19:16,364 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934382541] [2025-04-26 18:19:16,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:19:16,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:19:16,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-04-26 18:19:16,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-26 18:19:16,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:19:16,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:19:16,510 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:19:16,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-04-26 18:19:16,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-26 18:19:16,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:19:16,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:19:16,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:19:16,553 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:19:16,553 INFO L85 PathProgramCache]: Analyzing trace with hash -721234092, now seen corresponding path program 1 times [2025-04-26 18:19:16,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:19:16,553 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094110209] [2025-04-26 18:19:16,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:19:16,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:19:16,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 18:19:16,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 18:19:16,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:19:16,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:19:16,599 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:19:16,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 18:19:16,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 18:19:16,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:19:16,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:19:16,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:19:16,606 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:19:16,606 INFO L85 PathProgramCache]: Analyzing trace with hash -2032108422, now seen corresponding path program 1 times [2025-04-26 18:19:16,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:19:16,606 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113700949] [2025-04-26 18:19:16,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:19:16,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:19:16,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-04-26 18:19:16,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-04-26 18:19:16,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:19:16,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:19:16,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 18:19:16,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-26 18:19:16,779 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113700949] [2025-04-26 18:19:16,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113700949] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-26 18:19:16,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-26 18:19:16,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-26 18:19:16,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283515513] [2025-04-26 18:19:16,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-26 18:19:16,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-26 18:19:16,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-26 18:19:16,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-26 18:19:16,847 INFO L87 Difference]: Start difference. First operand has 20635 states, 20611 states have (on average 1.4334093445247684) internal successors, (in total 29544), 20634 states have internal predecessors, (29544), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (in total 47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:19:17,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-26 18:19:17,085 INFO L93 Difference]: Finished difference Result 20116 states and 27602 transitions. [2025-04-26 18:19:17,086 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20116 states and 27602 transitions. [2025-04-26 18:19:17,209 INFO L131 ngComponentsAnalysis]: Automaton has 292 accepting balls. 16665 [2025-04-26 18:19:17,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20116 states to 18948 states and 26005 transitions. [2025-04-26 18:19:17,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18948 [2025-04-26 18:19:17,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18948 [2025-04-26 18:19:17,379 INFO L74 IsDeterministic]: Start isDeterministic. Operand 18948 states and 26005 transitions. [2025-04-26 18:19:17,418 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 18:19:17,418 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18948 states and 26005 transitions. [2025-04-26 18:19:17,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18948 states and 26005 transitions. [2025-04-26 18:19:17,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18948 to 18948. [2025-04-26 18:19:17,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18948 states, 18948 states have (on average 1.3724403630990079) internal successors, (in total 26005), 18947 states have internal predecessors, (26005), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:19:17,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18948 states to 18948 states and 26005 transitions. [2025-04-26 18:19:17,787 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18948 states and 26005 transitions. [2025-04-26 18:19:17,790 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-26 18:19:17,792 INFO L438 stractBuchiCegarLoop]: Abstraction has 18948 states and 26005 transitions. [2025-04-26 18:19:17,792 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 18:19:17,792 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18948 states and 26005 transitions. [2025-04-26 18:19:17,861 INFO L131 ngComponentsAnalysis]: Automaton has 292 accepting balls. 16665 [2025-04-26 18:19:17,861 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:19:17,861 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:19:17,862 INFO L148 hiAutomatonCegarLoop]: Counterexample stem 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] [2025-04-26 18:19:17,862 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 18:19:17,863 INFO L752 eck$LassoCheckResult]: Stem: "[361] $Ultimate##0-->L-1: Formula: (= (select |v_#valid_6| 0) 0) InVars {#valid=|v_#valid_6|} OutVars{#valid=|v_#valid_6|} AuxVars[] AssignedVars[]" "[385] L-1-->L1691: Formula: (< 0 |v_#StackHeapBarrier_2|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|} AuxVars[] AssignedVars[]" "[342] L1691-->L1691-1: Formula: (and (= 2 (select |v_#length_4| 1)) (= (select |v_#valid_7| 1) 1)) InVars {#length=|v_#length_4|, #valid=|v_#valid_7|} OutVars{#length=|v_#length_4|, #valid=|v_#valid_7|} AuxVars[] AssignedVars[]" "[486] L1691-1-->L1691-2: Formula: (= (select (select |v_#memory_int_3| 1) 0) 48) InVars {#memory_int=|v_#memory_int_3|} OutVars{#memory_int=|v_#memory_int_3|} AuxVars[] AssignedVars[]" "[325] L1691-2-->L1691-3: Formula: (= (select (select |v_#memory_int_4| 1) 1) 0) InVars {#memory_int=|v_#memory_int_4|} OutVars{#memory_int=|v_#memory_int_4|} AuxVars[] AssignedVars[]" "[442] L1691-3-->L1691-4: Formula: (and (= (select |v_#valid_8| 2) 1) (= 29 (select |v_#length_5| 2))) InVars {#length=|v_#length_5|, #valid=|v_#valid_8|} OutVars{#length=|v_#length_5|, #valid=|v_#valid_8|} AuxVars[] AssignedVars[]" "[465] L1691-4-->L1694: Formula: (= v_~t1~0_1 0) InVars {} OutVars{~t1~0=v_~t1~0_1} AuxVars[] AssignedVars[~t1~0]" "[501] L1694-->L1695: Formula: (= v_~t2~0_1 0) InVars {} OutVars{~t2~0=v_~t2~0_1} AuxVars[] AssignedVars[~t2~0]" "[497] L1695-->L1695-1: Formula: (and (= (select |v_#length_6| 3) 24) (= (select |v_#valid_9| 3) 1)) InVars {#length=|v_#length_6|, #valid=|v_#valid_9|} OutVars{#length=|v_#length_6|, #valid=|v_#valid_9|} AuxVars[] AssignedVars[]" "[316] L1695-1-->L1695-2: Formula: (and (= 3 |v_~#mutex~0.base_3|) (= |v_~#mutex~0.offset_3| 0)) InVars {} OutVars{~#mutex~0.base=|v_~#mutex~0.base_3|, ~#mutex~0.offset=|v_~#mutex~0.offset_3|} AuxVars[] AssignedVars[~#mutex~0.base, ~#mutex~0.offset]" "[326] L1695-2-->L1695-3: Formula: (= (select (select |v_#memory_int_5| |v_~#mutex~0.base_4|) |v_~#mutex~0.offset_4|) 0) InVars {~#mutex~0.base=|v_~#mutex~0.base_4|, ~#mutex~0.offset=|v_~#mutex~0.offset_4|, #memory_int=|v_#memory_int_5|} OutVars{~#mutex~0.base=|v_~#mutex~0.base_4|, ~#mutex~0.offset=|v_~#mutex~0.offset_4|, #memory_int=|v_#memory_int_5|} AuxVars[] AssignedVars[]" "[439] L1695-3-->L1695-4: Formula: (= (select (select |v_#memory_int_6| |v_~#mutex~0.base_5|) (+ |v_~#mutex~0.offset_5| 4)) 0) InVars {~#mutex~0.base=|v_~#mutex~0.base_5|, ~#mutex~0.offset=|v_~#mutex~0.offset_5|, #memory_int=|v_#memory_int_6|} OutVars{~#mutex~0.base=|v_~#mutex~0.base_5|, ~#mutex~0.offset=|v_~#mutex~0.offset_5|, #memory_int=|v_#memory_int_6|} AuxVars[] AssignedVars[]" "[377] L1695-4-->L1695-5: Formula: (= (select (select |v_#memory_int_7| |v_~#mutex~0.base_6|) (+ |v_~#mutex~0.offset_6| 8)) 0) InVars {~#mutex~0.base=|v_~#mutex~0.base_6|, ~#mutex~0.offset=|v_~#mutex~0.offset_6|, #memory_int=|v_#memory_int_7|} OutVars{~#mutex~0.base=|v_~#mutex~0.base_6|, ~#mutex~0.offset=|v_~#mutex~0.offset_6|, #memory_int=|v_#memory_int_7|} AuxVars[] AssignedVars[]" "[368] L1695-5-->L1695-6: Formula: (= (select (select |v_#memory_int_8| |v_~#mutex~0.base_7|) (+ |v_~#mutex~0.offset_7| 12)) 0) InVars {~#mutex~0.base=|v_~#mutex~0.base_7|, ~#mutex~0.offset=|v_~#mutex~0.offset_7|, #memory_int=|v_#memory_int_8|} OutVars{~#mutex~0.base=|v_~#mutex~0.base_7|, ~#mutex~0.offset=|v_~#mutex~0.offset_7|, #memory_int=|v_#memory_int_8|} AuxVars[] AssignedVars[]" "[508] L1695-6-->L1695-7: Formula: (= (select (select |v_#memory_int_9| |v_~#mutex~0.base_8|) (+ |v_~#mutex~0.offset_8| 16)) 0) InVars {~#mutex~0.base=|v_~#mutex~0.base_8|, ~#mutex~0.offset=|v_~#mutex~0.offset_8|, #memory_int=|v_#memory_int_9|} OutVars{~#mutex~0.base=|v_~#mutex~0.base_8|, ~#mutex~0.offset=|v_~#mutex~0.offset_8|, #memory_int=|v_#memory_int_9|} AuxVars[] AssignedVars[]" "[425] L1695-7-->L1741: Formula: (= v_~pdev~0_5 0) InVars {} OutVars{~pdev~0=v_~pdev~0_5} AuxVars[] AssignedVars[~pdev~0]" "[452] L1741-->L-1-1: Formula: (= v_~ldv_usb_state~0_1 0) InVars {} OutVars{~ldv_usb_state~0=v_~ldv_usb_state~0_1} AuxVars[] AssignedVars[~ldv_usb_state~0]" "[514] L-1-1-->L-1-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1]" "[516] L-1-2-->L1796: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~ret47#1=|v_ULTIMATE.start_main_#t~ret47#1_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret47#1]" "[347] L1796-->L1796-1: Formula: true InVars {} OutVars{ULTIMATE.start_module_init_#res#1=|v_ULTIMATE.start_module_init_#res#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res#1]" "[506] L1796-1-->L1776: Formula: true InVars {} OutVars{ULTIMATE.start_module_init_#t~nondet43#1=|v_ULTIMATE.start_module_init_#t~nondet43#1_2|, ULTIMATE.start_module_init_#t~nondet45#1=|v_ULTIMATE.start_module_init_#t~nondet45#1_2|, ULTIMATE.start_module_init_#t~pre44#1=|v_ULTIMATE.start_module_init_#t~pre44#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#t~nondet43#1, ULTIMATE.start_module_init_#t~pre44#1, ULTIMATE.start_module_init_#t~nondet45#1]" "[438] L1776-->L1777: Formula: (= |v_#pthreadsMutex_5| (store |v_#pthreadsMutex_6| |v_~#mutex~0.base_9| (store (select |v_#pthreadsMutex_6| |v_~#mutex~0.base_9|) |v_~#mutex~0.offset_9| 0))) InVars {~#mutex~0.base=|v_~#mutex~0.base_9|, ~#mutex~0.offset=|v_~#mutex~0.offset_9|, #pthreadsMutex=|v_#pthreadsMutex_6|} OutVars{~#mutex~0.base=|v_~#mutex~0.base_9|, ~#mutex~0.offset=|v_~#mutex~0.offset_9|, #pthreadsMutex=|v_#pthreadsMutex_5|} AuxVars[] AssignedVars[#pthreadsMutex]" "[330] L1777-->L1778: Formula: (= v_~pdev~0_6 1) InVars {} OutVars{~pdev~0=v_~pdev~0_6} AuxVars[] AssignedVars[~pdev~0]" "[358] L1778-->L1778-1: Formula: (= (ite (= v_~pdev~0_7 1) 1 0) |v_ULTIMATE.start_ldv_assert_#in~expression#1_4|) InVars {~pdev~0=v_~pdev~0_7} OutVars{~pdev~0=v_~pdev~0_7, ULTIMATE.start_ldv_assert_#in~expression#1=|v_ULTIMATE.start_ldv_assert_#in~expression#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_#in~expression#1]" "[384] L1778-1-->L1693: Formula: true InVars {} OutVars{ULTIMATE.start_ldv_assert_~expression#1=|v_ULTIMATE.start_ldv_assert_~expression#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_~expression#1]" "[499] L1693-->L1693-1: Formula: (= |v_ULTIMATE.start_ldv_assert_~expression#1_7| |v_ULTIMATE.start_ldv_assert_#in~expression#1_5|) InVars {ULTIMATE.start_ldv_assert_#in~expression#1=|v_ULTIMATE.start_ldv_assert_#in~expression#1_5|} OutVars{ULTIMATE.start_ldv_assert_#in~expression#1=|v_ULTIMATE.start_ldv_assert_#in~expression#1_5|, ULTIMATE.start_ldv_assert_~expression#1=|v_ULTIMATE.start_ldv_assert_~expression#1_7|} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_~expression#1]" "[510] L1693-1-->L1693-5: Formula: (not (= |v_ULTIMATE.start_ldv_assert_~expression#1_9| 0)) InVars {ULTIMATE.start_ldv_assert_~expression#1=|v_ULTIMATE.start_ldv_assert_~expression#1_9|} OutVars{ULTIMATE.start_ldv_assert_~expression#1=|v_ULTIMATE.start_ldv_assert_~expression#1_9|} AuxVars[] AssignedVars[]" "[339] L1693-5-->L1778-2: Formula: true InVars {} OutVars{ULTIMATE.start_ldv_assert_~expression#1=|v_ULTIMATE.start_ldv_assert_~expression#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_~expression#1]" "[320] L1778-2-->L1779: Formula: true InVars {} OutVars{ULTIMATE.start_ldv_assert_#in~expression#1=|v_ULTIMATE.start_ldv_assert_#in~expression#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_#in~expression#1]" "[420] L1779-->L1779-1: Formula: true InVars {} OutVars{ULTIMATE.start_module_init_#t~nondet43#1=|v_ULTIMATE.start_module_init_#t~nondet43#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#t~nondet43#1]" "[331] L1779-1-->L1779-2: Formula: (not (= |v_ULTIMATE.start_module_init_#t~nondet43#1_4| 0)) InVars {ULTIMATE.start_module_init_#t~nondet43#1=|v_ULTIMATE.start_module_init_#t~nondet43#1_4|} OutVars{ULTIMATE.start_module_init_#t~nondet43#1=|v_ULTIMATE.start_module_init_#t~nondet43#1_4|} AuxVars[] AssignedVars[]" "[359] L1779-2-->L1780: Formula: true InVars {} OutVars{ULTIMATE.start_module_init_#t~nondet43#1=|v_ULTIMATE.start_module_init_#t~nondet43#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#t~nondet43#1]" "[466] L1780-->L1780-1: Formula: (= |v_ULTIMATE.start_module_init_#t~pre44#1_3| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_module_init_#t~pre44#1=|v_ULTIMATE.start_module_init_#t~pre44#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#t~pre44#1]" "[515] L1780-1-->L1780-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks]" "[397] L1780-2-->L1780-3: Formula: (= |v_ULTIMATE.start_module_init_#t~pre44#1_4| v_~t1~0_2) InVars {ULTIMATE.start_module_init_#t~pre44#1=|v_ULTIMATE.start_module_init_#t~pre44#1_4|} OutVars{~t1~0=v_~t1~0_2, ULTIMATE.start_module_init_#t~pre44#1=|v_ULTIMATE.start_module_init_#t~pre44#1_4|} AuxVars[] AssignedVars[~t1~0]" "[651] L1780-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_module_init_#t~pre44#1_7| v_thread_usbThread1of1ForFork1_thidvar0_2) (= |v_thread_usbThread1of1ForFork1_#in~arg#1.offset_4| 0) (= v_thread_usbThread1of1ForFork1_thidvar2_2 0) (= v_thread_usbThread1of1ForFork1_thidvar1_2 0) (= |v_thread_usbThread1of1ForFork1_#in~arg#1.base_4| 0)) InVars {ULTIMATE.start_module_init_#t~pre44#1=|v_ULTIMATE.start_module_init_#t~pre44#1_7|} OutVars{thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0#1.offset=|v_thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0#1.offset_12|, thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~ret38#1.offset=|v_thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~ret38#1.offset_10|, ULTIMATE.start_module_init_#t~pre44#1=|v_ULTIMATE.start_module_init_#t~pre44#1_7|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res#1=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res#1_10|, thread_usbThread1of1ForFork1_#res#1.base=|v_thread_usbThread1of1ForFork1_#res#1.base_4|, thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0#1.base=|v_thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0#1.base_14|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet37#1=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet37#1_8|, thread_usbThread1of1ForFork1_thidvar0=v_thread_usbThread1of1ForFork1_thidvar0_2, thread_usbThread1of1ForFork1_#in~arg#1.base=|v_thread_usbThread1of1ForFork1_#in~arg#1.base_4|, thread_usbThread1of1ForFork1_thidvar2=v_thread_usbThread1of1ForFork1_thidvar2_2, thread_usbThread1of1ForFork1_#t~ret42#1=|v_thread_usbThread1of1ForFork1_#t~ret42#1_8|, thread_usbThread1of1ForFork1_ldv_assert_~expression#1=|v_thread_usbThread1of1ForFork1_ldv_assert_~expression#1_22|, thread_usbThread1of1ForFork1_~arg#1.base=|v_thread_usbThread1of1ForFork1_~arg#1.base_4|, thread_usbThread1of1ForFork1_ldv_assert_#in~expression#1=|v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression#1_14|, thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~ret38#1.base=|v_thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~ret38#1.base_10|, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0#1=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0#1_14|, thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_14|, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret39#1=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret39#1_12|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~pre36#1=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~pre36#1_12|, thread_usbThread1of1ForFork1_thidvar1=v_thread_usbThread1of1ForFork1_thidvar1_2, thread_usbThread1of1ForFork1_#res#1.offset=|v_thread_usbThread1of1ForFork1_#res#1.offset_4|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet35#1=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet35#1_16|, thread_usbThread1of1ForFork1_ath_ahb_probe_#res#1=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res#1_10|, thread_usbThread1of1ForFork1_~probe_ret~0#1=|v_thread_usbThread1of1ForFork1_~probe_ret~0#1_10|, thread_usbThread1of1ForFork1_~arg#1.offset=|v_thread_usbThread1of1ForFork1_~arg#1.offset_4|, thread_usbThread1of1ForFork1_#in~arg#1.offset=|v_thread_usbThread1of1ForFork1_#in~arg#1.offset_4|, thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_28|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0#1.offset, thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~ret38#1.offset, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res#1, thread_usbThread1of1ForFork1_#res#1.base, thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0#1.base, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet37#1, thread_usbThread1of1ForFork1_thidvar0, thread_usbThread1of1ForFork1_#in~arg#1.base, thread_usbThread1of1ForFork1_thidvar2, thread_usbThread1of1ForFork1_#t~ret42#1, thread_usbThread1of1ForFork1_ldv_assert_~expression#1, thread_usbThread1of1ForFork1_~arg#1.base, thread_usbThread1of1ForFork1_ldv_assert_#in~expression#1, thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~ret38#1.base, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0#1, thread_usbThread1of1ForFork1_#t~nondet40#1, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret39#1, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~pre36#1, thread_usbThread1of1ForFork1_thidvar1, thread_usbThread1of1ForFork1_#res#1.offset, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet35#1, thread_usbThread1of1ForFork1_ath_ahb_probe_#res#1, thread_usbThread1of1ForFork1_~probe_ret~0#1, thread_usbThread1of1ForFork1_~arg#1.offset, thread_usbThread1of1ForFork1_#in~arg#1.offset, thread_usbThread1of1ForFork1_#t~switch41#1]" "[556] $Ultimate##0-->L1743: Formula: (and (= |v_thread_usbThread1of1ForFork1_~arg#1.base_1| |v_thread_usbThread1of1ForFork1_#in~arg#1.base_1|) (= |v_thread_usbThread1of1ForFork1_#in~arg#1.offset_1| |v_thread_usbThread1of1ForFork1_~arg#1.offset_1|)) InVars {thread_usbThread1of1ForFork1_#in~arg#1.base=|v_thread_usbThread1of1ForFork1_#in~arg#1.base_1|, thread_usbThread1of1ForFork1_#in~arg#1.offset=|v_thread_usbThread1of1ForFork1_#in~arg#1.offset_1|} OutVars{thread_usbThread1of1ForFork1_#in~arg#1.base=|v_thread_usbThread1of1ForFork1_#in~arg#1.base_1|, thread_usbThread1of1ForFork1_~arg#1.offset=|v_thread_usbThread1of1ForFork1_~arg#1.offset_1|, thread_usbThread1of1ForFork1_#in~arg#1.offset=|v_thread_usbThread1of1ForFork1_#in~arg#1.offset_1|, thread_usbThread1of1ForFork1_~arg#1.base=|v_thread_usbThread1of1ForFork1_~arg#1.base_1|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_~arg#1.offset, thread_usbThread1of1ForFork1_~arg#1.base]" "[557] L1743-->L1744: Formula: (= v_~ldv_usb_state~0_5 0) InVars {} OutVars{~ldv_usb_state~0=v_~ldv_usb_state~0_5} AuxVars[] AssignedVars[~ldv_usb_state~0]" "[558] L1744-->L1745-1: Formula: true InVars {} OutVars{thread_usbThread1of1ForFork1_~probe_ret~0#1=|v_thread_usbThread1of1ForFork1_~probe_ret~0#1_1|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_~probe_ret~0#1]" [2025-04-26 18:19:17,865 INFO L754 eck$LassoCheckResult]: Loop: "[560] L1745-1-->L1747: Formula: true InVars {} OutVars{thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_1|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~nondet40#1]" "[562] L1747-->L1747-1: Formula: (let ((.cse0 (= |v_thread_usbThread1of1ForFork1_#t~nondet40#1_3| 0))) (or (and .cse0 |v_thread_usbThread1of1ForFork1_#t~switch41#1_1|) (and (not .cse0) (not |v_thread_usbThread1of1ForFork1_#t~switch41#1_1|)))) InVars {thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_3|} OutVars{thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_3|, thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_1|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~switch41#1]" "[565] L1747-1-->L1755: Formula: (not |v_thread_usbThread1of1ForFork1_#t~switch41#1_5|) InVars {thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_5|} OutVars{thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_5|} AuxVars[] AssignedVars[]" "[569] L1755-->L1755-1: Formula: (let ((.cse0 (= |v_thread_usbThread1of1ForFork1_#t~nondet40#1_5| 1))) (or (and |v_thread_usbThread1of1ForFork1_#t~switch41#1_8| (or |v_thread_usbThread1of1ForFork1_#t~switch41#1_7| .cse0)) (and (not |v_thread_usbThread1of1ForFork1_#t~switch41#1_8|) (not .cse0) (not |v_thread_usbThread1of1ForFork1_#t~switch41#1_7|)))) InVars {thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_5|, thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_7|} OutVars{thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_5|, thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_8|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~switch41#1]" "[573] L1755-1-->L1755-2: Formula: |v_thread_usbThread1of1ForFork1_#t~switch41#1_11| InVars {thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_11|} OutVars{thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_11|} AuxVars[] AssignedVars[]" "[580] L1755-2-->L1746: Formula: (not (= v_~ldv_usb_state~0_2 1)) InVars {~ldv_usb_state~0=v_~ldv_usb_state~0_2} OutVars{~ldv_usb_state~0=v_~ldv_usb_state~0_2} AuxVars[] AssignedVars[]" "[572] L1746-->L1746-1: Formula: true InVars {} OutVars{thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_7|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~nondet40#1]" "[578] L1746-1-->L1746-2: Formula: true InVars {} OutVars{thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_15|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~switch41#1]" "[586] L1746-2-->L1746-3: Formula: true InVars {} OutVars{thread_usbThread1of1ForFork1_#t~nondet40#1=|v_thread_usbThread1of1ForFork1_#t~nondet40#1_11|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~nondet40#1]" "[593] L1746-3-->L1745-1: Formula: true InVars {} OutVars{thread_usbThread1of1ForFork1_#t~switch41#1=|v_thread_usbThread1of1ForFork1_#t~switch41#1_25|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~switch41#1]" [2025-04-26 18:19:17,865 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:19:17,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1091578663, now seen corresponding path program 2 times [2025-04-26 18:19:17,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:19:17,866 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419346766] [2025-04-26 18:19:17,866 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 18:19:17,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:19:17,891 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 39 statements into 1 equivalence classes. [2025-04-26 18:19:17,896 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-26 18:19:17,896 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 18:19:17,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:19:17,897 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:19:17,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-04-26 18:19:17,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-26 18:19:17,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:19:17,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:19:17,913 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:19:17,916 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:19:17,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1044149723, now seen corresponding path program 1 times [2025-04-26 18:19:17,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:19:17,916 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117980639] [2025-04-26 18:19:17,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:19:17,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:19:17,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-26 18:19:17,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-26 18:19:17,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:19:17,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:19:17,928 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:19:17,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-26 18:19:17,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-26 18:19:17,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:19:17,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:19:17,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:19:17,933 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:19:17,933 INFO L85 PathProgramCache]: Analyzing trace with hash -280663679, now seen corresponding path program 1 times [2025-04-26 18:19:17,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:19:17,933 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861052864] [2025-04-26 18:19:17,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:19:17,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:19:17,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-04-26 18:19:17,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-04-26 18:19:17,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:19:17,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:19:17,958 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:19:17,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-04-26 18:19:17,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-04-26 18:19:17,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:19:17,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:19:17,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:19:18,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-04-26 18:19:18,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-26 18:19:18,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:19:18,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:19:18,554 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:19:18,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-04-26 18:19:18,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-26 18:19:18,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:19:18,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:19:18,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-26 18:19:18,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 06:19:18 BoogieIcfgContainer [2025-04-26 18:19:18,651 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 18:19:18,651 INFO L158 Benchmark]: Toolchain (without parser) took 6409.92ms. Allocated memory was 142.6MB in the beginning and 570.4MB in the end (delta: 427.8MB). Free memory was 96.3MB in the beginning and 353.9MB in the end (delta: -257.6MB). Peak memory consumption was 168.7MB. Max. memory is 8.0GB. [2025-04-26 18:19:18,652 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:19:18,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.24ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 39.3MB in the end (delta: 57.0MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. [2025-04-26 18:19:18,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.83ms. Allocated memory is still 142.6MB. Free memory was 39.3MB in the beginning and 35.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 18:19:18,652 INFO L158 Benchmark]: Boogie Preprocessor took 27.18ms. Allocated memory is still 142.6MB. Free memory was 35.7MB in the beginning and 32.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 18:19:18,652 INFO L158 Benchmark]: RCFGBuilder took 421.96ms. Allocated memory is still 142.6MB. Free memory was 32.7MB in the beginning and 79.8MB in the end (delta: -47.0MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2025-04-26 18:19:18,653 INFO L158 Benchmark]: BuchiAutomizer took 5295.94ms. Allocated memory was 142.6MB in the beginning and 570.4MB in the end (delta: 427.8MB). Free memory was 79.8MB in the beginning and 353.9MB in the end (delta: -274.1MB). Peak memory consumption was 152.3MB. Max. memory is 8.0GB. [2025-04-26 18:19:18,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 615.24ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 39.3MB in the end (delta: 57.0MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.83ms. Allocated memory is still 142.6MB. Free memory was 39.3MB in the beginning and 35.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.18ms. Allocated memory is still 142.6MB. Free memory was 35.7MB in the beginning and 32.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 421.96ms. Allocated memory is still 142.6MB. Free memory was 32.7MB in the beginning and 79.8MB in the end (delta: -47.0MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * BuchiAutomizer took 5295.94ms. Allocated memory was 142.6MB in the beginning and 570.4MB in the end (delta: 427.8MB). Free memory was 79.8MB in the beginning and 353.9MB in the end (delta: -274.1MB). Peak memory consumption was 152.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.4s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 265 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 187 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 2.4s InitialAbstraction: Time to compute Ample Reduction [ms]: 2440, Number of transitions in reduction automaton: 29544, Number of states in reduction automaton: 20635, Underlying: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 18948 locations. - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 1745]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L1694] 0 pthread_t t1, t2; VAL [t1=0, t2=0] [L1695] 0 pthread_mutex_t mutex; VAL [mutex={3:0}, t1=0, t2=0] [L1696] 0 int pdev; VAL [mutex={3:0}, pdev=0, t1=0, t2=0] [L1741] 0 int ldv_usb_state; VAL [ldv_usb_state=0, mutex={3:0}, pdev=0, t1=0, t2=0] [L1796] CALL 0 module_init() [L1777] 0 pdev = 1 [L1778] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) VAL [\at(expression, Pre)=1, expression=1, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=0, t2=0] [L1778] RET 0 ldv_assert(pdev==1) [L1779] COND TRUE 0 __VERIFIER_nondet_int() VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=0, t2=0] [L1780] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1743] 1 ldv_usb_state = 0 VAL [\at(arg, Pre)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1744] 1 int probe_ret; VAL [\at(arg, Pre)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] Loop: [L1747] case 0: [L1755] case 1: End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1745]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L1694] 0 pthread_t t1, t2; VAL [t1=0, t2=0] [L1695] 0 pthread_mutex_t mutex; VAL [mutex={3:0}, t1=0, t2=0] [L1696] 0 int pdev; VAL [mutex={3:0}, pdev=0, t1=0, t2=0] [L1741] 0 int ldv_usb_state; VAL [ldv_usb_state=0, mutex={3:0}, pdev=0, t1=0, t2=0] [L1796] CALL 0 module_init() [L1777] 0 pdev = 1 [L1778] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) VAL [\at(expression, Pre)=1, expression=1, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=0, t2=0] [L1778] RET 0 ldv_assert(pdev==1) [L1779] COND TRUE 0 __VERIFIER_nondet_int() VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=0, t2=0] [L1780] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1743] 1 ldv_usb_state = 0 VAL [\at(arg, Pre)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1744] 1 int probe_ret; VAL [\at(arg, Pre)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] Loop: [L1747] case 0: [L1755] case 1: End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-04-26 18:19:18,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...