./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 01:38:33,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 01:38:33,248 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 01:38:33,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 01:38:33,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 01:38:33,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 01:38:33,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 01:38:33,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 01:38:33,269 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 01:38:33,269 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 01:38:33,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 01:38:33,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 01:38:33,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 01:38:33,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 01:38:33,272 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 01:38:33,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 01:38:33,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 01:38:33,273 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 01:38:33,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 01:38:33,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 01:38:33,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 01:38:33,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 01:38:33,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 01:38:33,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 01:38:33,277 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 01:38:33,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 01:38:33,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 01:38:33,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 01:38:33,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 01:38:33,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 01:38:33,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 01:38:33,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 01:38:33,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 01:38:33,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 01:38:33,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 01:38:33,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 01:38:33,279 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 01:38:33,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 01:38:33,280 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 01:38:33,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 01:38:33,280 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 01:38:33,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 01:38:33,282 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 [2024-11-19 01:38:33,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 01:38:33,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 01:38:33,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 01:38:33,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 01:38:33,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 01:38:33,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-19 01:38:35,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 01:38:35,609 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 01:38:35,610 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-19 01:38:35,651 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccd8c140a/c22b5f01c5724231b80cd2ba3d61c8f8/FLAG8c4340db5 [2024-11-19 01:38:35,767 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccd8c140a/c22b5f01c5724231b80cd2ba3d61c8f8 [2024-11-19 01:38:35,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 01:38:35,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 01:38:35,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 01:38:35,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 01:38:35,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 01:38:35,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:38:35" (1/1) ... [2024-11-19 01:38:35,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c31aaea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:35, skipping insertion in model container [2024-11-19 01:38:35,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:38:35" (1/1) ... [2024-11-19 01:38:35,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 01:38:36,252 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5520,5533] [2024-11-19 01:38:38,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 01:38:38,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 01:38:38,906 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5520,5533] [2024-11-19 01:38:39,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-19 01:38:39,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-19 01:38:39,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-19 01:38:39,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-19 01:38:39,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-19 01:38:39,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 01:38:39,591 INFO L204 MainTranslator]: Completed translation [2024-11-19 01:38:39,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39 WrapperNode [2024-11-19 01:38:39,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 01:38:39,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 01:38:39,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 01:38:39,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 01:38:39,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (1/1) ... [2024-11-19 01:38:39,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (1/1) ... [2024-11-19 01:38:39,791 INFO L138 Inliner]: procedures = 1354, calls = 1479, calls flagged for inlining = 352, calls inlined = 18, statements flattened = 402 [2024-11-19 01:38:39,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 01:38:39,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 01:38:39,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 01:38:39,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 01:38:39,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (1/1) ... [2024-11-19 01:38:39,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (1/1) ... [2024-11-19 01:38:39,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (1/1) ... [2024-11-19 01:38:39,850 INFO L175 MemorySlicer]: Split 52 memory accesses to 7 slices as follows [2, 9, 1, 4, 2, 31, 3]. 60 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 0, 1, 4, 2, 31, 3]. The 3 writes are split as follows [0, 3, 0, 0, 0, 0, 0]. [2024-11-19 01:38:39,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (1/1) ... [2024-11-19 01:38:39,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (1/1) ... [2024-11-19 01:38:39,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (1/1) ... [2024-11-19 01:38:39,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (1/1) ... [2024-11-19 01:38:39,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (1/1) ... [2024-11-19 01:38:39,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (1/1) ... [2024-11-19 01:38:39,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 01:38:39,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 01:38:39,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 01:38:39,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 01:38:39,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (1/1) ... [2024-11-19 01:38:39,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 01:38:39,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:38:39,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 01:38:39,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 01:38:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 01:38:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 01:38:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 01:38:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 01:38:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 01:38:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 01:38:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 01:38:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 01:38:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 01:38:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 01:38:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 01:38:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 01:38:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 01:38:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 01:38:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 01:38:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 01:38:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 01:38:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 01:38:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-19 01:38:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-19 01:38:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 01:38:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 01:38:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 01:38:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 01:38:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 01:38:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 01:38:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 01:38:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 01:38:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 01:38:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-19 01:38:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-19 01:38:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 01:38:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 01:38:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 01:38:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 01:38:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 01:38:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 01:38:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 01:38:39,973 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 01:38:40,263 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 01:38:40,265 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 01:38:40,611 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 01:38:40,611 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 01:38:41,066 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 01:38:41,066 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 01:38:41,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:38:41 BoogieIcfgContainer [2024-11-19 01:38:41,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 01:38:41,068 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 01:38:41,068 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 01:38:41,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 01:38:41,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:38:35" (1/3) ... [2024-11-19 01:38:41,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484f07d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:38:41, skipping insertion in model container [2024-11-19 01:38:41,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:39" (2/3) ... [2024-11-19 01:38:41,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484f07d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:38:41, skipping insertion in model container [2024-11-19 01:38:41,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:38:41" (3/3) ... [2024-11-19 01:38:41,073 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2024-11-19 01:38:41,087 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 01:38:41,088 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 01:38:41,088 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 01:38:41,143 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 01:38:41,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 52 transitions, 118 flow [2024-11-19 01:38:41,200 INFO L124 PetriNetUnfolderBase]: 10/50 cut-off events. [2024-11-19 01:38:41,200 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 01:38:41,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 50 events. 10/50 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 102 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 47. Up to 4 conditions per place. [2024-11-19 01:38:41,205 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 52 transitions, 118 flow [2024-11-19 01:38:41,207 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 48 transitions, 105 flow [2024-11-19 01:38:41,213 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 01:38:41,220 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@30e00c1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 01:38:41,220 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-19 01:38:41,242 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 01:38:41,242 INFO L124 PetriNetUnfolderBase]: 8/42 cut-off events. [2024-11-19 01:38:41,242 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 01:38:41,243 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:38:41,243 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:38:41,244 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:38:41,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:38:41,250 INFO L85 PathProgramCache]: Analyzing trace with hash 393972096, now seen corresponding path program 1 times [2024-11-19 01:38:41,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:38:41,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004830372] [2024-11-19 01:38:41,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:38:41,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:38:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:38:43,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:38:44,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:38:44,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004830372] [2024-11-19 01:38:44,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004830372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:38:44,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:38:44,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 01:38:44,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536667410] [2024-11-19 01:38:44,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:38:44,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 01:38:44,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:38:44,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 01:38:44,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 01:38:44,115 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 52 [2024-11-19 01:38:44,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 48 transitions, 105 flow. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:38:44,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:38:44,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 52 [2024-11-19 01:38:44,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:38:45,322 INFO L124 PetriNetUnfolderBase]: 1623/2722 cut-off events. [2024-11-19 01:38:45,322 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2024-11-19 01:38:45,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5285 conditions, 2722 events. 1623/2722 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 13888 event pairs, 264 based on Foata normal form. 123/2385 useless extension candidates. Maximal degree in co-relation 5202. Up to 775 conditions per place. [2024-11-19 01:38:45,340 INFO L140 encePairwiseOnDemand]: 38/52 looper letters, 132 selfloop transitions, 27 changer transitions 19/185 dead transitions. [2024-11-19 01:38:45,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 185 transitions, 750 flow [2024-11-19 01:38:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 01:38:45,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 01:38:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 281 transitions. [2024-11-19 01:38:45,352 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5403846153846154 [2024-11-19 01:38:45,353 INFO L175 Difference]: Start difference. First operand has 45 places, 48 transitions, 105 flow. Second operand 10 states and 281 transitions. [2024-11-19 01:38:45,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 185 transitions, 750 flow [2024-11-19 01:38:45,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 185 transitions, 740 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 01:38:45,366 INFO L231 Difference]: Finished difference. Result has 58 places, 70 transitions, 274 flow [2024-11-19 01:38:45,368 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=274, PETRI_PLACES=58, PETRI_TRANSITIONS=70} [2024-11-19 01:38:45,375 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 13 predicate places. [2024-11-19 01:38:45,376 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 70 transitions, 274 flow [2024-11-19 01:38:45,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:38:45,379 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:38:45,379 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:38:45,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 01:38:45,380 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:38:45,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:38:45,380 INFO L85 PathProgramCache]: Analyzing trace with hash -2096645885, now seen corresponding path program 1 times [2024-11-19 01:38:45,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:38:45,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412787054] [2024-11-19 01:38:45,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:38:45,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:38:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:38:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 01:38:45,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:38:45,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412787054] [2024-11-19 01:38:45,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412787054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:38:45,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:38:45,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 01:38:46,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019576387] [2024-11-19 01:38:46,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:38:46,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 01:38:46,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:38:46,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 01:38:46,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 01:38:46,009 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 52 [2024-11-19 01:38:46,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 70 transitions, 274 flow. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:38:46,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:38:46,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 52 [2024-11-19 01:38:46,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:38:46,693 INFO L124 PetriNetUnfolderBase]: 1764/2952 cut-off events. [2024-11-19 01:38:46,693 INFO L125 PetriNetUnfolderBase]: For 1030/1030 co-relation queries the response was YES. [2024-11-19 01:38:46,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7313 conditions, 2952 events. 1764/2952 cut-off events. For 1030/1030 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 15208 event pairs, 416 based on Foata normal form. 38/2634 useless extension candidates. Maximal degree in co-relation 7028. Up to 1132 conditions per place. [2024-11-19 01:38:46,705 INFO L140 encePairwiseOnDemand]: 41/52 looper letters, 124 selfloop transitions, 37 changer transitions 35/203 dead transitions. [2024-11-19 01:38:46,705 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 203 transitions, 1008 flow [2024-11-19 01:38:46,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 01:38:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 01:38:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 267 transitions. [2024-11-19 01:38:46,707 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5134615384615384 [2024-11-19 01:38:46,708 INFO L175 Difference]: Start difference. First operand has 58 places, 70 transitions, 274 flow. Second operand 10 states and 267 transitions. [2024-11-19 01:38:46,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 203 transitions, 1008 flow [2024-11-19 01:38:46,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 203 transitions, 1008 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 01:38:46,722 INFO L231 Difference]: Finished difference. Result has 73 places, 83 transitions, 511 flow [2024-11-19 01:38:46,722 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=511, PETRI_PLACES=73, PETRI_TRANSITIONS=83} [2024-11-19 01:38:46,723 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 28 predicate places. [2024-11-19 01:38:46,723 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 83 transitions, 511 flow [2024-11-19 01:38:46,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:38:46,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:38:46,723 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:38:46,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 01:38:46,724 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:38:46,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:38:46,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1217525052, now seen corresponding path program 1 times [2024-11-19 01:38:46,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:38:46,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752629317] [2024-11-19 01:38:46,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:38:46,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:38:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:38:47,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:38:47,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:38:47,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752629317] [2024-11-19 01:38:47,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752629317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:38:47,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:38:47,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 01:38:47,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243169169] [2024-11-19 01:38:47,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:38:47,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 01:38:47,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:38:47,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 01:38:47,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:38:47,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 52 [2024-11-19 01:38:47,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 83 transitions, 511 flow. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:38:47,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:38:47,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 52 [2024-11-19 01:38:47,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:38:49,318 INFO L124 PetriNetUnfolderBase]: 3330/5676 cut-off events. [2024-11-19 01:38:49,319 INFO L125 PetriNetUnfolderBase]: For 10297/10330 co-relation queries the response was YES. [2024-11-19 01:38:49,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17409 conditions, 5676 events. 3330/5676 cut-off events. For 10297/10330 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 34739 event pairs, 400 based on Foata normal form. 33/5390 useless extension candidates. Maximal degree in co-relation 16940. Up to 1621 conditions per place. [2024-11-19 01:38:49,383 INFO L140 encePairwiseOnDemand]: 40/52 looper letters, 221 selfloop transitions, 40 changer transitions 155/427 dead transitions. [2024-11-19 01:38:49,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 427 transitions, 3705 flow [2024-11-19 01:38:49,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 01:38:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 01:38:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 321 transitions. [2024-11-19 01:38:49,387 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47485207100591714 [2024-11-19 01:38:49,387 INFO L175 Difference]: Start difference. First operand has 73 places, 83 transitions, 511 flow. Second operand 13 states and 321 transitions. [2024-11-19 01:38:49,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 427 transitions, 3705 flow [2024-11-19 01:38:49,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 427 transitions, 3529 flow, removed 50 selfloop flow, removed 3 redundant places. [2024-11-19 01:38:49,468 INFO L231 Difference]: Finished difference. Result has 90 places, 119 transitions, 938 flow [2024-11-19 01:38:49,468 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=938, PETRI_PLACES=90, PETRI_TRANSITIONS=119} [2024-11-19 01:38:49,469 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 45 predicate places. [2024-11-19 01:38:49,469 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 119 transitions, 938 flow [2024-11-19 01:38:49,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:38:49,469 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:38:49,469 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:38:49,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 01:38:49,470 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:38:49,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:38:49,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1823741986, now seen corresponding path program 1 times [2024-11-19 01:38:49,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:38:49,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691511268] [2024-11-19 01:38:49,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:38:49,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:38:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:38:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:38:50,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:38:50,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691511268] [2024-11-19 01:38:50,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691511268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:38:50,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880899900] [2024-11-19 01:38:50,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:38:50,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:38:50,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:38:50,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:38:50,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 01:38:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:38:51,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-19 01:38:51,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:38:51,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-11-19 01:38:51,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2024-11-19 01:38:51,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:38:51,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 01:38:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 01:38:51,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880899900] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-19 01:38:51,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-19 01:38:51,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12, 11] total 23 [2024-11-19 01:38:51,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134402894] [2024-11-19 01:38:51,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:38:51,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 01:38:51,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:38:51,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 01:38:51,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-19 01:38:51,571 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 52 [2024-11-19 01:38:51,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 119 transitions, 938 flow. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:38:51,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:38:51,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 52 [2024-11-19 01:38:51,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:38:52,404 INFO L124 PetriNetUnfolderBase]: 2582/4632 cut-off events. [2024-11-19 01:38:52,405 INFO L125 PetriNetUnfolderBase]: For 9915/9940 co-relation queries the response was YES. [2024-11-19 01:38:52,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16393 conditions, 4632 events. 2582/4632 cut-off events. For 9915/9940 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 28788 event pairs, 949 based on Foata normal form. 119/4571 useless extension candidates. Maximal degree in co-relation 15925. Up to 2040 conditions per place. [2024-11-19 01:38:52,446 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 101 selfloop transitions, 34 changer transitions 119/266 dead transitions. [2024-11-19 01:38:52,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 266 transitions, 2381 flow [2024-11-19 01:38:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 01:38:52,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-19 01:38:52,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 192 transitions. [2024-11-19 01:38:52,451 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5274725274725275 [2024-11-19 01:38:52,452 INFO L175 Difference]: Start difference. First operand has 90 places, 119 transitions, 938 flow. Second operand 7 states and 192 transitions. [2024-11-19 01:38:52,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 266 transitions, 2381 flow [2024-11-19 01:38:52,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 266 transitions, 2379 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-19 01:38:52,535 INFO L231 Difference]: Finished difference. Result has 97 places, 93 transitions, 830 flow [2024-11-19 01:38:52,536 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=936, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=830, PETRI_PLACES=97, PETRI_TRANSITIONS=93} [2024-11-19 01:38:52,537 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 52 predicate places. [2024-11-19 01:38:52,537 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 93 transitions, 830 flow [2024-11-19 01:38:52,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:38:52,537 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:38:52,538 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:38:52,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 01:38:52,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:38:52,739 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:38:52,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:38:52,740 INFO L85 PathProgramCache]: Analyzing trace with hash 816331959, now seen corresponding path program 1 times [2024-11-19 01:38:52,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:38:52,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343259433] [2024-11-19 01:38:52,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:38:52,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:38:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:38:54,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:38:54,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:38:54,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343259433] [2024-11-19 01:38:54,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343259433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:38:54,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:38:54,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 01:38:54,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724584132] [2024-11-19 01:38:54,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:38:54,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 01:38:54,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:38:54,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 01:38:54,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-19 01:38:54,526 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-19 01:38:54,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 93 transitions, 830 flow. Second operand has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 14 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:38:54,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:38:54,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-19 01:38:54,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:38:57,111 INFO L124 PetriNetUnfolderBase]: 2647/4736 cut-off events. [2024-11-19 01:38:57,111 INFO L125 PetriNetUnfolderBase]: For 14195/14195 co-relation queries the response was YES. [2024-11-19 01:38:57,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18522 conditions, 4736 events. 2647/4736 cut-off events. For 14195/14195 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 30449 event pairs, 218 based on Foata normal form. 10/4538 useless extension candidates. Maximal degree in co-relation 18395. Up to 1161 conditions per place. [2024-11-19 01:38:57,150 INFO L140 encePairwiseOnDemand]: 32/52 looper letters, 167 selfloop transitions, 49 changer transitions 126/349 dead transitions. [2024-11-19 01:38:57,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 349 transitions, 3198 flow [2024-11-19 01:38:57,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 01:38:57,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 01:38:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 387 transitions. [2024-11-19 01:38:57,153 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3917004048582996 [2024-11-19 01:38:57,153 INFO L175 Difference]: Start difference. First operand has 97 places, 93 transitions, 830 flow. Second operand 19 states and 387 transitions. [2024-11-19 01:38:57,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 349 transitions, 3198 flow [2024-11-19 01:38:57,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 349 transitions, 3059 flow, removed 27 selfloop flow, removed 5 redundant places. [2024-11-19 01:38:57,259 INFO L231 Difference]: Finished difference. Result has 119 places, 111 transitions, 1181 flow [2024-11-19 01:38:57,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1181, PETRI_PLACES=119, PETRI_TRANSITIONS=111} [2024-11-19 01:38:57,260 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 74 predicate places. [2024-11-19 01:38:57,260 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 111 transitions, 1181 flow [2024-11-19 01:38:57,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 14 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:38:57,261 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:38:57,261 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:38:57,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 01:38:57,261 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:38:57,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:38:57,262 INFO L85 PathProgramCache]: Analyzing trace with hash -406706621, now seen corresponding path program 1 times [2024-11-19 01:38:57,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:38:57,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547326047] [2024-11-19 01:38:57,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:38:57,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:38:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:38:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:38:59,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:38:59,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547326047] [2024-11-19 01:38:59,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547326047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:38:59,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:38:59,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 01:38:59,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351627811] [2024-11-19 01:38:59,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:38:59,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 01:38:59,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:38:59,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 01:38:59,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-19 01:38:59,844 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-19 01:38:59,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 111 transitions, 1181 flow. Second operand has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:38:59,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:38:59,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-19 01:38:59,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:39:03,114 INFO L124 PetriNetUnfolderBase]: 4391/7884 cut-off events. [2024-11-19 01:39:03,114 INFO L125 PetriNetUnfolderBase]: For 34228/34228 co-relation queries the response was YES. [2024-11-19 01:39:03,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33850 conditions, 7884 events. 4391/7884 cut-off events. For 34228/34228 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 55864 event pairs, 218 based on Foata normal form. 11/7628 useless extension candidates. Maximal degree in co-relation 28866. Up to 1530 conditions per place. [2024-11-19 01:39:03,181 INFO L140 encePairwiseOnDemand]: 32/52 looper letters, 288 selfloop transitions, 106 changer transitions 146/547 dead transitions. [2024-11-19 01:39:03,181 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 547 transitions, 5906 flow [2024-11-19 01:39:03,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 01:39:03,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-19 01:39:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 494 transitions. [2024-11-19 01:39:03,184 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4318181818181818 [2024-11-19 01:39:03,184 INFO L175 Difference]: Start difference. First operand has 119 places, 111 transitions, 1181 flow. Second operand 22 states and 494 transitions. [2024-11-19 01:39:03,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 547 transitions, 5906 flow [2024-11-19 01:39:03,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 547 transitions, 5536 flow, removed 13 selfloop flow, removed 9 redundant places. [2024-11-19 01:39:03,419 INFO L231 Difference]: Finished difference. Result has 137 places, 181 transitions, 2313 flow [2024-11-19 01:39:03,419 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=1118, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2313, PETRI_PLACES=137, PETRI_TRANSITIONS=181} [2024-11-19 01:39:03,420 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 92 predicate places. [2024-11-19 01:39:03,420 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 181 transitions, 2313 flow [2024-11-19 01:39:03,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:03,421 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:39:03,421 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:39:03,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 01:39:03,421 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:39:03,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:39:03,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1987620983, now seen corresponding path program 2 times [2024-11-19 01:39:03,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:39:03,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761813960] [2024-11-19 01:39:03,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 01:39:03,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:39:03,561 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 01:39:03,562 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 01:39:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:39:05,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:39:05,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761813960] [2024-11-19 01:39:05,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761813960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:39:05,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:39:05,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 01:39:05,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244472268] [2024-11-19 01:39:05,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:39:05,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 01:39:05,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:39:05,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 01:39:05,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-19 01:39:05,187 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-19 01:39:05,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 181 transitions, 2313 flow. Second operand has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:05,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:39:05,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-19 01:39:05,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:39:08,910 INFO L124 PetriNetUnfolderBase]: 4810/8659 cut-off events. [2024-11-19 01:39:08,911 INFO L125 PetriNetUnfolderBase]: For 47878/47878 co-relation queries the response was YES. [2024-11-19 01:39:08,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39289 conditions, 8659 events. 4810/8659 cut-off events. For 47878/47878 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 63033 event pairs, 327 based on Foata normal form. 10/8285 useless extension candidates. Maximal degree in co-relation 38908. Up to 2309 conditions per place. [2024-11-19 01:39:08,962 INFO L140 encePairwiseOnDemand]: 33/52 looper letters, 274 selfloop transitions, 103 changer transitions 134/520 dead transitions. [2024-11-19 01:39:08,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 520 transitions, 6286 flow [2024-11-19 01:39:08,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 01:39:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-19 01:39:08,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 440 transitions. [2024-11-19 01:39:08,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.40293040293040294 [2024-11-19 01:39:08,968 INFO L175 Difference]: Start difference. First operand has 137 places, 181 transitions, 2313 flow. Second operand 21 states and 440 transitions. [2024-11-19 01:39:08,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 520 transitions, 6286 flow [2024-11-19 01:39:09,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 520 transitions, 6190 flow, removed 41 selfloop flow, removed 1 redundant places. [2024-11-19 01:39:09,225 INFO L231 Difference]: Finished difference. Result has 165 places, 201 transitions, 2947 flow [2024-11-19 01:39:09,227 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=2279, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2947, PETRI_PLACES=165, PETRI_TRANSITIONS=201} [2024-11-19 01:39:09,227 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 120 predicate places. [2024-11-19 01:39:09,227 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 201 transitions, 2947 flow [2024-11-19 01:39:09,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:09,228 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:39:09,228 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:39:09,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 01:39:09,228 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:39:09,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:39:09,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1657928323, now seen corresponding path program 2 times [2024-11-19 01:39:09,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:39:09,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219232721] [2024-11-19 01:39:09,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 01:39:09,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:39:09,306 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 01:39:09,307 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 01:39:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:39:10,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:39:10,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219232721] [2024-11-19 01:39:10,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219232721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:39:10,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:39:10,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 01:39:10,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33297891] [2024-11-19 01:39:10,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:39:10,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 01:39:10,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:39:10,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 01:39:10,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-19 01:39:10,853 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-19 01:39:10,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 201 transitions, 2947 flow. Second operand has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:10,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:39:10,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-19 01:39:10,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:39:13,939 INFO L124 PetriNetUnfolderBase]: 4568/8270 cut-off events. [2024-11-19 01:39:13,940 INFO L125 PetriNetUnfolderBase]: For 61660/61660 co-relation queries the response was YES. [2024-11-19 01:39:13,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40675 conditions, 8270 events. 4568/8270 cut-off events. For 61660/61660 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 59224 event pairs, 566 based on Foata normal form. 11/7957 useless extension candidates. Maximal degree in co-relation 40265. Up to 2515 conditions per place. [2024-11-19 01:39:14,009 INFO L140 encePairwiseOnDemand]: 32/52 looper letters, 276 selfloop transitions, 116 changer transitions 128/527 dead transitions. [2024-11-19 01:39:14,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 527 transitions, 7173 flow [2024-11-19 01:39:14,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 01:39:14,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-19 01:39:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 444 transitions. [2024-11-19 01:39:14,011 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3881118881118881 [2024-11-19 01:39:14,011 INFO L175 Difference]: Start difference. First operand has 165 places, 201 transitions, 2947 flow. Second operand 22 states and 444 transitions. [2024-11-19 01:39:14,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 527 transitions, 7173 flow [2024-11-19 01:39:14,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 527 transitions, 6676 flow, removed 44 selfloop flow, removed 15 redundant places. [2024-11-19 01:39:14,390 INFO L231 Difference]: Finished difference. Result has 183 places, 224 transitions, 3522 flow [2024-11-19 01:39:14,391 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=2729, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=3522, PETRI_PLACES=183, PETRI_TRANSITIONS=224} [2024-11-19 01:39:14,391 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 138 predicate places. [2024-11-19 01:39:14,395 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 224 transitions, 3522 flow [2024-11-19 01:39:14,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:14,395 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:39:14,396 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:39:14,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 01:39:14,396 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:39:14,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:39:14,397 INFO L85 PathProgramCache]: Analyzing trace with hash -469317877, now seen corresponding path program 3 times [2024-11-19 01:39:14,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:39:14,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772571243] [2024-11-19 01:39:14,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 01:39:14,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:39:14,489 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 01:39:14,489 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 01:39:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:39:15,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:39:15,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772571243] [2024-11-19 01:39:15,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772571243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:39:15,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:39:15,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 01:39:15,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299833474] [2024-11-19 01:39:15,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:39:15,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 01:39:15,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:39:15,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 01:39:15,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-19 01:39:15,992 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-19 01:39:15,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 224 transitions, 3522 flow. Second operand has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:15,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:39:15,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-19 01:39:15,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:39:18,837 INFO L124 PetriNetUnfolderBase]: 4648/8427 cut-off events. [2024-11-19 01:39:18,837 INFO L125 PetriNetUnfolderBase]: For 74227/74227 co-relation queries the response was YES. [2024-11-19 01:39:18,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43508 conditions, 8427 events. 4648/8427 cut-off events. For 74227/74227 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 61508 event pairs, 353 based on Foata normal form. 10/8059 useless extension candidates. Maximal degree in co-relation 43236. Up to 2303 conditions per place. [2024-11-19 01:39:18,903 INFO L140 encePairwiseOnDemand]: 33/52 looper letters, 282 selfloop transitions, 117 changer transitions 84/493 dead transitions. [2024-11-19 01:39:18,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 493 transitions, 7396 flow [2024-11-19 01:39:18,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 01:39:18,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 01:39:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 326 transitions. [2024-11-19 01:39:18,905 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4478021978021978 [2024-11-19 01:39:18,905 INFO L175 Difference]: Start difference. First operand has 183 places, 224 transitions, 3522 flow. Second operand 14 states and 326 transitions. [2024-11-19 01:39:18,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 493 transitions, 7396 flow [2024-11-19 01:39:19,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 493 transitions, 7163 flow, removed 84 selfloop flow, removed 6 redundant places. [2024-11-19 01:39:19,323 INFO L231 Difference]: Finished difference. Result has 195 places, 244 transitions, 4123 flow [2024-11-19 01:39:19,323 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=3394, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4123, PETRI_PLACES=195, PETRI_TRANSITIONS=244} [2024-11-19 01:39:19,324 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 150 predicate places. [2024-11-19 01:39:19,324 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 244 transitions, 4123 flow [2024-11-19 01:39:19,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:19,324 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:39:19,324 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:39:19,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 01:39:19,324 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:39:19,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:39:19,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1351645705, now seen corresponding path program 4 times [2024-11-19 01:39:19,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:39:19,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768013923] [2024-11-19 01:39:19,325 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 01:39:19,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:39:19,382 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 01:39:19,382 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 01:39:21,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:39:21,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:39:21,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768013923] [2024-11-19 01:39:21,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768013923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:39:21,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:39:21,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 01:39:21,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763130592] [2024-11-19 01:39:21,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:39:21,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 01:39:21,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:39:21,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 01:39:21,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-19 01:39:21,170 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 52 [2024-11-19 01:39:21,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 244 transitions, 4123 flow. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 12 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:21,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:39:21,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 52 [2024-11-19 01:39:21,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:39:24,153 INFO L124 PetriNetUnfolderBase]: 4990/9301 cut-off events. [2024-11-19 01:39:24,154 INFO L125 PetriNetUnfolderBase]: For 100966/100966 co-relation queries the response was YES. [2024-11-19 01:39:24,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51576 conditions, 9301 events. 4990/9301 cut-off events. For 100966/100966 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 70941 event pairs, 768 based on Foata normal form. 10/8879 useless extension candidates. Maximal degree in co-relation 51183. Up to 2984 conditions per place. [2024-11-19 01:39:24,252 INFO L140 encePairwiseOnDemand]: 33/52 looper letters, 290 selfloop transitions, 119 changer transitions 67/489 dead transitions. [2024-11-19 01:39:24,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 489 transitions, 8114 flow [2024-11-19 01:39:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 01:39:24,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-19 01:39:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 346 transitions. [2024-11-19 01:39:24,259 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41586538461538464 [2024-11-19 01:39:24,259 INFO L175 Difference]: Start difference. First operand has 195 places, 244 transitions, 4123 flow. Second operand 16 states and 346 transitions. [2024-11-19 01:39:24,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 489 transitions, 8114 flow [2024-11-19 01:39:25,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 489 transitions, 7895 flow, removed 15 selfloop flow, removed 7 redundant places. [2024-11-19 01:39:25,210 INFO L231 Difference]: Finished difference. Result has 216 places, 288 transitions, 5362 flow [2024-11-19 01:39:25,211 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=4010, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=5362, PETRI_PLACES=216, PETRI_TRANSITIONS=288} [2024-11-19 01:39:25,213 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 171 predicate places. [2024-11-19 01:39:25,214 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 288 transitions, 5362 flow [2024-11-19 01:39:25,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 12 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:25,214 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:39:25,215 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:39:25,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 01:39:25,215 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:39:25,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:39:25,215 INFO L85 PathProgramCache]: Analyzing trace with hash -522884199, now seen corresponding path program 3 times [2024-11-19 01:39:25,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:39:25,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704201392] [2024-11-19 01:39:25,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 01:39:25,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:39:25,332 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 01:39:25,336 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 01:39:27,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:39:27,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:39:27,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704201392] [2024-11-19 01:39:27,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704201392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:39:27,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:39:27,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 01:39:27,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944410341] [2024-11-19 01:39:27,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:39:27,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 01:39:27,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:39:27,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 01:39:27,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 01:39:27,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-19 01:39:27,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 288 transitions, 5362 flow. Second operand has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:27,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:39:27,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-19 01:39:27,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:39:33,333 INFO L124 PetriNetUnfolderBase]: 6247/11351 cut-off events. [2024-11-19 01:39:33,333 INFO L125 PetriNetUnfolderBase]: For 147665/147669 co-relation queries the response was YES. [2024-11-19 01:39:33,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67344 conditions, 11351 events. 6247/11351 cut-off events. For 147665/147669 co-relation queries the response was YES. Maximal size of possible extension queue 515. Compared 87478 event pairs, 308 based on Foata normal form. 38/10935 useless extension candidates. Maximal degree in co-relation 66862. Up to 3266 conditions per place. [2024-11-19 01:39:33,426 INFO L140 encePairwiseOnDemand]: 33/52 looper letters, 280 selfloop transitions, 248 changer transitions 180/716 dead transitions. [2024-11-19 01:39:33,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 716 transitions, 12803 flow [2024-11-19 01:39:33,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 01:39:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-19 01:39:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 468 transitions. [2024-11-19 01:39:33,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-11-19 01:39:33,428 INFO L175 Difference]: Start difference. First operand has 216 places, 288 transitions, 5362 flow. Second operand 24 states and 468 transitions. [2024-11-19 01:39:33,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 716 transitions, 12803 flow [2024-11-19 01:39:34,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 716 transitions, 12649 flow, removed 58 selfloop flow, removed 4 redundant places. [2024-11-19 01:39:34,692 INFO L231 Difference]: Finished difference. Result has 252 places, 397 transitions, 8536 flow [2024-11-19 01:39:34,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=5280, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=8536, PETRI_PLACES=252, PETRI_TRANSITIONS=397} [2024-11-19 01:39:34,693 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 207 predicate places. [2024-11-19 01:39:34,695 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 397 transitions, 8536 flow [2024-11-19 01:39:34,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:34,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:39:34,696 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:39:34,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 01:39:34,696 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:39:34,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:39:34,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1488432631, now seen corresponding path program 5 times [2024-11-19 01:39:34,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:39:34,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181329664] [2024-11-19 01:39:34,697 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 01:39:34,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:39:34,866 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 01:39:34,866 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 01:39:36,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:39:36,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:39:36,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181329664] [2024-11-19 01:39:36,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181329664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:39:36,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:39:36,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 01:39:36,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832904207] [2024-11-19 01:39:36,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:39:36,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 01:39:36,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:39:36,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 01:39:36,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-19 01:39:36,679 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-19 01:39:36,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 397 transitions, 8536 flow. Second operand has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 14 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:36,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:39:36,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-19 01:39:36,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:39:41,743 INFO L124 PetriNetUnfolderBase]: 5989/10928 cut-off events. [2024-11-19 01:39:41,743 INFO L125 PetriNetUnfolderBase]: For 193830/193830 co-relation queries the response was YES. [2024-11-19 01:39:41,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70911 conditions, 10928 events. 5989/10928 cut-off events. For 193830/193830 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 83340 event pairs, 953 based on Foata normal form. 12/10392 useless extension candidates. Maximal degree in co-relation 70376. Up to 2881 conditions per place. [2024-11-19 01:39:41,908 INFO L140 encePairwiseOnDemand]: 32/52 looper letters, 404 selfloop transitions, 217 changer transitions 92/729 dead transitions. [2024-11-19 01:39:41,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 729 transitions, 15533 flow [2024-11-19 01:39:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 01:39:41,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-19 01:39:41,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 392 transitions. [2024-11-19 01:39:41,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3769230769230769 [2024-11-19 01:39:41,913 INFO L175 Difference]: Start difference. First operand has 252 places, 397 transitions, 8536 flow. Second operand 20 states and 392 transitions. [2024-11-19 01:39:41,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 729 transitions, 15533 flow [2024-11-19 01:39:43,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 729 transitions, 15060 flow, removed 152 selfloop flow, removed 12 redundant places. [2024-11-19 01:39:43,480 INFO L231 Difference]: Finished difference. Result has 270 places, 501 transitions, 11721 flow [2024-11-19 01:39:43,481 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=8264, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=11721, PETRI_PLACES=270, PETRI_TRANSITIONS=501} [2024-11-19 01:39:43,484 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 225 predicate places. [2024-11-19 01:39:43,484 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 501 transitions, 11721 flow [2024-11-19 01:39:43,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 14 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:43,485 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:39:43,485 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:39:43,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 01:39:43,486 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:39:43,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:39:43,486 INFO L85 PathProgramCache]: Analyzing trace with hash -39130741, now seen corresponding path program 6 times [2024-11-19 01:39:43,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:39:43,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439687659] [2024-11-19 01:39:43,487 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 01:39:43,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:39:43,650 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 01:39:43,650 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 01:39:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:39:45,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:39:45,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439687659] [2024-11-19 01:39:45,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439687659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:39:45,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:39:45,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 01:39:45,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299683332] [2024-11-19 01:39:45,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:39:45,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 01:39:45,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:39:45,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 01:39:45,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 01:39:45,854 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-19 01:39:45,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 501 transitions, 11721 flow. Second operand has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:45,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:39:45,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-19 01:39:45,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:39:52,163 INFO L124 PetriNetUnfolderBase]: 5932/10841 cut-off events. [2024-11-19 01:39:52,163 INFO L125 PetriNetUnfolderBase]: For 219630/219630 co-relation queries the response was YES. [2024-11-19 01:39:52,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73709 conditions, 10841 events. 5932/10841 cut-off events. For 219630/219630 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 83217 event pairs, 467 based on Foata normal form. 10/10327 useless extension candidates. Maximal degree in co-relation 73138. Up to 2646 conditions per place. [2024-11-19 01:39:52,299 INFO L140 encePairwiseOnDemand]: 33/52 looper letters, 358 selfloop transitions, 324 changer transitions 71/769 dead transitions. [2024-11-19 01:39:52,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 769 transitions, 16818 flow [2024-11-19 01:39:52,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 01:39:52,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-19 01:39:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 447 transitions. [2024-11-19 01:39:52,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3581730769230769 [2024-11-19 01:39:52,302 INFO L175 Difference]: Start difference. First operand has 270 places, 501 transitions, 11721 flow. Second operand 24 states and 447 transitions. [2024-11-19 01:39:52,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 769 transitions, 16818 flow [2024-11-19 01:39:53,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 769 transitions, 16527 flow, removed 100 selfloop flow, removed 7 redundant places. [2024-11-19 01:39:53,965 INFO L231 Difference]: Finished difference. Result has 293 places, 530 transitions, 13121 flow [2024-11-19 01:39:53,966 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=11505, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=13121, PETRI_PLACES=293, PETRI_TRANSITIONS=530} [2024-11-19 01:39:53,967 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 248 predicate places. [2024-11-19 01:39:53,967 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 530 transitions, 13121 flow [2024-11-19 01:39:53,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:53,967 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:39:53,967 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:39:53,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 01:39:53,968 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 01:39:53,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:39:53,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1404745649, now seen corresponding path program 7 times [2024-11-19 01:39:53,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:39:53,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149381180] [2024-11-19 01:39:53,969 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 01:39:53,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:39:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:39:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 01:39:55,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:39:55,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149381180] [2024-11-19 01:39:55,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149381180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:39:55,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:39:55,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 01:39:55,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103737734] [2024-11-19 01:39:55,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:39:55,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 01:39:55,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:39:55,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 01:39:55,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-19 01:39:56,008 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-19 01:39:56,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 530 transitions, 13121 flow. Second operand has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:39:56,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:39:56,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-19 01:39:56,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand