./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 915f0586f949e48c77b2ad32406f83bea8431367172226a976e54d2db72122f7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 16:02:47,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 16:02:47,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 16:02:47,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 16:02:47,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 16:02:47,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 16:02:47,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 16:02:47,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 16:02:47,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 16:02:47,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 16:02:47,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 16:02:47,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 16:02:47,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 16:02:47,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 16:02:47,278 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 16:02:47,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 16:02:47,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 16:02:47,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 16:02:47,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 16:02:47,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 16:02:47,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 16:02:47,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 16:02:47,282 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 16:02:47,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 16:02:47,282 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 16:02:47,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 16:02:47,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 16:02:47,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 16:02:47,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 16:02:47,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 16:02:47,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 16:02:47,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 16:02:47,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 16:02:47,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 16:02:47,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 16:02:47,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 16:02:47,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 16:02:47,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 16:02:47,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 16:02:47,284 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 915f0586f949e48c77b2ad32406f83bea8431367172226a976e54d2db72122f7 [2024-11-22 16:02:47,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 16:02:47,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 16:02:47,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 16:02:47,504 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 16:02:47,504 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 16:02:47,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2024-11-22 16:02:48,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 16:02:49,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 16:02:49,092 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2024-11-22 16:02:49,133 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3397bca8/1e5e055c9b674bccb475bd9230220726/FLAG8b905a0fc [2024-11-22 16:02:49,247 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3397bca8/1e5e055c9b674bccb475bd9230220726 [2024-11-22 16:02:49,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 16:02:49,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 16:02:49,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 16:02:49,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 16:02:49,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 16:02:49,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:02:49" (1/1) ... [2024-11-22 16:02:49,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2738163b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:49, skipping insertion in model container [2024-11-22 16:02:49,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:02:49" (1/1) ... [2024-11-22 16:02:49,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 16:02:50,281 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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2024-11-22 16:02:50,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 16:02:50,341 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 16:02:50,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3951-3952] [2024-11-22 16:02:50,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4068] [2024-11-22 16:02:50,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4071] [2024-11-22 16:02:50,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4074] [2024-11-22 16:02:50,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4077] [2024-11-22 16:02:50,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [4102] [2024-11-22 16:02:50,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4105] [2024-11-22 16:02:50,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4108] [2024-11-22 16:02:50,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4111] [2024-11-22 16:02:50,678 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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2024-11-22 16:02:50,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 16:02:50,730 INFO L204 MainTranslator]: Completed translation [2024-11-22 16:02:50,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50 WrapperNode [2024-11-22 16:02:50,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 16:02:50,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 16:02:50,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 16:02:50,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 16:02:50,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (1/1) ... [2024-11-22 16:02:50,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (1/1) ... [2024-11-22 16:02:50,880 INFO L138 Inliner]: procedures = 180, calls = 1538, calls flagged for inlining = 71, calls inlined = 66, statements flattened = 4498 [2024-11-22 16:02:50,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 16:02:50,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 16:02:50,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 16:02:50,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 16:02:50,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (1/1) ... [2024-11-22 16:02:50,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (1/1) ... [2024-11-22 16:02:50,914 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (1/1) ... [2024-11-22 16:02:51,157 INFO L175 MemorySlicer]: Split 770 memory accesses to 11 slices as follows [2, 1, 27, 38, 2, 146, 2, 427, 119, 3, 3]. 55 percent of accesses are in the largest equivalence class. The 71 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 66, 0, 0, 3]. The 431 writes are split as follows [0, 0, 27, 2, 1, 146, 1, 151, 102, 1, 0]. [2024-11-22 16:02:51,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (1/1) ... [2024-11-22 16:02:51,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (1/1) ... [2024-11-22 16:02:51,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (1/1) ... [2024-11-22 16:02:51,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (1/1) ... [2024-11-22 16:02:51,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (1/1) ... [2024-11-22 16:02:51,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (1/1) ... [2024-11-22 16:02:51,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 16:02:51,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 16:02:51,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 16:02:51,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 16:02:51,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (1/1) ... [2024-11-22 16:02:51,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 16:02:51,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 16:02:51,355 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) [2024-11-22 16:02:51,358 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 [2024-11-22 16:02:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-22 16:02:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-22 16:02:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure digi_disconnect [2024-11-22 16:02:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_disconnect [2024-11-22 16:02:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 16:02:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 16:02:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 16:02:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 16:02:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 16:02:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 16:02:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 16:02:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 16:02:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 16:02:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 16:02:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 16:02:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure digi_break_ctl [2024-11-22 16:02:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_break_ctl [2024-11-22 16:02:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-22 16:02:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-22 16:02:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-22 16:02:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-22 16:02:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-22 16:02:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-22 16:02:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-22 16:02:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-22 16:02:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-22 16:02:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-22 16:02:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-22 16:02:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure cond_wait_interruptible_timeout_irqrestore [2024-11-22 16:02:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_wait_interruptible_timeout_irqrestore [2024-11-22 16:02:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 16:02:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 16:02:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 16:02:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 16:02:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 16:02:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 16:02:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 16:02:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 16:02:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 16:02:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-22 16:02:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-22 16:02:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-22 16:02:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-22 16:02:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 16:02:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 16:02:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 16:02:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 16:02:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 16:02:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 16:02:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 16:02:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 16:02:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 16:02:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 16:02:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 16:02:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-22 16:02:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-22 16:02:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_throttle [2024-11-22 16:02:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_throttle [2024-11-22 16:02:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2024-11-22 16:02:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2024-11-22 16:02:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-22 16:02:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-22 16:02:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-22 16:02:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-22 16:02:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-22 16:02:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-22 16:02:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-22 16:02:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-22 16:02:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-22 16:02:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-22 16:02:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-22 16:02:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-22 16:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-22 16:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-22 16:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-22 16:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-22 16:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-22 16:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-22 16:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-22 16:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-22 16:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-22 16:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-22 16:02:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-22 16:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-22 16:02:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-22 16:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-22 16:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup [2024-11-22 16:02:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup [2024-11-22 16:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 16:02:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 16:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2024-11-22 16:02:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2024-11-22 16:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure digi_open [2024-11-22 16:02:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_open [2024-11-22 16:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-22 16:02:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-22 16:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-22 16:02:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-22 16:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-22 16:02:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-22 16:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-22 16:02:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-22 16:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2024-11-22 16:02:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2024-11-22 16:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_bulk_callback [2024-11-22 16:02:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_bulk_callback [2024-11-22 16:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 16:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 16:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 16:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 16:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 16:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 16:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 16:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 16:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 16:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 16:02:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 16:02:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-22 16:02:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-22 16:02:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-22 16:02:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-22 16:02:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_bulk_callback [2024-11-22 16:02:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_bulk_callback [2024-11-22 16:02:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-22 16:02:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-22 16:02:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write [2024-11-22 16:02:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write [2024-11-22 16:02:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_termios [2024-11-22 16:02:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_termios [2024-11-22 16:02:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure digi_wakeup_write_lock [2024-11-22 16:02:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_wakeup_write_lock [2024-11-22 16:02:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_room [2024-11-22 16:02:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_room [2024-11-22 16:02:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-22 16:02:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-22 16:02:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 16:02:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 16:02:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure digi_close [2024-11-22 16:02:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_close [2024-11-22 16:02:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmset [2024-11-22 16:02:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmset [2024-11-22 16:02:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmget [2024-11-22 16:02:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmget [2024-11-22 16:02:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 16:02:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-22 16:02:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-22 16:02:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-22 16:02:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-22 16:02:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_modem_signals [2024-11-22 16:02:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_modem_signals [2024-11-22 16:02:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2024-11-22 16:02:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2024-11-22 16:02:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 16:02:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_probe [2024-11-22 16:02:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_probe [2024-11-22 16:02:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 16:02:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 16:02:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 16:02:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 16:02:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 16:02:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 16:02:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 16:02:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 16:02:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 16:02:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 16:02:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-22 16:02:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-22 16:02:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure digi_release [2024-11-22 16:02:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_release [2024-11-22 16:02:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-22 16:02:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_inb_command [2024-11-22 16:02:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_inb_command [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_oob_command [2024-11-22 16:02:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_oob_command [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-22 16:02:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-22 16:02:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-22 16:02:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_init [2024-11-22 16:02:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_init [2024-11-22 16:02:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-22 16:02:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-22 16:02:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-11-22 16:02:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-11-22 16:02:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-22 16:02:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-22 16:02:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 16:02:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_unthrottle [2024-11-22 16:02:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_unthrottle [2024-11-22 16:02:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 16:02:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 16:02:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 16:02:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 16:02:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 16:02:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 16:02:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 16:02:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 16:02:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-22 16:02:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-22 16:02:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-22 16:02:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2024-11-22 16:02:51,409 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2024-11-22 16:02:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure digi_dtr_rts [2024-11-22 16:02:51,409 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_dtr_rts [2024-11-22 16:02:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-22 16:02:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-22 16:02:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure digi_chars_in_buffer [2024-11-22 16:02:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_chars_in_buffer [2024-11-22 16:02:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-22 16:02:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-22 16:02:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-22 16:02:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-22 16:02:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-22 16:02:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-22 16:02:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-22 16:02:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-22 16:02:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-22 16:02:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_remove [2024-11-22 16:02:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_remove [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-22 16:02:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-22 16:02:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2024-11-22 16:02:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2024-11-22 16:02:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2024-11-22 16:02:51,412 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2024-11-22 16:02:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-22 16:02:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-22 16:02:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-22 16:02:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-22 16:02:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-22 16:02:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-22 16:02:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-22 16:02:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-22 16:02:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-22 16:02:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-22 16:02:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-22 16:02:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-22 16:02:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-22 16:02:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 16:02:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 16:02:51,826 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 16:02:51,829 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 16:02:51,989 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-22 16:03:06,362 INFO L? ?]: Removed 1369 outVars from TransFormulas that were not future-live. [2024-11-22 16:03:06,362 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 16:03:06,404 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 16:03:06,405 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 16:03:06,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:03:06 BoogieIcfgContainer [2024-11-22 16:03:06,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 16:03:06,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 16:03:06,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 16:03:06,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 16:03:06,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:02:49" (1/3) ... [2024-11-22 16:03:06,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6700ed43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:03:06, skipping insertion in model container [2024-11-22 16:03:06,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:50" (2/3) ... [2024-11-22 16:03:06,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6700ed43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:03:06, skipping insertion in model container [2024-11-22 16:03:06,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:03:06" (3/3) ... [2024-11-22 16:03:06,415 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2024-11-22 16:03:06,434 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 16:03:06,434 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 16:03:06,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 16:03:06,530 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;@3047c94f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 16:03:06,530 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 16:03:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 1560 states, 1130 states have (on average 1.4256637168141593) internal successors, (1611), 1150 states have internal predecessors, (1611), 365 states have call successors, (365), 64 states have call predecessors, (365), 63 states have return successors, (360), 356 states have call predecessors, (360), 360 states have call successors, (360) [2024-11-22 16:03:06,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-22 16:03:06,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:06,554 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:06,555 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:06,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:06,559 INFO L85 PathProgramCache]: Analyzing trace with hash -287343303, now seen corresponding path program 1 times [2024-11-22 16:03:06,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:06,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607698938] [2024-11-22 16:03:06,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:06,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-22 16:03:09,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:09,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607698938] [2024-11-22 16:03:09,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607698938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 16:03:09,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666084436] [2024-11-22 16:03:09,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:09,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 16:03:09,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 16:03:09,126 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) [2024-11-22 16:03:09,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 16:03:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:11,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 3360 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 16:03:11,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 16:03:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-11-22 16:03:11,873 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 16:03:11,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666084436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:11,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 16:03:11,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 16:03:11,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133632850] [2024-11-22 16:03:11,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:11,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 16:03:11,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:11,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 16:03:11,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 16:03:11,903 INFO L87 Difference]: Start difference. First operand has 1560 states, 1130 states have (on average 1.4256637168141593) internal successors, (1611), 1150 states have internal predecessors, (1611), 365 states have call successors, (365), 64 states have call predecessors, (365), 63 states have return successors, (360), 356 states have call predecessors, (360), 360 states have call successors, (360) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 16:03:12,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:12,014 INFO L93 Difference]: Finished difference Result 3115 states and 4775 transitions. [2024-11-22 16:03:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 16:03:12,017 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-11-22 16:03:12,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:12,041 INFO L225 Difference]: With dead ends: 3115 [2024-11-22 16:03:12,041 INFO L226 Difference]: Without dead ends: 1545 [2024-11-22 16:03:12,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 16:03:12,054 INFO L432 NwaCegarLoop]: 2323 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2323 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:12,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2323 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 16:03:12,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2024-11-22 16:03:12,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1545. [2024-11-22 16:03:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1122 states have (on average 1.4126559714795008) internal successors, (1585), 1135 states have internal predecessors, (1585), 360 states have call successors, (360), 63 states have call predecessors, (360), 62 states have return successors, (359), 355 states have call predecessors, (359), 359 states have call successors, (359) [2024-11-22 16:03:12,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2304 transitions. [2024-11-22 16:03:12,170 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2304 transitions. Word has length 152 [2024-11-22 16:03:12,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:12,171 INFO L471 AbstractCegarLoop]: Abstraction has 1545 states and 2304 transitions. [2024-11-22 16:03:12,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 16:03:12,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2304 transitions. [2024-11-22 16:03:12,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-22 16:03:12,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:12,177 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:12,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 16:03:12,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 16:03:12,378 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:12,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:12,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1222953281, now seen corresponding path program 1 times [2024-11-22 16:03:12,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:12,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733577886] [2024-11-22 16:03:12,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:12,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:14,607 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-22 16:03:14,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:14,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733577886] [2024-11-22 16:03:14,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733577886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:14,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:03:14,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:03:14,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793788566] [2024-11-22 16:03:14,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:14,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:03:14,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:14,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:03:14,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:14,613 INFO L87 Difference]: Start difference. First operand 1545 states and 2304 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-22 16:03:16,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:16,126 INFO L93 Difference]: Finished difference Result 4357 states and 6469 transitions. [2024-11-22 16:03:16,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:03:16,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 152 [2024-11-22 16:03:16,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:16,145 INFO L225 Difference]: With dead ends: 4357 [2024-11-22 16:03:16,145 INFO L226 Difference]: Without dead ends: 2847 [2024-11-22 16:03:16,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:16,155 INFO L432 NwaCegarLoop]: 2303 mSDtfsCounter, 1949 mSDsluCounter, 2082 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:16,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1949 Valid, 4385 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 16:03:16,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2024-11-22 16:03:16,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2842. [2024-11-22 16:03:16,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2842 states, 2074 states have (on average 1.4074252651880423) internal successors, (2919), 2101 states have internal predecessors, (2919), 645 states have call successors, (645), 123 states have call predecessors, (645), 122 states have return successors, (644), 635 states have call predecessors, (644), 644 states have call successors, (644) [2024-11-22 16:03:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2842 states and 4208 transitions. [2024-11-22 16:03:16,274 INFO L78 Accepts]: Start accepts. Automaton has 2842 states and 4208 transitions. Word has length 152 [2024-11-22 16:03:16,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:16,275 INFO L471 AbstractCegarLoop]: Abstraction has 2842 states and 4208 transitions. [2024-11-22 16:03:16,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-22 16:03:16,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 4208 transitions. [2024-11-22 16:03:16,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-22 16:03:16,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:16,277 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:16,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 16:03:16,278 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:16,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:16,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1720941943, now seen corresponding path program 1 times [2024-11-22 16:03:16,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:16,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12888141] [2024-11-22 16:03:16,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:16,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:18,259 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-22 16:03:18,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:18,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12888141] [2024-11-22 16:03:18,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12888141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:18,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:03:18,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:03:18,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177615188] [2024-11-22 16:03:18,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:18,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:03:18,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:18,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:03:18,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:18,266 INFO L87 Difference]: Start difference. First operand 2842 states and 4208 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-22 16:03:19,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:19,636 INFO L93 Difference]: Finished difference Result 7029 states and 10380 transitions. [2024-11-22 16:03:19,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:03:19,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 152 [2024-11-22 16:03:19,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:19,662 INFO L225 Difference]: With dead ends: 7029 [2024-11-22 16:03:19,662 INFO L226 Difference]: Without dead ends: 4222 [2024-11-22 16:03:19,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:19,678 INFO L432 NwaCegarLoop]: 4110 mSDtfsCounter, 1962 mSDsluCounter, 2094 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1962 SdHoareTripleChecker+Valid, 6204 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:19,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1962 Valid, 6204 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-22 16:03:19,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2024-11-22 16:03:19,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 4219. [2024-11-22 16:03:19,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4219 states, 3089 states have (on average 1.4046617028164454) internal successors, (4339), 3129 states have internal predecessors, (4339), 939 states have call successors, (939), 191 states have call predecessors, (939), 190 states have return successors, (938), 925 states have call predecessors, (938), 938 states have call successors, (938) [2024-11-22 16:03:19,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 4219 states and 6216 transitions. [2024-11-22 16:03:19,811 INFO L78 Accepts]: Start accepts. Automaton has 4219 states and 6216 transitions. Word has length 152 [2024-11-22 16:03:19,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:19,811 INFO L471 AbstractCegarLoop]: Abstraction has 4219 states and 6216 transitions. [2024-11-22 16:03:19,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-22 16:03:19,812 INFO L276 IsEmpty]: Start isEmpty. Operand 4219 states and 6216 transitions. [2024-11-22 16:03:19,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-22 16:03:19,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:19,816 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:19,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 16:03:19,817 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:19,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:19,817 INFO L85 PathProgramCache]: Analyzing trace with hash 260983603, now seen corresponding path program 1 times [2024-11-22 16:03:19,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:19,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671147346] [2024-11-22 16:03:19,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:19,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-22 16:03:22,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:22,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671147346] [2024-11-22 16:03:22,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671147346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:22,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:03:22,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:03:22,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838616562] [2024-11-22 16:03:22,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:22,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:03:22,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:22,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:03:22,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:22,075 INFO L87 Difference]: Start difference. First operand 4219 states and 6216 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-22 16:03:26,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 16:03:28,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:28,196 INFO L93 Difference]: Finished difference Result 10572 states and 15610 transitions. [2024-11-22 16:03:28,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:03:28,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 293 [2024-11-22 16:03:28,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:28,228 INFO L225 Difference]: With dead ends: 10572 [2024-11-22 16:03:28,228 INFO L226 Difference]: Without dead ends: 6402 [2024-11-22 16:03:28,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:28,248 INFO L432 NwaCegarLoop]: 2469 mSDtfsCounter, 2030 mSDsluCounter, 2091 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 83 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:28,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2030 Valid, 4560 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 206 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-22 16:03:28,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6402 states. [2024-11-22 16:03:28,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6402 to 6397. [2024-11-22 16:03:28,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6397 states, 4741 states have (on average 1.3963298882092385) internal successors, (6620), 4802 states have internal predecessors, (6620), 1358 states have call successors, (1358), 298 states have call predecessors, (1358), 297 states have return successors, (1357), 1338 states have call predecessors, (1357), 1357 states have call successors, (1357) [2024-11-22 16:03:28,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6397 states to 6397 states and 9335 transitions. [2024-11-22 16:03:28,421 INFO L78 Accepts]: Start accepts. Automaton has 6397 states and 9335 transitions. Word has length 293 [2024-11-22 16:03:28,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:28,422 INFO L471 AbstractCegarLoop]: Abstraction has 6397 states and 9335 transitions. [2024-11-22 16:03:28,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-22 16:03:28,425 INFO L276 IsEmpty]: Start isEmpty. Operand 6397 states and 9335 transitions. [2024-11-22 16:03:28,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-22 16:03:28,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:28,428 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:28,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 16:03:28,428 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:28,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:28,429 INFO L85 PathProgramCache]: Analyzing trace with hash 758972265, now seen corresponding path program 1 times [2024-11-22 16:03:28,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:28,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617095846] [2024-11-22 16:03:28,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:28,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-22 16:03:30,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:30,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617095846] [2024-11-22 16:03:30,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617095846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:30,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:03:30,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:03:30,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596921423] [2024-11-22 16:03:30,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:30,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:03:30,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:30,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:03:30,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:30,478 INFO L87 Difference]: Start difference. First operand 6397 states and 9335 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-22 16:03:34,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 16:03:36,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:36,580 INFO L93 Difference]: Finished difference Result 15781 states and 23082 transitions. [2024-11-22 16:03:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:03:36,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 293 [2024-11-22 16:03:36,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:36,627 INFO L225 Difference]: With dead ends: 15781 [2024-11-22 16:03:36,627 INFO L226 Difference]: Without dead ends: 9433 [2024-11-22 16:03:36,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:36,649 INFO L432 NwaCegarLoop]: 2478 mSDtfsCounter, 2035 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 77 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2035 SdHoareTripleChecker+Valid, 4570 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:36,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2035 Valid, 4570 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-22 16:03:36,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9433 states. [2024-11-22 16:03:36,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9433 to 9430. [2024-11-22 16:03:36,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9430 states, 7074 states have (on average 1.3897370653095844) internal successors, (9831), 7162 states have internal predecessors, (9831), 1907 states have call successors, (1907), 449 states have call predecessors, (1907), 448 states have return successors, (1906), 1881 states have call predecessors, (1906), 1906 states have call successors, (1906) [2024-11-22 16:03:36,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9430 states to 9430 states and 13644 transitions. [2024-11-22 16:03:36,895 INFO L78 Accepts]: Start accepts. Automaton has 9430 states and 13644 transitions. Word has length 293 [2024-11-22 16:03:36,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:36,896 INFO L471 AbstractCegarLoop]: Abstraction has 9430 states and 13644 transitions. [2024-11-22 16:03:36,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-22 16:03:36,897 INFO L276 IsEmpty]: Start isEmpty. Operand 9430 states and 13644 transitions. [2024-11-22 16:03:36,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-22 16:03:36,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:36,899 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:36,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 16:03:36,901 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:36,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:36,902 INFO L85 PathProgramCache]: Analyzing trace with hash 575710413, now seen corresponding path program 1 times [2024-11-22 16:03:36,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:36,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629492377] [2024-11-22 16:03:36,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:36,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-11-22 16:03:38,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:38,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629492377] [2024-11-22 16:03:38,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629492377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:38,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:03:38,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:03:38,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335695953] [2024-11-22 16:03:38,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:38,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:03:38,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:38,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:03:38,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:38,904 INFO L87 Difference]: Start difference. First operand 9430 states and 13644 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-22 16:03:39,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:39,038 INFO L93 Difference]: Finished difference Result 9441 states and 13662 transitions. [2024-11-22 16:03:39,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:03:39,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 294 [2024-11-22 16:03:39,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:39,074 INFO L225 Difference]: With dead ends: 9441 [2024-11-22 16:03:39,074 INFO L226 Difference]: Without dead ends: 9438 [2024-11-22 16:03:39,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:39,080 INFO L432 NwaCegarLoop]: 2303 mSDtfsCounter, 0 mSDsluCounter, 2298 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4601 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:39,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4601 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 16:03:39,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9438 states. [2024-11-22 16:03:39,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9438 to 9438. [2024-11-22 16:03:39,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9438 states, 7082 states have (on average 1.3892968088110704) internal successors, (9839), 7170 states have internal predecessors, (9839), 1907 states have call successors, (1907), 449 states have call predecessors, (1907), 448 states have return successors, (1906), 1881 states have call predecessors, (1906), 1906 states have call successors, (1906) [2024-11-22 16:03:39,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 13652 transitions. [2024-11-22 16:03:39,293 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 13652 transitions. Word has length 294 [2024-11-22 16:03:39,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:39,294 INFO L471 AbstractCegarLoop]: Abstraction has 9438 states and 13652 transitions. [2024-11-22 16:03:39,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-22 16:03:39,295 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 13652 transitions. [2024-11-22 16:03:39,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-22 16:03:39,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:39,297 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:39,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 16:03:39,298 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:39,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:39,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1349390798, now seen corresponding path program 1 times [2024-11-22 16:03:39,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:39,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851424177] [2024-11-22 16:03:39,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:39,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:41,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-11-22 16:03:41,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:41,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851424177] [2024-11-22 16:03:41,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851424177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:41,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:03:41,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 16:03:41,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805281616] [2024-11-22 16:03:41,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:41,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 16:03:41,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:41,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 16:03:41,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 16:03:41,703 INFO L87 Difference]: Start difference. First operand 9438 states and 13652 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-22 16:03:42,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:42,013 INFO L93 Difference]: Finished difference Result 19092 states and 27650 transitions. [2024-11-22 16:03:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 16:03:42,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 296 [2024-11-22 16:03:42,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:42,054 INFO L225 Difference]: With dead ends: 19092 [2024-11-22 16:03:42,054 INFO L226 Difference]: Without dead ends: 9703 [2024-11-22 16:03:42,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 16:03:42,081 INFO L432 NwaCegarLoop]: 2320 mSDtfsCounter, 1807 mSDsluCounter, 2774 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 5094 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:42,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 5094 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 16:03:42,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9703 states. [2024-11-22 16:03:42,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9703 to 9638. [2024-11-22 16:03:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9638 states, 7227 states have (on average 1.3870208938702089) internal successors, (10024), 7323 states have internal predecessors, (10024), 1928 states have call successors, (1928), 491 states have call predecessors, (1928), 482 states have return successors, (1927), 1894 states have call predecessors, (1927), 1927 states have call successors, (1927) [2024-11-22 16:03:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9638 states to 9638 states and 13879 transitions. [2024-11-22 16:03:42,354 INFO L78 Accepts]: Start accepts. Automaton has 9638 states and 13879 transitions. Word has length 296 [2024-11-22 16:03:42,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:42,355 INFO L471 AbstractCegarLoop]: Abstraction has 9638 states and 13879 transitions. [2024-11-22 16:03:42,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-22 16:03:42,356 INFO L276 IsEmpty]: Start isEmpty. Operand 9638 states and 13879 transitions. [2024-11-22 16:03:42,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-22 16:03:42,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:42,359 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:42,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 16:03:42,360 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:42,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:42,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1896698907, now seen corresponding path program 1 times [2024-11-22 16:03:42,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:42,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428924414] [2024-11-22 16:03:42,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:42,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-11-22 16:03:44,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:44,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428924414] [2024-11-22 16:03:44,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428924414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:44,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:03:44,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 16:03:44,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556501625] [2024-11-22 16:03:44,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:44,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 16:03:44,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:44,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 16:03:44,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 16:03:44,909 INFO L87 Difference]: Start difference. First operand 9638 states and 13879 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-22 16:03:45,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:45,406 INFO L93 Difference]: Finished difference Result 19324 states and 27850 transitions. [2024-11-22 16:03:45,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 16:03:45,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 306 [2024-11-22 16:03:45,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:45,442 INFO L225 Difference]: With dead ends: 19324 [2024-11-22 16:03:45,442 INFO L226 Difference]: Without dead ends: 9735 [2024-11-22 16:03:45,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 16:03:45,469 INFO L432 NwaCegarLoop]: 2303 mSDtfsCounter, 18 mSDsluCounter, 6892 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 9195 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:45,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 9195 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 16:03:45,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9735 states. [2024-11-22 16:03:45,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9735 to 9718. [2024-11-22 16:03:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9718 states, 7299 states have (on average 1.3853952596246062) internal successors, (10112), 7395 states have internal predecessors, (10112), 1928 states have call successors, (1928), 499 states have call predecessors, (1928), 490 states have return successors, (1927), 1894 states have call predecessors, (1927), 1927 states have call successors, (1927) [2024-11-22 16:03:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9718 states to 9718 states and 13967 transitions. [2024-11-22 16:03:45,709 INFO L78 Accepts]: Start accepts. Automaton has 9718 states and 13967 transitions. Word has length 306 [2024-11-22 16:03:45,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:45,710 INFO L471 AbstractCegarLoop]: Abstraction has 9718 states and 13967 transitions. [2024-11-22 16:03:45,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-22 16:03:45,711 INFO L276 IsEmpty]: Start isEmpty. Operand 9718 states and 13967 transitions. [2024-11-22 16:03:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-22 16:03:45,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:45,714 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:45,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 16:03:45,714 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:45,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:45,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1161094224, now seen corresponding path program 1 times [2024-11-22 16:03:45,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:45,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160748088] [2024-11-22 16:03:45,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:45,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:48,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2024-11-22 16:03:48,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:48,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160748088] [2024-11-22 16:03:48,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160748088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 16:03:48,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451442841] [2024-11-22 16:03:48,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:48,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 16:03:48,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 16:03:48,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 16:03:48,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 16:03:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:55,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 3967 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 16:03:55,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 16:03:55,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2024-11-22 16:03:55,501 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 16:03:55,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451442841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:55,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 16:03:55,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-22 16:03:55,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004401271] [2024-11-22 16:03:55,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:55,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 16:03:55,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:55,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 16:03:55,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 16:03:55,504 INFO L87 Difference]: Start difference. First operand 9718 states and 13967 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 16:03:55,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:55,892 INFO L93 Difference]: Finished difference Result 19414 states and 27917 transitions. [2024-11-22 16:03:55,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 16:03:55,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 307 [2024-11-22 16:03:55,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:55,928 INFO L225 Difference]: With dead ends: 19414 [2024-11-22 16:03:55,928 INFO L226 Difference]: Without dead ends: 9719 [2024-11-22 16:03:55,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 16:03:55,952 INFO L432 NwaCegarLoop]: 2302 mSDtfsCounter, 0 mSDsluCounter, 4584 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6886 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:55,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6886 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 16:03:55,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9719 states. [2024-11-22 16:03:56,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9719 to 9719. [2024-11-22 16:03:56,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9719 states, 7300 states have (on average 1.3853424657534246) internal successors, (10113), 7396 states have internal predecessors, (10113), 1928 states have call successors, (1928), 499 states have call predecessors, (1928), 490 states have return successors, (1927), 1894 states have call predecessors, (1927), 1927 states have call successors, (1927) [2024-11-22 16:03:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9719 states to 9719 states and 13968 transitions. [2024-11-22 16:03:56,176 INFO L78 Accepts]: Start accepts. Automaton has 9719 states and 13968 transitions. Word has length 307 [2024-11-22 16:03:56,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:56,177 INFO L471 AbstractCegarLoop]: Abstraction has 9719 states and 13968 transitions. [2024-11-22 16:03:56,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 16:03:56,177 INFO L276 IsEmpty]: Start isEmpty. Operand 9719 states and 13968 transitions. [2024-11-22 16:03:56,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-22 16:03:56,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:56,180 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:56,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 16:03:56,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-22 16:03:56,381 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:56,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:56,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1953691943, now seen corresponding path program 1 times [2024-11-22 16:03:56,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:56,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789909655] [2024-11-22 16:03:56,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:56,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2024-11-22 16:03:59,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:59,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789909655] [2024-11-22 16:03:59,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789909655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 16:03:59,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563164169] [2024-11-22 16:03:59,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:59,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 16:03:59,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 16:03:59,687 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 16:03:59,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process