./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-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB --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 f10b86998fea4674fa5b7015999108ca74c118dd26b5c956056f2717da247f4b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:50:26,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:50:26,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 19:50:26,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:50:26,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:50:26,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:50:26,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:50:26,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:50:26,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:50:26,389 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:50:26,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:50:26,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:50:26,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:50:26,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:50:26,390 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:50:26,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:50:26,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:50:26,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:50:26,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:50:26,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:50:26,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:50:26,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:50:26,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:50:26,392 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:50:26,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:50:26,392 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:50:26,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:26,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:50:26,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:26,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:26,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:50:26,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:26,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:50:26,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:26,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:26,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:50:26,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:50:26,394 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:50:26,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:50:26,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:50:26,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:50:26,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:50:26,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:50:26,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:50:26,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:50:26,395 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB 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 -> f10b86998fea4674fa5b7015999108ca74c118dd26b5c956056f2717da247f4b [2024-11-27 19:50:26,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:50:26,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:50:26,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:50:26,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:50:26,748 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:50:26,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i [2024-11-27 19:50:29,684 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/data/cf2465394/36e3e16dad8443aca6eeb89f6cafece0/FLAG46c6cef1a [2024-11-27 19:50:30,436 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:50:30,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i [2024-11-27 19:50:30,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/data/cf2465394/36e3e16dad8443aca6eeb89f6cafece0/FLAG46c6cef1a [2024-11-27 19:50:30,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/data/cf2465394/36e3e16dad8443aca6eeb89f6cafece0 [2024-11-27 19:50:30,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:50:30,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:50:30,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:30,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:50:30,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:50:30,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678e25b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30, skipping insertion in model container [2024-11-27 19:50:30,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:50:32,352 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i[175998,176011] [2024-11-27 19:50:32,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:32,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:50:32,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2452] [2024-11-27 19:50:32,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2455] [2024-11-27 19:50:32,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2458] [2024-11-27 19:50:32,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2461] [2024-11-27 19:50:32,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2613] [2024-11-27 19:50:32,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2621] [2024-11-27 19:50:32,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [2899-2900] [2024-11-27 19:50:32,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [2904-2905] [2024-11-27 19:50:32,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [2909-2910] [2024-11-27 19:50:32,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [2914-2915] [2024-11-27 19:50:32,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [3218-3219] [2024-11-27 19:50:32,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [3223-3224] [2024-11-27 19:50:32,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [3228-3229] [2024-11-27 19:50:32,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [3233-3234] [2024-11-27 19:50:32,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___15->state): : "memory", "cc"); [3313-3314] [2024-11-27 19:50:32,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___16->state): : "memory", "cc"); [3318-3319] [2024-11-27 19:50:32,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [3323-3324] [2024-11-27 19:50:32,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [3328-3329] [2024-11-27 19:50:32,924 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i[175998,176011] [2024-11-27 19:50:33,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:33,178 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:50:33,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33 WrapperNode [2024-11-27 19:50:33,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:33,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:33,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:50:33,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:50:33,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:33,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:33,484 INFO L138 Inliner]: procedures = 200, calls = 2141, calls flagged for inlining = 74, calls inlined = 52, statements flattened = 3214 [2024-11-27 19:50:33,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:33,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:50:33,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:50:33,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:50:33,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:33,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:33,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:33,739 INFO L175 MemorySlicer]: Split 1031 memory accesses to 17 slices as follows [2, 1, 6, 7, 21, 275, 3, 115, 189, 115, 25, 231, 3, 20, 10, 3, 5]. 27 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 0, 5, 5, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 2, 5]. The 848 writes are split as follows [0, 0, 0, 0, 17, 258, 2, 98, 123, 98, 25, 198, 3, 16, 10, 0, 0]. [2024-11-27 19:50:33,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:33,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:33,893 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:33,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:33,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:33,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:33,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:34,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:50:34,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:50:34,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:50:34,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:50:34,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (1/1) ... [2024-11-27 19:50:34,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:34,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:34,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:34,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc2ec0b-088b-4e83-8e28-5ac1a68cd799/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:50:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-27 19:50:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-27 19:50:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2024-11-27 19:50:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2024-11-27 19:50:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-27 19:50:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-27 19:50:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 19:50:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 19:50:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 19:50:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 19:50:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 19:50:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 19:50:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 19:50:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 19:50:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 19:50:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 19:50:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 19:50:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 19:50:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 19:50:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 19:50:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 19:50:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 19:50:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 19:50:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 19:50:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 19:50:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-27 19:50:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-27 19:50:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-27 19:50:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-27 19:50:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 19:50:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 19:50:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_abituguru_data [2024-11-27 19:50:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_abituguru_data [2024-11-27 19:50:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-27 19:50:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-27 19:50:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-27 19:50:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-27 19:50:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-27 19:50:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-27 19:50:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 19:50:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 19:50:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_resume [2024-11-27 19:50:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_resume [2024-11-27 19:50:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-27 19:50:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-27 19:50:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 19:50:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 19:50:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 19:50:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 19:50:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 19:50:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 19:50:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 19:50:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 19:50:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 19:50:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 19:50:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 19:50:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 19:50:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 19:50:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 19:50:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 19:50:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 19:50:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 19:50:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 19:50:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 19:50:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 19:50:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 19:50:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 19:50:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 19:50:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_abituguru_data [2024-11-27 19:50:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_abituguru_data [2024-11-27 19:50:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-27 19:50:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-27 19:50:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_send_address [2024-11-27 19:50:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_send_address [2024-11-27 19:50:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-27 19:50:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-27 19:50:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 19:50:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 19:50:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 19:50:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 19:50:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 19:50:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 19:50:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 19:50:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 19:50:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 19:50:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 19:50:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 19:50:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 19:50:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 19:50:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 19:50:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 19:50:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 19:50:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 19:50:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_wait [2024-11-27 19:50:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_wait [2024-11-27 19:50:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_remove [2024-11-27 19:50:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_remove [2024-11-27 19:50:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 19:50:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 19:50:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 19:50:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 19:50:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 19:50:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 19:50:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 19:50:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 19:50:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 19:50:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 19:50:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 19:50:34,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 19:50:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 19:50:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 19:50:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 19:50:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 19:50:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 19:50:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-27 19:50:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-27 19:50:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 19:50:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 19:50:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-27 19:50:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-27 19:50:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 19:50:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2024-11-27 19:50:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2024-11-27 19:50:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:50:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_write [2024-11-27 19:50:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_write [2024-11-27 19:50:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 19:50:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 19:50:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 19:50:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 19:50:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 19:50:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 19:50:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 19:50:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 19:50:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 19:50:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 19:50:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 19:50:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 19:50:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 19:50:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 19:50:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 19:50:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 19:50:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 19:50:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_ready [2024-11-27 19:50:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_ready [2024-11-27 19:50:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_suspend [2024-11-27 19:50:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_suspend [2024-11-27 19:50:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_read [2024-11-27 19:50:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_read [2024-11-27 19:50:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_probe [2024-11-27 19:50:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_probe [2024-11-27 19:50:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-27 19:50:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-27 19:50:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-27 19:50:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-27 19:50:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 19:50:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 19:50:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 19:50:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 19:50:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 19:50:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 19:50:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-27 19:50:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:50:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:50:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-27 19:50:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-27 19:50:34,751 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:50:34,757 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:50:34,812 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 19:50:59,632 INFO L? ?]: Removed 665 outVars from TransFormulas that were not future-live. [2024-11-27 19:50:59,633 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:50:59,675 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:50:59,676 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-27 19:50:59,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:59 BoogieIcfgContainer [2024-11-27 19:50:59,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:50:59,682 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:50:59,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:50:59,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:50:59,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:50:30" (1/3) ... [2024-11-27 19:50:59,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b4f232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:59, skipping insertion in model container [2024-11-27 19:50:59,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:33" (2/3) ... [2024-11-27 19:50:59,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b4f232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:59, skipping insertion in model container [2024-11-27 19:50:59,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:59" (3/3) ... [2024-11-27 19:50:59,700 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i [2024-11-27 19:50:59,720 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:50:59,724 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i that has 36 procedures, 849 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-27 19:50:59,837 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:50:59,854 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;@1f67c621, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:50:59,854 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 19:50:59,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 848 states, 628 states have (on average 1.463375796178344) internal successors, (919), 664 states have internal predecessors, (919), 184 states have call successors, (184), 35 states have call predecessors, (184), 34 states have return successors, (180), 178 states have call predecessors, (180), 180 states have call successors, (180) [2024-11-27 19:50:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-27 19:50:59,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:59,879 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:59,879 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:59,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:59,885 INFO L85 PathProgramCache]: Analyzing trace with hash -362447346, now seen corresponding path program 1 times [2024-11-27 19:50:59,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:59,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567490535] [2024-11-27 19:50:59,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:59,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:22,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:22,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567490535] [2024-11-27 19:51:22,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567490535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:22,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:22,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:51:22,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022882080] [2024-11-27 19:51:22,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:22,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:22,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:22,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:22,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:22,203 INFO L87 Difference]: Start difference. First operand has 848 states, 628 states have (on average 1.463375796178344) internal successors, (919), 664 states have internal predecessors, (919), 184 states have call successors, (184), 35 states have call predecessors, (184), 34 states have return successors, (180), 178 states have call predecessors, (180), 180 states have call successors, (180) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 19:51:26,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 19:51:27,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:27,369 INFO L93 Difference]: Finished difference Result 2463 states and 3771 transitions. [2024-11-27 19:51:27,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:27,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-27 19:51:27,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:27,409 INFO L225 Difference]: With dead ends: 2463 [2024-11-27 19:51:27,409 INFO L226 Difference]: Without dead ends: 1604 [2024-11-27 19:51:27,424 INFO L434 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 [2024-11-27 19:51:27,430 INFO L435 NwaCegarLoop]: 2152 mSDtfsCounter, 1236 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 3337 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:27,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 3337 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-27 19:51:27,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2024-11-27 19:51:27,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1600. [2024-11-27 19:51:27,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 1192 states have (on average 1.455536912751678) internal successors, (1735), 1247 states have internal predecessors, (1735), 341 states have call successors, (341), 67 states have call predecessors, (341), 66 states have return successors, (336), 332 states have call predecessors, (336), 336 states have call successors, (336) [2024-11-27 19:51:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2412 transitions. [2024-11-27 19:51:27,726 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2412 transitions. Word has length 21 [2024-11-27 19:51:27,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:27,729 INFO L471 AbstractCegarLoop]: Abstraction has 1600 states and 2412 transitions. [2024-11-27 19:51:27,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 19:51:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2412 transitions. [2024-11-27 19:51:27,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-27 19:51:27,732 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:27,733 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:27,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:51:27,737 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:27,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:27,738 INFO L85 PathProgramCache]: Analyzing trace with hash -455175680, now seen corresponding path program 1 times [2024-11-27 19:51:27,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:27,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224953420] [2024-11-27 19:51:27,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:27,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:46,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:46,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:46,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224953420] [2024-11-27 19:51:46,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224953420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:46,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:46,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:51:46,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308272802] [2024-11-27 19:51:46,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:46,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:46,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:46,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:46,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:46,505 INFO L87 Difference]: Start difference. First operand 1600 states and 2412 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 19:51:47,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:47,630 INFO L93 Difference]: Finished difference Result 4533 states and 6830 transitions. [2024-11-27 19:51:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:47,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-27 19:51:47,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:47,658 INFO L225 Difference]: With dead ends: 4533 [2024-11-27 19:51:47,658 INFO L226 Difference]: Without dead ends: 2936 [2024-11-27 19:51:47,666 INFO L434 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 [2024-11-27 19:51:47,667 INFO L435 NwaCegarLoop]: 1298 mSDtfsCounter, 1053 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 2491 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:47,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 2491 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 19:51:47,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2936 states. [2024-11-27 19:51:47,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2936 to 2919. [2024-11-27 19:51:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2919 states, 2154 states have (on average 1.4447539461467038) internal successors, (3112), 2260 states have internal predecessors, (3112), 647 states have call successors, (647), 118 states have call predecessors, (647), 117 states have return successors, (642), 634 states have call predecessors, (642), 642 states have call successors, (642) [2024-11-27 19:51:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 4401 transitions. [2024-11-27 19:51:47,853 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 4401 transitions. Word has length 26 [2024-11-27 19:51:47,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:47,854 INFO L471 AbstractCegarLoop]: Abstraction has 2919 states and 4401 transitions. [2024-11-27 19:51:47,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 19:51:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 4401 transitions. [2024-11-27 19:51:47,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 19:51:47,858 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:47,858 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:47,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:51:47,858 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:47,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:47,859 INFO L85 PathProgramCache]: Analyzing trace with hash -916445272, now seen corresponding path program 1 times [2024-11-27 19:51:47,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:47,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149448389] [2024-11-27 19:51:47,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:47,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:06,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:52:06,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:06,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149448389] [2024-11-27 19:52:06,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149448389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:06,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:06,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:52:06,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055286749] [2024-11-27 19:52:06,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:06,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:52:06,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:06,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:52:06,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:52:06,840 INFO L87 Difference]: Start difference. First operand 2919 states and 4401 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 19:52:06,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:06,954 INFO L93 Difference]: Finished difference Result 2921 states and 4402 transitions. [2024-11-27 19:52:06,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:52:06,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-27 19:52:06,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:06,983 INFO L225 Difference]: With dead ends: 2921 [2024-11-27 19:52:06,984 INFO L226 Difference]: Without dead ends: 2918 [2024-11-27 19:52:06,986 INFO L434 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 [2024-11-27 19:52:06,988 INFO L435 NwaCegarLoop]: 1256 mSDtfsCounter, 1239 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:06,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 1256 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:52:06,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2024-11-27 19:52:07,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2918. [2024-11-27 19:52:07,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2154 states have (on average 1.4442896935933147) internal successors, (3111), 2259 states have internal predecessors, (3111), 646 states have call successors, (646), 118 states have call predecessors, (646), 117 states have return successors, (642), 634 states have call predecessors, (642), 642 states have call successors, (642) [2024-11-27 19:52:07,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 4399 transitions. [2024-11-27 19:52:07,187 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 4399 transitions. Word has length 25 [2024-11-27 19:52:07,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:07,187 INFO L471 AbstractCegarLoop]: Abstraction has 2918 states and 4399 transitions. [2024-11-27 19:52:07,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 19:52:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 4399 transitions. [2024-11-27 19:52:07,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-27 19:52:07,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:07,193 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:07,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:52:07,193 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:07,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:07,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1654767962, now seen corresponding path program 1 times [2024-11-27 19:52:07,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:07,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337835769] [2024-11-27 19:52:07,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:07,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:52:23,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:23,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337835769] [2024-11-27 19:52:23,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337835769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:23,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:23,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:52:23,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257300242] [2024-11-27 19:52:23,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:23,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:52:23,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:23,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:52:23,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:52:23,878 INFO L87 Difference]: Start difference. First operand 2918 states and 4399 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 19:52:24,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:24,121 INFO L93 Difference]: Finished difference Result 2920 states and 4400 transitions. [2024-11-27 19:52:24,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:52:24,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-27 19:52:24,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:24,148 INFO L225 Difference]: With dead ends: 2920 [2024-11-27 19:52:24,149 INFO L226 Difference]: Without dead ends: 2917 [2024-11-27 19:52:24,152 INFO L434 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 [2024-11-27 19:52:24,153 INFO L435 NwaCegarLoop]: 1254 mSDtfsCounter, 1236 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:24,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 1254 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:52:24,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2024-11-27 19:52:24,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 2917. [2024-11-27 19:52:24,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2154 states have (on average 1.4438254410399258) internal successors, (3110), 2258 states have internal predecessors, (3110), 645 states have call successors, (645), 118 states have call predecessors, (645), 117 states have return successors, (642), 634 states have call predecessors, (642), 642 states have call successors, (642) [2024-11-27 19:52:24,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 4397 transitions. [2024-11-27 19:52:24,368 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 4397 transitions. Word has length 26 [2024-11-27 19:52:24,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:24,369 INFO L471 AbstractCegarLoop]: Abstraction has 2917 states and 4397 transitions. [2024-11-27 19:52:24,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 19:52:24,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 4397 transitions. [2024-11-27 19:52:24,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-27 19:52:24,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:24,371 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:24,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:52:24,372 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:24,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:24,372 INFO L85 PathProgramCache]: Analyzing trace with hash -241995541, now seen corresponding path program 1 times [2024-11-27 19:52:24,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:24,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271796479] [2024-11-27 19:52:24,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:24,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:52:41,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:41,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271796479] [2024-11-27 19:52:41,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271796479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:41,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:41,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:52:41,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355697820] [2024-11-27 19:52:41,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:41,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:52:41,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:41,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:52:41,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:52:41,463 INFO L87 Difference]: Start difference. First operand 2917 states and 4397 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 19:52:41,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:41,855 INFO L93 Difference]: Finished difference Result 8679 states and 13115 transitions. [2024-11-27 19:52:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:52:41,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-27 19:52:41,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:41,905 INFO L225 Difference]: With dead ends: 8679 [2024-11-27 19:52:41,905 INFO L226 Difference]: Without dead ends: 5753 [2024-11-27 19:52:41,925 INFO L434 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 [2024-11-27 19:52:41,926 INFO L435 NwaCegarLoop]: 1253 mSDtfsCounter, 1208 mSDsluCounter, 1225 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 2478 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:41,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 2478 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:52:41,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5753 states. [2024-11-27 19:52:42,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5753 to 5744. [2024-11-27 19:52:42,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5744 states, 4241 states have (on average 1.445885404385758) internal successors, (6132), 4456 states have internal predecessors, (6132), 1281 states have call successors, (1281), 229 states have call predecessors, (1281), 221 states have return successors, (1271), 1246 states have call predecessors, (1271), 1271 states have call successors, (1271) [2024-11-27 19:52:42,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5744 states to 5744 states and 8684 transitions. [2024-11-27 19:52:42,360 INFO L78 Accepts]: Start accepts. Automaton has 5744 states and 8684 transitions. Word has length 27 [2024-11-27 19:52:42,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:42,360 INFO L471 AbstractCegarLoop]: Abstraction has 5744 states and 8684 transitions. [2024-11-27 19:52:42,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 19:52:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 5744 states and 8684 transitions. [2024-11-27 19:52:42,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-27 19:52:42,368 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:42,368 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 19:52:42,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:52:42,368 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:42,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:42,369 INFO L85 PathProgramCache]: Analyzing trace with hash -858447093, now seen corresponding path program 1 times [2024-11-27 19:52:42,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:42,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171236041] [2024-11-27 19:52:42,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:42,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:00,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:00,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:00,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171236041] [2024-11-27 19:53:00,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171236041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:53:00,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:53:00,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:53:00,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317038456] [2024-11-27 19:53:00,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:53:00,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:53:00,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:00,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:53:00,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:53:00,995 INFO L87 Difference]: Start difference. First operand 5744 states and 8684 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 19:53:05,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 19:53:06,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:06,264 INFO L93 Difference]: Finished difference Result 11500 states and 17381 transitions. [2024-11-27 19:53:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:53:06,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2024-11-27 19:53:06,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:06,318 INFO L225 Difference]: With dead ends: 11500 [2024-11-27 19:53:06,319 INFO L226 Difference]: Without dead ends: 5755 [2024-11-27 19:53:06,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:53:06,351 INFO L435 NwaCegarLoop]: 1259 mSDtfsCounter, 7 mSDsluCounter, 2502 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3761 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:06,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3761 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-27 19:53:06,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5755 states. [2024-11-27 19:53:06,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5755 to 5746. [2024-11-27 19:53:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5746 states, 4243 states have (on average 1.4447325005892058) internal successors, (6130), 4458 states have internal predecessors, (6130), 1281 states have call successors, (1281), 229 states have call predecessors, (1281), 221 states have return successors, (1271), 1246 states have call predecessors, (1271), 1271 states have call successors, (1271) [2024-11-27 19:53:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5746 states to 5746 states and 8682 transitions. [2024-11-27 19:53:06,796 INFO L78 Accepts]: Start accepts. Automaton has 5746 states and 8682 transitions. Word has length 73 [2024-11-27 19:53:06,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:06,798 INFO L471 AbstractCegarLoop]: Abstraction has 5746 states and 8682 transitions. [2024-11-27 19:53:06,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 19:53:06,799 INFO L276 IsEmpty]: Start isEmpty. Operand 5746 states and 8682 transitions. [2024-11-27 19:53:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 19:53:06,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:06,814 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:53:06,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 19:53:06,815 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:53:06,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:06,815 INFO L85 PathProgramCache]: Analyzing trace with hash -749943660, now seen corresponding path program 1 times [2024-11-27 19:53:06,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:06,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139758155] [2024-11-27 19:53:06,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:06,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:28,646 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-27 19:53:28,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:28,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139758155] [2024-11-27 19:53:28,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139758155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:53:28,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:53:28,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:53:28,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000535949] [2024-11-27 19:53:28,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:53:28,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:53:28,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:28,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:53:28,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:53:28,651 INFO L87 Difference]: Start difference. First operand 5746 states and 8682 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 19:53:29,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:29,220 INFO L93 Difference]: Finished difference Result 11569 states and 17469 transitions. [2024-11-27 19:53:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:53:29,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 104 [2024-11-27 19:53:29,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:29,283 INFO L225 Difference]: With dead ends: 11569 [2024-11-27 19:53:29,283 INFO L226 Difference]: Without dead ends: 5826 [2024-11-27 19:53:29,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:53:29,314 INFO L435 NwaCegarLoop]: 1255 mSDtfsCounter, 15 mSDsluCounter, 2499 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:29,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3754 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:53:29,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5826 states. [2024-11-27 19:53:29,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5826 to 5754. [2024-11-27 19:53:29,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5754 states, 4251 states have (on average 1.443895553987297) internal successors, (6138), 4466 states have internal predecessors, (6138), 1281 states have call successors, (1281), 229 states have call predecessors, (1281), 221 states have return successors, (1271), 1246 states have call predecessors, (1271), 1271 states have call successors, (1271) [2024-11-27 19:53:29,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5754 states to 5754 states and 8690 transitions. [2024-11-27 19:53:29,772 INFO L78 Accepts]: Start accepts. Automaton has 5754 states and 8690 transitions. Word has length 104 [2024-11-27 19:53:29,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:29,773 INFO L471 AbstractCegarLoop]: Abstraction has 5754 states and 8690 transitions. [2024-11-27 19:53:29,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 19:53:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 5754 states and 8690 transitions. [2024-11-27 19:53:29,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 19:53:29,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:29,782 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:53:29,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:53:29,782 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:53:29,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:29,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1959721568, now seen corresponding path program 1 times [2024-11-27 19:53:29,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:29,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625669051] [2024-11-27 19:53:29,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:29,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-27 19:53:50,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:50,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625669051] [2024-11-27 19:53:50,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625669051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:53:50,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:53:50,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:53:50,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272232609] [2024-11-27 19:53:50,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:53:50,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:53:50,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:50,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:53:50,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:53:50,502 INFO L87 Difference]: Start difference. First operand 5754 states and 8690 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-27 19:53:52,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:52,682 INFO L93 Difference]: Finished difference Result 11473 states and 17481 transitions. [2024-11-27 19:53:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:53:52,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 102 [2024-11-27 19:53:52,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:52,728 INFO L225 Difference]: With dead ends: 11473 [2024-11-27 19:53:52,728 INFO L226 Difference]: Without dead ends: 5722 [2024-11-27 19:53:52,760 INFO L434 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 [2024-11-27 19:53:52,761 INFO L435 NwaCegarLoop]: 1182 mSDtfsCounter, 1196 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 1182 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:52,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 1182 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-27 19:53:52,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5722 states. [2024-11-27 19:53:53,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5722 to 5722. [2024-11-27 19:53:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5722 states, 4235 states have (on average 1.3841794569067296) internal successors, (5862), 4442 states have internal predecessors, (5862), 1265 states have call successors, (1265), 229 states have call predecessors, (1265), 221 states have return successors, (1255), 1230 states have call predecessors, (1255), 1255 states have call successors, (1255) [2024-11-27 19:53:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5722 states to 5722 states and 8382 transitions. [2024-11-27 19:53:53,340 INFO L78 Accepts]: Start accepts. Automaton has 5722 states and 8382 transitions. Word has length 102 [2024-11-27 19:53:53,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:53,342 INFO L471 AbstractCegarLoop]: Abstraction has 5722 states and 8382 transitions. [2024-11-27 19:53:53,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-27 19:53:53,343 INFO L276 IsEmpty]: Start isEmpty. Operand 5722 states and 8382 transitions. [2024-11-27 19:53:53,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-27 19:53:53,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:53,353 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:53:53,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 19:53:53,354 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:53:53,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:53,355 INFO L85 PathProgramCache]: Analyzing trace with hash -2031516797, now seen corresponding path program 1 times [2024-11-27 19:53:53,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:53,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938739726] [2024-11-27 19:53:53,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:53,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-27 19:54:15,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:54:15,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938739726] [2024-11-27 19:54:15,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938739726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:54:15,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:54:15,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:54:15,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686162165] [2024-11-27 19:54:15,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:54:15,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:54:15,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:54:15,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:54:15,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:54:15,154 INFO L87 Difference]: Start difference. First operand 5722 states and 8382 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-27 19:54:19,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 19:54:20,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:54:20,493 INFO L93 Difference]: Finished difference Result 17134 states and 25102 transitions. [2024-11-27 19:54:20,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:54:20,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2024-11-27 19:54:20,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:54:20,598 INFO L225 Difference]: With dead ends: 17134 [2024-11-27 19:54:20,599 INFO L226 Difference]: Without dead ends: 11415 [2024-11-27 19:54:20,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:54:20,631 INFO L435 NwaCegarLoop]: 1333 mSDtfsCounter, 1195 mSDsluCounter, 1208 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 2541 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-27 19:54:20,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 2541 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-27 19:54:20,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11415 states. [2024-11-27 19:54:21,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11415 to 11392. [2024-11-27 19:54:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11392 states, 8429 states have (on average 1.3840313204413335) internal successors, (11666), 8842 states have internal predecessors, (11666), 2521 states have call successors, (2521), 455 states have call predecessors, (2521), 441 states have return successors, (2505), 2454 states have call predecessors, (2505), 2505 states have call successors, (2505) [2024-11-27 19:54:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11392 states to 11392 states and 16692 transitions. [2024-11-27 19:54:21,522 INFO L78 Accepts]: Start accepts. Automaton has 11392 states and 16692 transitions. Word has length 112 [2024-11-27 19:54:21,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:54:21,522 INFO L471 AbstractCegarLoop]: Abstraction has 11392 states and 16692 transitions. [2024-11-27 19:54:21,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-27 19:54:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 11392 states and 16692 transitions. [2024-11-27 19:54:21,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-27 19:54:21,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:21,530 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:54:21,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 19:54:21,532 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:54:21,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:21,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1301157596, now seen corresponding path program 1 times [2024-11-27 19:54:21,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:54:21,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120303066] [2024-11-27 19:54:21,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:21,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-27 19:54:43,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:54:43,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120303066] [2024-11-27 19:54:43,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120303066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:54:43,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:54:43,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:54:43,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087101765] [2024-11-27 19:54:43,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:54:43,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:54:43,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:54:43,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:54:43,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:54:43,265 INFO L87 Difference]: Start difference. First operand 11392 states and 16692 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-27 19:54:47,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 19:54:49,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:54:49,569 INFO L93 Difference]: Finished difference Result 28374 states and 41687 transitions. [2024-11-27 19:54:49,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:54:49,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 114 [2024-11-27 19:54:49,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:54:49,693 INFO L225 Difference]: With dead ends: 28374 [2024-11-27 19:54:49,693 INFO L226 Difference]: Without dead ends: 16985 [2024-11-27 19:54:49,746 INFO L434 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 [2024-11-27 19:54:49,748 INFO L435 NwaCegarLoop]: 1424 mSDtfsCounter, 1067 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 2569 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-27 19:54:49,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 2569 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 82 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-11-27 19:54:49,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16985 states. [2024-11-27 19:54:50,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16985 to 16968. [2024-11-27 19:54:50,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16968 states, 12595 states have (on average 1.3795950774116712) internal successors, (17376), 13204 states have internal predecessors, (17376), 3727 states have call successors, (3727), 659 states have call predecessors, (3727), 645 states have return successors, (3711), 3644 states have call predecessors, (3711), 3711 states have call successors, (3711) [2024-11-27 19:54:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16968 states to 16968 states and 24814 transitions. [2024-11-27 19:54:50,953 INFO L78 Accepts]: Start accepts. Automaton has 16968 states and 24814 transitions. Word has length 114 [2024-11-27 19:54:50,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:54:50,954 INFO L471 AbstractCegarLoop]: Abstraction has 16968 states and 24814 transitions. [2024-11-27 19:54:50,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-27 19:54:50,954 INFO L276 IsEmpty]: Start isEmpty. Operand 16968 states and 24814 transitions. [2024-11-27 19:54:50,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-27 19:54:50,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:50,964 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:54:50,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 19:54:50,964 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:54:50,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:50,965 INFO L85 PathProgramCache]: Analyzing trace with hash -744591574, now seen corresponding path program 1 times [2024-11-27 19:54:50,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:54:50,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770518070] [2024-11-27 19:54:50,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:50,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:55:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 19:55:12,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:12,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770518070] [2024-11-27 19:55:12,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770518070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:55:12,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:55:12,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:55:12,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51543518] [2024-11-27 19:55:12,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:55:12,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:55:12,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:55:12,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:55:12,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:55:12,466 INFO L87 Difference]: Start difference. First operand 16968 states and 24814 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 19:55:16,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 19:55:18,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:55:18,896 INFO L93 Difference]: Finished difference Result 39526 states and 57931 transitions. [2024-11-27 19:55:18,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:55:18,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 130 [2024-11-27 19:55:18,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:55:19,063 INFO L225 Difference]: With dead ends: 39526 [2024-11-27 19:55:19,064 INFO L226 Difference]: Without dead ends: 22561 [2024-11-27 19:55:19,136 INFO L434 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 [2024-11-27 19:55:19,136 INFO L435 NwaCegarLoop]: 2267 mSDtfsCounter, 1099 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 3388 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-27 19:55:19,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 3388 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 82 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-27 19:55:19,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22561 states. [2024-11-27 19:55:20,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22561 to 22544. [2024-11-27 19:55:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22544 states, 16761 states have (on average 1.3773641190859733) internal successors, (23086), 17566 states have internal predecessors, (23086), 4933 states have call successors, (4933), 863 states have call predecessors, (4933), 849 states have return successors, (4917), 4834 states have call predecessors, (4917), 4917 states have call successors, (4917) [2024-11-27 19:55:20,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22544 states to 22544 states and 32936 transitions. [2024-11-27 19:55:20,929 INFO L78 Accepts]: Start accepts. Automaton has 22544 states and 32936 transitions. Word has length 130 [2024-11-27 19:55:20,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:55:20,930 INFO L471 AbstractCegarLoop]: Abstraction has 22544 states and 32936 transitions. [2024-11-27 19:55:20,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 19:55:20,930 INFO L276 IsEmpty]: Start isEmpty. Operand 22544 states and 32936 transitions. [2024-11-27 19:55:20,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-27 19:55:20,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:20,947 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:55:20,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 19:55:20,947 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:55:20,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:20,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1756547960, now seen corresponding path program 1 times [2024-11-27 19:55:20,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:20,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232397445] [2024-11-27 19:55:20,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:20,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms