./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/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_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-23 18:35:32,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:35:32,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 18:35:32,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:35:32,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:35:32,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:35:32,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:35:32,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:35:32,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:35:32,673 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:35:32,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:35:32,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:35:32,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:35:32,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:35:32,674 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:35:32,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:35:32,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:35:32,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:35:32,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:35:32,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:35:32,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:35:32,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:35:32,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:35:32,676 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:35:32,676 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:35:32,676 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:35:32,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:35:32,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:35:32,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:35:32,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:35:32,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:35:32,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:35:32,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:35:32,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:35:32,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:35:32,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:35:32,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:35:32,678 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:35:32,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:35:32,679 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:35:32,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:35:32,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:35:32,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:35:32,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:35:32,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:35:32,680 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_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-23 18:35:33,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:35:33,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:35:33,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:35:33,059 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:35:33,059 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:35:33,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i [2024-11-23 18:35:36,171 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/data/97af15659/99dda7d70a264facb74349a64137cbdd/FLAGd07efc5a9 [2024-11-23 18:35:36,896 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:35:36,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i [2024-11-23 18:35:36,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/data/97af15659/99dda7d70a264facb74349a64137cbdd/FLAGd07efc5a9 [2024-11-23 18:35:36,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/data/97af15659/99dda7d70a264facb74349a64137cbdd [2024-11-23 18:35:36,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:35:37,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:35:37,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:35:37,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:35:37,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:35:37,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:35:36" (1/1) ... [2024-11-23 18:35:37,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ca8b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:37, skipping insertion in model container [2024-11-23 18:35:37,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:35:36" (1/1) ... [2024-11-23 18:35:37,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:35:38,861 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_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/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] [2024-11-23 18:35:38,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:35:39,063 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:35:39,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2452] [2024-11-23 18:35:39,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2455] [2024-11-23 18:35:39,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2458] [2024-11-23 18:35:39,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2461] [2024-11-23 18:35:39,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2613] [2024-11-23 18:35:39,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2621] [2024-11-23 18:35:39,227 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] [2024-11-23 18:35:39,229 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] [2024-11-23 18:35:39,230 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] [2024-11-23 18:35:39,230 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] [2024-11-23 18:35:39,261 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] [2024-11-23 18:35:39,261 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] [2024-11-23 18:35:39,262 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] [2024-11-23 18:35:39,262 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] [2024-11-23 18:35:39,302 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] [2024-11-23 18:35:39,306 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] [2024-11-23 18:35:39,306 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] [2024-11-23 18:35:39,309 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] [2024-11-23 18:35:39,527 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_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/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] [2024-11-23 18:35:39,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:35:39,785 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:35:39,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39 WrapperNode [2024-11-23 18:35:39,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:35:39,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:35:39,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:35:39,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:35:39,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:39,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:40,121 INFO L138 Inliner]: procedures = 200, calls = 2141, calls flagged for inlining = 74, calls inlined = 52, statements flattened = 3214 [2024-11-23 18:35:40,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:35:40,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:35:40,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:35:40,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:35:40,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:40,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:40,163 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:40,348 INFO L175 MemorySlicer]: Split 1031 memory accesses to 17 slices as follows [189, 2, 6, 7, 21, 275, 115, 115, 20, 231, 3, 25, 1, 3, 10, 3, 5]. 27 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [5, 2, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 5]. The 848 writes are split as follows [123, 0, 0, 0, 17, 258, 98, 98, 16, 198, 2, 25, 0, 3, 10, 0, 0]. [2024-11-23 18:35:40,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:40,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:40,478 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:40,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:40,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:40,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:40,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:40,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:35:40,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:35:40,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:35:40,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:35:40,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (1/1) ... [2024-11-23 18:35:40,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:35:40,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:35:40,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:35:40,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb3c06b-4b0e-4b1a-9877-687b2d3353e8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:35:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-23 18:35:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-23 18:35:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2024-11-23 18:35:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2024-11-23 18:35:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-23 18:35:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-23 18:35:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 18:35:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 18:35:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 18:35:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 18:35:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 18:35:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 18:35:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 18:35:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 18:35:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 18:35:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 18:35:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 18:35:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 18:35:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 18:35:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 18:35:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 18:35:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 18:35:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 18:35:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 18:35:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 18:35:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 18:35:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 18:35:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-23 18:35:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-23 18:35:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 18:35:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 18:35:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_abituguru_data [2024-11-23 18:35:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_abituguru_data [2024-11-23 18:35:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 18:35:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 18:35:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 18:35:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 18:35:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-23 18:35:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-23 18:35:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:35:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:35:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_resume [2024-11-23 18:35:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_resume [2024-11-23 18:35:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-23 18:35:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-23 18:35:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 18:35:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 18:35:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 18:35:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 18:35:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 18:35:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 18:35:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 18:35:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 18:35:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 18:35:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 18:35:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 18:35:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 18:35:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 18:35:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 18:35:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 18:35:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 18:35:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 18:35:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 18:35:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-23 18:35:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-23 18:35:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 18:35:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 18:35:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 18:35:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_abituguru_data [2024-11-23 18:35:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_abituguru_data [2024-11-23 18:35:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-23 18:35:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-23 18:35:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_send_address [2024-11-23 18:35:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_send_address [2024-11-23 18:35:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-23 18:35:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-23 18:35:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 18:35:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 18:35:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 18:35:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 18:35:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 18:35:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 18:35:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 18:35:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 18:35:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 18:35:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 18:35:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 18:35:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 18:35:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 18:35:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 18:35:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 18:35:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 18:35:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 18:35:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 18:35:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 18:35:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 18:35:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 18:35:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 18:35:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 18:35:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 18:35:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 18:35:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 18:35:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 18:35:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 18:35:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 18:35:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 18:35:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 18:35:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_wait [2024-11-23 18:35:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_wait [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_remove [2024-11-23 18:35:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_remove [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 18:35:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 18:35:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 18:35:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 18:35:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 18:35:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 18:35:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 18:35:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-23 18:35:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-23 18:35:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 18:35:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 18:35:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-23 18:35:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-23 18:35:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 18:35:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2024-11-23 18:35:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2024-11-23 18:35:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:35:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_write [2024-11-23 18:35:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_write [2024-11-23 18:35:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 18:35:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 18:35:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 18:35:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 18:35:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 18:35:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 18:35:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 18:35:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 18:35:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 18:35:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 18:35:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 18:35:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 18:35:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 18:35:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 18:35:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 18:35:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 18:35:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 18:35:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_ready [2024-11-23 18:35:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_ready [2024-11-23 18:35:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_suspend [2024-11-23 18:35:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_suspend [2024-11-23 18:35:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_read [2024-11-23 18:35:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_read [2024-11-23 18:35:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_probe [2024-11-23 18:35:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_probe [2024-11-23 18:35:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-23 18:35:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-23 18:35:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-23 18:35:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-23 18:35:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:35:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 18:35:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 18:35:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 18:35:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 18:35:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 18:35:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 18:35:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 18:35:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 18:35:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 18:35:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 18:35:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 18:35:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 18:35:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 18:35:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 18:35:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 18:35:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 18:35:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-23 18:35:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-23 18:35:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:35:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:35:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-23 18:35:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-23 18:35:41,340 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:35:41,343 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:35:41,412 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 18:36:03,329 INFO L? ?]: Removed 665 outVars from TransFormulas that were not future-live. [2024-11-23 18:36:03,329 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:36:03,380 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:36:03,384 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-23 18:36:03,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:36:03 BoogieIcfgContainer [2024-11-23 18:36:03,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:36:03,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:36:03,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:36:03,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:36:03,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:35:36" (1/3) ... [2024-11-23 18:36:03,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18774aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:36:03, skipping insertion in model container [2024-11-23 18:36:03,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39" (2/3) ... [2024-11-23 18:36:03,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18774aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:36:03, skipping insertion in model container [2024-11-23 18:36:03,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:36:03" (3/3) ... [2024-11-23 18:36:03,399 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i [2024-11-23 18:36:03,420 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:36:03,423 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. [2024-11-23 18:36:03,549 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:36:03,567 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;@25d3ea88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:36:03,569 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:36:03,580 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) [2024-11-23 18:36:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-23 18:36:03,590 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:03,591 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] [2024-11-23 18:36:03,591 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:03,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:03,597 INFO L85 PathProgramCache]: Analyzing trace with hash -362447346, now seen corresponding path program 1 times [2024-11-23 18:36:03,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:03,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585341303] [2024-11-23 18:36:03,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:03,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:36:27,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:36:27,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585341303] [2024-11-23 18:36:27,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585341303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:27,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:27,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:36:27,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604717965] [2024-11-23 18:36:27,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:27,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:36:27,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:27,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:36:27,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:36:27,206 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) [2024-11-23 18:36:31,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:36:32,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:32,445 INFO L93 Difference]: Finished difference Result 2463 states and 3771 transitions. [2024-11-23 18:36:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:36:32,449 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 [2024-11-23 18:36:32,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:32,493 INFO L225 Difference]: With dead ends: 2463 [2024-11-23 18:36:32,493 INFO L226 Difference]: Without dead ends: 1604 [2024-11-23 18:36:32,508 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 [2024-11-23 18:36:32,514 INFO L435 NwaCegarLoop]: 2152 mSDtfsCounter, 1236 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 3337 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:32,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 3337 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-23 18:36:32,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2024-11-23 18:36:32,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1600. [2024-11-23 18:36:32,728 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) [2024-11-23 18:36:32,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2412 transitions. [2024-11-23 18:36:32,754 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2412 transitions. Word has length 21 [2024-11-23 18:36:32,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:32,755 INFO L471 AbstractCegarLoop]: Abstraction has 1600 states and 2412 transitions. [2024-11-23 18:36:32,755 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) [2024-11-23 18:36:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2412 transitions. [2024-11-23 18:36:32,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-23 18:36:32,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:32,761 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] [2024-11-23 18:36:32,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:36:32,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:32,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:32,762 INFO L85 PathProgramCache]: Analyzing trace with hash -455175680, now seen corresponding path program 1 times [2024-11-23 18:36:32,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:32,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414247997] [2024-11-23 18:36:32,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:32,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:36:54,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:36:54,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414247997] [2024-11-23 18:36:54,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414247997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:54,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:54,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:36:54,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418805529] [2024-11-23 18:36:54,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:54,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:36:54,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:54,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:36:54,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:36:54,301 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) [2024-11-23 18:36:55,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:55,379 INFO L93 Difference]: Finished difference Result 4533 states and 6830 transitions. [2024-11-23 18:36:55,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:36:55,380 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 [2024-11-23 18:36:55,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:55,405 INFO L225 Difference]: With dead ends: 4533 [2024-11-23 18:36:55,406 INFO L226 Difference]: Without dead ends: 2936 [2024-11-23 18:36:55,413 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 [2024-11-23 18:36:55,415 INFO L435 NwaCegarLoop]: 1298 mSDtfsCounter, 1053 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:55,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 2491 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 18:36:55,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2936 states. [2024-11-23 18:36:55,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2936 to 2919. [2024-11-23 18:36:55,574 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) [2024-11-23 18:36:55,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 4401 transitions. [2024-11-23 18:36:55,598 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 4401 transitions. Word has length 26 [2024-11-23 18:36:55,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:55,599 INFO L471 AbstractCegarLoop]: Abstraction has 2919 states and 4401 transitions. [2024-11-23 18:36:55,599 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) [2024-11-23 18:36:55,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 4401 transitions. [2024-11-23 18:36:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-23 18:36:55,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:55,601 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] [2024-11-23 18:36:55,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:36:55,601 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:55,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:55,602 INFO L85 PathProgramCache]: Analyzing trace with hash -916445272, now seen corresponding path program 1 times [2024-11-23 18:36:55,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:55,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040559389] [2024-11-23 18:36:55,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:55,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:37:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:37:14,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:37:14,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040559389] [2024-11-23 18:37:14,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040559389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:37:14,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:37:14,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:37:14,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347602717] [2024-11-23 18:37:14,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:37:14,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:37:14,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:37:14,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:37:14,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:37:14,403 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) [2024-11-23 18:37:14,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:14,525 INFO L93 Difference]: Finished difference Result 2921 states and 4402 transitions. [2024-11-23 18:37:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:37:14,526 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 [2024-11-23 18:37:14,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:14,549 INFO L225 Difference]: With dead ends: 2921 [2024-11-23 18:37:14,549 INFO L226 Difference]: Without dead ends: 2918 [2024-11-23 18:37:14,551 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 [2024-11-23 18:37:14,557 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 [2024-11-23 18:37:14,557 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] [2024-11-23 18:37:14,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2024-11-23 18:37:14,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2918. [2024-11-23 18:37:14,711 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) [2024-11-23 18:37:14,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 4399 transitions. [2024-11-23 18:37:14,738 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 4399 transitions. Word has length 25 [2024-11-23 18:37:14,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:14,739 INFO L471 AbstractCegarLoop]: Abstraction has 2918 states and 4399 transitions. [2024-11-23 18:37:14,739 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) [2024-11-23 18:37:14,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 4399 transitions. [2024-11-23 18:37:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-23 18:37:14,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:14,742 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] [2024-11-23 18:37:14,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:37:14,743 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:14,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:14,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1654767962, now seen corresponding path program 1 times [2024-11-23 18:37:14,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:37:14,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812311832] [2024-11-23 18:37:14,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:14,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:37:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:36,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:37:36,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:37:36,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812311832] [2024-11-23 18:37:36,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812311832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:37:36,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:37:36,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:37:36,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488693034] [2024-11-23 18:37:36,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:37:36,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:37:36,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:37:36,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:37:36,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:37:36,407 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) [2024-11-23 18:37:36,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:36,556 INFO L93 Difference]: Finished difference Result 2920 states and 4400 transitions. [2024-11-23 18:37:36,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:37:36,558 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 [2024-11-23 18:37:36,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:36,583 INFO L225 Difference]: With dead ends: 2920 [2024-11-23 18:37:36,584 INFO L226 Difference]: Without dead ends: 2917 [2024-11-23 18:37:36,590 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 [2024-11-23 18:37:36,591 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 [2024-11-23 18:37:36,592 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] [2024-11-23 18:37:36,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2024-11-23 18:37:36,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 2917. [2024-11-23 18:37:36,767 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) [2024-11-23 18:37:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 4397 transitions. [2024-11-23 18:37:36,787 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 4397 transitions. Word has length 26 [2024-11-23 18:37:36,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:36,792 INFO L471 AbstractCegarLoop]: Abstraction has 2917 states and 4397 transitions. [2024-11-23 18:37:36,792 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) [2024-11-23 18:37:36,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 4397 transitions. [2024-11-23 18:37:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-23 18:37:36,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:36,794 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] [2024-11-23 18:37:36,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:37:36,794 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:36,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:36,794 INFO L85 PathProgramCache]: Analyzing trace with hash -241995541, now seen corresponding path program 1 times [2024-11-23 18:37:36,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:37:36,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032067885] [2024-11-23 18:37:36,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:36,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:37:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:37:55,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:37:55,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032067885] [2024-11-23 18:37:55,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032067885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:37:55,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:37:55,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:37:55,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222038281] [2024-11-23 18:37:55,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:37:55,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:37:55,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:37:55,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:37:55,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:37:55,627 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) [2024-11-23 18:37:56,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:56,013 INFO L93 Difference]: Finished difference Result 8679 states and 13115 transitions. [2024-11-23 18:37:56,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:37:56,014 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 [2024-11-23 18:37:56,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:56,059 INFO L225 Difference]: With dead ends: 8679 [2024-11-23 18:37:56,059 INFO L226 Difference]: Without dead ends: 5753 [2024-11-23 18:37:56,075 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 [2024-11-23 18:37:56,077 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 [2024-11-23 18:37:56,077 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] [2024-11-23 18:37:56,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5753 states. [2024-11-23 18:37:56,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5753 to 5744. [2024-11-23 18:37:56,451 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) [2024-11-23 18:37:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5744 states to 5744 states and 8684 transitions. [2024-11-23 18:37:56,498 INFO L78 Accepts]: Start accepts. Automaton has 5744 states and 8684 transitions. Word has length 27 [2024-11-23 18:37:56,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:56,498 INFO L471 AbstractCegarLoop]: Abstraction has 5744 states and 8684 transitions. [2024-11-23 18:37:56,498 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) [2024-11-23 18:37:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 5744 states and 8684 transitions. [2024-11-23 18:37:56,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-23 18:37:56,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:56,505 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] [2024-11-23 18:37:56,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:37:56,506 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:56,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:56,506 INFO L85 PathProgramCache]: Analyzing trace with hash -858447093, now seen corresponding path program 1 times [2024-11-23 18:37:56,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:37:56,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100927369] [2024-11-23 18:37:56,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:56,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:38:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:38:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:38:17,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:38:17,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100927369] [2024-11-23 18:38:17,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100927369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:38:17,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:38:17,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:38:17,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67851993] [2024-11-23 18:38:17,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:38:17,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:38:17,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:38:17,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:38:17,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:38:17,026 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) [2024-11-23 18:38:21,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:38:22,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:38:22,436 INFO L93 Difference]: Finished difference Result 11500 states and 17381 transitions. [2024-11-23 18:38:22,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:38:22,437 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 [2024-11-23 18:38:22,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:38:22,478 INFO L225 Difference]: With dead ends: 11500 [2024-11-23 18:38:22,479 INFO L226 Difference]: Without dead ends: 5755 [2024-11-23 18:38:22,506 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 [2024-11-23 18:38:22,507 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, 5.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:38:22,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3761 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-23 18:38:22,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5755 states. [2024-11-23 18:38:22,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5755 to 5746. [2024-11-23 18:38:22,841 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) [2024-11-23 18:38:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5746 states to 5746 states and 8682 transitions. [2024-11-23 18:38:22,883 INFO L78 Accepts]: Start accepts. Automaton has 5746 states and 8682 transitions. Word has length 73 [2024-11-23 18:38:22,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:38:22,885 INFO L471 AbstractCegarLoop]: Abstraction has 5746 states and 8682 transitions. [2024-11-23 18:38:22,886 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) [2024-11-23 18:38:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 5746 states and 8682 transitions. [2024-11-23 18:38:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 18:38:22,895 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:38:22,895 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] [2024-11-23 18:38:22,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:38:22,896 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:38:22,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:38:22,896 INFO L85 PathProgramCache]: Analyzing trace with hash -749943660, now seen corresponding path program 1 times [2024-11-23 18:38:22,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:38:22,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113927217] [2024-11-23 18:38:22,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:38:22,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:38:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:38:44,018 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 18:38:44,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:38:44,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113927217] [2024-11-23 18:38:44,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113927217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:38:44,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:38:44,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:38:44,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837707632] [2024-11-23 18:38:44,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:38:44,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:38:44,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:38:44,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:38:44,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:38:44,023 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) [2024-11-23 18:38:44,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:38:44,709 INFO L93 Difference]: Finished difference Result 11569 states and 17469 transitions. [2024-11-23 18:38:44,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:38:44,710 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 [2024-11-23 18:38:44,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:38:44,762 INFO L225 Difference]: With dead ends: 11569 [2024-11-23 18:38:44,763 INFO L226 Difference]: Without dead ends: 5826 [2024-11-23 18:38:44,786 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 [2024-11-23 18:38:44,788 INFO L435 NwaCegarLoop]: 1255 mSDtfsCounter, 15 mSDsluCounter, 2499 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:38:44,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3754 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 18:38:44,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5826 states. [2024-11-23 18:38:45,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5826 to 5754. [2024-11-23 18:38:45,418 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) [2024-11-23 18:38:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5754 states to 5754 states and 8690 transitions. [2024-11-23 18:38:45,460 INFO L78 Accepts]: Start accepts. Automaton has 5754 states and 8690 transitions. Word has length 104 [2024-11-23 18:38:45,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:38:45,464 INFO L471 AbstractCegarLoop]: Abstraction has 5754 states and 8690 transitions. [2024-11-23 18:38:45,464 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) [2024-11-23 18:38:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand 5754 states and 8690 transitions. [2024-11-23 18:38:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-23 18:38:45,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:38:45,470 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] [2024-11-23 18:38:45,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:38:45,470 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:38:45,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:38:45,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1959721568, now seen corresponding path program 1 times [2024-11-23 18:38:45,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:38:45,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575206089] [2024-11-23 18:38:45,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:38:45,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:39:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:39:06,710 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 18:39:06,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:39:06,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575206089] [2024-11-23 18:39:06,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575206089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:39:06,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:39:06,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:39:06,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693344117] [2024-11-23 18:39:06,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:39:06,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:39:06,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:39:06,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:39:06,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:39:06,716 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) [2024-11-23 18:39:08,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:39:08,539 INFO L93 Difference]: Finished difference Result 11473 states and 17481 transitions. [2024-11-23 18:39:08,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:39:08,541 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 [2024-11-23 18:39:08,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:39:08,581 INFO L225 Difference]: With dead ends: 11473 [2024-11-23 18:39:08,581 INFO L226 Difference]: Without dead ends: 5722 [2024-11-23 18:39:08,616 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 [2024-11-23 18:39:08,617 INFO L435 NwaCegarLoop]: 1182 mSDtfsCounter, 1196 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:39:08,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 1182 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 18:39:08,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5722 states. [2024-11-23 18:39:08,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5722 to 5722. [2024-11-23 18:39:08,928 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) [2024-11-23 18:39:08,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5722 states to 5722 states and 8382 transitions. [2024-11-23 18:39:08,963 INFO L78 Accepts]: Start accepts. Automaton has 5722 states and 8382 transitions. Word has length 102 [2024-11-23 18:39:08,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:39:08,965 INFO L471 AbstractCegarLoop]: Abstraction has 5722 states and 8382 transitions. [2024-11-23 18:39:08,965 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) [2024-11-23 18:39:08,965 INFO L276 IsEmpty]: Start isEmpty. Operand 5722 states and 8382 transitions. [2024-11-23 18:39:08,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-23 18:39:08,972 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:39:08,973 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] [2024-11-23 18:39:08,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:39:08,975 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:39:08,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:39:08,975 INFO L85 PathProgramCache]: Analyzing trace with hash -2031516797, now seen corresponding path program 1 times [2024-11-23 18:39:08,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:39:08,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089913808] [2024-11-23 18:39:08,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:39:08,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:39:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:39:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 18:39:29,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:39:29,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089913808] [2024-11-23 18:39:29,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089913808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:39:29,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:39:29,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:39:29,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367829860] [2024-11-23 18:39:29,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:39:29,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:39:29,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:39:29,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:39:29,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:39:29,922 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) [2024-11-23 18:39:34,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:39:35,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:39:35,209 INFO L93 Difference]: Finished difference Result 17134 states and 25102 transitions. [2024-11-23 18:39:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:39:35,210 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 [2024-11-23 18:39:35,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:39:35,296 INFO L225 Difference]: With dead ends: 17134 [2024-11-23 18:39:35,296 INFO L226 Difference]: Without dead ends: 11415 [2024-11-23 18:39:35,323 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 [2024-11-23 18:39:35,324 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 [2024-11-23 18:39:35,324 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] [2024-11-23 18:39:35,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11415 states. [2024-11-23 18:39:35,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11415 to 11392. [2024-11-23 18:39:36,014 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) [2024-11-23 18:39:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11392 states to 11392 states and 16692 transitions. [2024-11-23 18:39:36,079 INFO L78 Accepts]: Start accepts. Automaton has 11392 states and 16692 transitions. Word has length 112 [2024-11-23 18:39:36,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:39:36,080 INFO L471 AbstractCegarLoop]: Abstraction has 11392 states and 16692 transitions. [2024-11-23 18:39:36,080 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) [2024-11-23 18:39:36,080 INFO L276 IsEmpty]: Start isEmpty. Operand 11392 states and 16692 transitions. [2024-11-23 18:39:36,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-23 18:39:36,086 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:39:36,086 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] [2024-11-23 18:39:36,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:39:36,087 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:39:36,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:39:36,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1301157596, now seen corresponding path program 1 times [2024-11-23 18:39:36,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:39:36,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061704842] [2024-11-23 18:39:36,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:39:36,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:39:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:39:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 18:39:56,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:39:56,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061704842] [2024-11-23 18:39:56,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061704842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:39:56,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:39:56,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:39:56,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906940677] [2024-11-23 18:39:56,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:39:56,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:39:56,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:39:56,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:39:56,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:39:56,565 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) [2024-11-23 18:40:00,705 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 [] [2024-11-23 18:40:03,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:40:03,199 INFO L93 Difference]: Finished difference Result 28374 states and 41687 transitions. [2024-11-23 18:40:03,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:40:03,200 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 [2024-11-23 18:40:03,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:40:03,303 INFO L225 Difference]: With dead ends: 28374 [2024-11-23 18:40:03,303 INFO L226 Difference]: Without dead ends: 16985 [2024-11-23 18:40:03,339 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 [2024-11-23 18:40:03,340 INFO L435 NwaCegarLoop]: 1424 mSDtfsCounter, 1067 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s 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, 5.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:40:03,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 2569 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 82 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-23 18:40:03,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16985 states. [2024-11-23 18:40:04,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16985 to 16968. [2024-11-23 18:40:04,223 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) [2024-11-23 18:40:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16968 states to 16968 states and 24814 transitions. [2024-11-23 18:40:04,317 INFO L78 Accepts]: Start accepts. Automaton has 16968 states and 24814 transitions. Word has length 114 [2024-11-23 18:40:04,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:40:04,318 INFO L471 AbstractCegarLoop]: Abstraction has 16968 states and 24814 transitions. [2024-11-23 18:40:04,319 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) [2024-11-23 18:40:04,319 INFO L276 IsEmpty]: Start isEmpty. Operand 16968 states and 24814 transitions. [2024-11-23 18:40:04,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 18:40:04,330 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:40:04,330 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] [2024-11-23 18:40:04,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 18:40:04,330 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:40:04,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:40:04,331 INFO L85 PathProgramCache]: Analyzing trace with hash -744591574, now seen corresponding path program 1 times [2024-11-23 18:40:04,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:40:04,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437876697] [2024-11-23 18:40:04,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:40:04,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:40:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:40:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-23 18:40:23,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:40:23,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437876697] [2024-11-23 18:40:23,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437876697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:40:23,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:40:23,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:40:23,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331362753] [2024-11-23 18:40:23,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:40:23,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:40:23,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:40:23,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:40:23,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:40:23,620 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) [2024-11-23 18:40:27,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:40:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:40:29,839 INFO L93 Difference]: Finished difference Result 39526 states and 57931 transitions. [2024-11-23 18:40:29,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:40:29,840 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 [2024-11-23 18:40:29,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:40:29,969 INFO L225 Difference]: With dead ends: 39526 [2024-11-23 18:40:29,969 INFO L226 Difference]: Without dead ends: 22561 [2024-11-23 18:40:30,028 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 [2024-11-23 18:40:30,029 INFO L435 NwaCegarLoop]: 2267 mSDtfsCounter, 1099 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s 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, 5.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:40:30,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 3388 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 82 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-11-23 18:40:30,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22561 states. [2024-11-23 18:40:31,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22561 to 22544. [2024-11-23 18:40:31,157 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) [2024-11-23 18:40:31,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22544 states to 22544 states and 32936 transitions. [2024-11-23 18:40:31,279 INFO L78 Accepts]: Start accepts. Automaton has 22544 states and 32936 transitions. Word has length 130 [2024-11-23 18:40:31,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:40:31,280 INFO L471 AbstractCegarLoop]: Abstraction has 22544 states and 32936 transitions. [2024-11-23 18:40:31,280 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) [2024-11-23 18:40:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 22544 states and 32936 transitions. [2024-11-23 18:40:31,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 18:40:31,295 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:40:31,296 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] [2024-11-23 18:40:31,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 18:40:31,296 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:40:31,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:40:31,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1756547960, now seen corresponding path program 1 times [2024-11-23 18:40:31,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:40:31,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903864008] [2024-11-23 18:40:31,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:40:31,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:40:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:40:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-23 18:40:49,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:40:49,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903864008] [2024-11-23 18:40:49,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903864008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:40:49,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:40:49,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:40:49,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194350558] [2024-11-23 18:40:49,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:40:49,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:40:49,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:40:49,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:40:49,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:40:49,571 INFO L87 Difference]: Start difference. First operand 22544 states and 32936 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 18:40:53,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:40:56,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:40:56,133 INFO L93 Difference]: Finished difference Result 50678 states and 74175 transitions. [2024-11-23 18:40:56,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:40:56,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 149 [2024-11-23 18:40:56,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:40:56,316 INFO L225 Difference]: With dead ends: 50678 [2024-11-23 18:40:56,316 INFO L226 Difference]: Without dead ends: 28137 [2024-11-23 18:40:56,398 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 [2024-11-23 18:40:56,399 INFO L435 NwaCegarLoop]: 2268 mSDtfsCounter, 1069 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 3415 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:40:56,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 3415 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-23 18:40:56,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28137 states. [2024-11-23 18:40:57,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28137 to 28120. [2024-11-23 18:40:57,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28120 states, 20927 states have (on average 1.3760214077507527) internal successors, (28796), 21928 states have internal predecessors, (28796), 6139 states have call successors, (6139), 1067 states have call predecessors, (6139), 1053 states have return successors, (6123), 6024 states have call predecessors, (6123), 6123 states have call successors, (6123) [2024-11-23 18:40:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28120 states to 28120 states and 41058 transitions. [2024-11-23 18:40:57,697 INFO L78 Accepts]: Start accepts. Automaton has 28120 states and 41058 transitions. Word has length 149 [2024-11-23 18:40:57,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:40:57,698 INFO L471 AbstractCegarLoop]: Abstraction has 28120 states and 41058 transitions. [2024-11-23 18:40:57,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 18:40:57,698 INFO L276 IsEmpty]: Start isEmpty. Operand 28120 states and 41058 transitions. [2024-11-23 18:40:57,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-23 18:40:57,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:40:57,715 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:40:57,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 18:40:57,715 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:40:57,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:40:57,716 INFO L85 PathProgramCache]: Analyzing trace with hash -628863209, now seen corresponding path program 1 times [2024-11-23 18:40:57,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:40:57,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703549497] [2024-11-23 18:40:57,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:40:57,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:41:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:41:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-23 18:41:16,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:41:16,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703549497] [2024-11-23 18:41:16,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703549497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:41:16,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:41:16,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:41:16,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635666044] [2024-11-23 18:41:16,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:41:16,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:41:16,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:41:16,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:41:16,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:41:16,641 INFO L87 Difference]: Start difference. First operand 28120 states and 41058 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 18:41:17,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:41:17,858 INFO L93 Difference]: Finished difference Result 56237 states and 82113 transitions. [2024-11-23 18:41:17,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:41:17,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 150 [2024-11-23 18:41:17,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:41:18,059 INFO L225 Difference]: With dead ends: 56237 [2024-11-23 18:41:18,059 INFO L226 Difference]: Without dead ends: 28120 [2024-11-23 18:41:18,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:41:18,162 INFO L435 NwaCegarLoop]: 1213 mSDtfsCounter, 1210 mSDsluCounter, 2422 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 3635 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:41:18,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 3635 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:41:18,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28120 states. [2024-11-23 18:41:19,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28120 to 28120. [2024-11-23 18:41:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28120 states, 20927 states have (on average 1.3758302671190328) internal successors, (28792), 21928 states have internal predecessors, (28792), 6139 states have call successors, (6139), 1067 states have call predecessors, (6139), 1053 states have return successors, (6123), 6024 states have call predecessors, (6123), 6123 states have call successors, (6123) [2024-11-23 18:41:19,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28120 states to 28120 states and 41054 transitions. [2024-11-23 18:41:19,352 INFO L78 Accepts]: Start accepts. Automaton has 28120 states and 41054 transitions. Word has length 150 [2024-11-23 18:41:19,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:41:19,352 INFO L471 AbstractCegarLoop]: Abstraction has 28120 states and 41054 transitions. [2024-11-23 18:41:19,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 18:41:19,353 INFO L276 IsEmpty]: Start isEmpty. Operand 28120 states and 41054 transitions. [2024-11-23 18:41:19,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-23 18:41:19,363 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:41:19,363 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2024-11-23 18:41:19,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 18:41:19,364 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:41:19,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:41:19,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1237409096, now seen corresponding path program 1 times [2024-11-23 18:41:19,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:41:19,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806624268] [2024-11-23 18:41:19,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:41:19,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:41:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:41:37,930 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-23 18:41:37,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:41:37,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806624268] [2024-11-23 18:41:37,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806624268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:41:37,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:41:37,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:41:37,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589323420] [2024-11-23 18:41:37,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:41:37,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:41:37,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:41:37,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:41:37,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:41:37,932 INFO L87 Difference]: Start difference. First operand 28120 states and 41054 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 18:41:42,073 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 [] [2024-11-23 18:41:44,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:41:44,358 INFO L93 Difference]: Finished difference Result 61830 states and 90411 transitions. [2024-11-23 18:41:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:41:44,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 152 [2024-11-23 18:41:44,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:41:44,558 INFO L225 Difference]: With dead ends: 61830 [2024-11-23 18:41:44,559 INFO L226 Difference]: Without dead ends: 33713 [2024-11-23 18:41:44,645 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 [2024-11-23 18:41:44,646 INFO L435 NwaCegarLoop]: 2268 mSDtfsCounter, 1070 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 3414 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:41:44,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 3414 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-11-23 18:41:44,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33713 states. [2024-11-23 18:41:46,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33713 to 33696. [2024-11-23 18:41:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33696 states, 25093 states have (on average 1.374965129717451) internal successors, (34502), 26290 states have internal predecessors, (34502), 7345 states have call successors, (7345), 1271 states have call predecessors, (7345), 1257 states have return successors, (7329), 7214 states have call predecessors, (7329), 7329 states have call successors, (7329) [2024-11-23 18:41:46,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33696 states to 33696 states and 49176 transitions. [2024-11-23 18:41:46,145 INFO L78 Accepts]: Start accepts. Automaton has 33696 states and 49176 transitions. Word has length 152 [2024-11-23 18:41:46,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:41:46,146 INFO L471 AbstractCegarLoop]: Abstraction has 33696 states and 49176 transitions. [2024-11-23 18:41:46,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 18:41:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand 33696 states and 49176 transitions. [2024-11-23 18:41:46,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 18:41:46,154 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:41:46,154 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:41:46,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 18:41:46,154 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:41:46,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:41:46,155 INFO L85 PathProgramCache]: Analyzing trace with hash 730439075, now seen corresponding path program 1 times [2024-11-23 18:41:46,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:41:46,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739172941] [2024-11-23 18:41:46,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:41:46,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms