./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-08_1a-drivers--media--pci--pt3--earth-pt3.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_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/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_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/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_4e6372f6-4246-44c0-8bca-60f422876360/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 1b8743dc91924021ca584164be599e5a9a33571f7564f3efe668f728c174c3df --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:24:16,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:24:16,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 00:24:16,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:24:16,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:24:16,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:24:16,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:24:16,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:24:16,579 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:24:16,579 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:24:16,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:24:16,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:24:16,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:24:16,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:24:16,580 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:24:16,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:24:16,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:24:16,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:24:16,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:24:16,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:24:16,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:24:16,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:24:16,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:24:16,582 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:24:16,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:24:16,582 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:24:16,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:24:16,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:24:16,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:24:16,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:24:16,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:24:16,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:24:16,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:24:16,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:24:16,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:24:16,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:24:16,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:24:16,583 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:24:16,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:24:16,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:24:16,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:24:16,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:24:16,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:24:16,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:24:16,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:24:16,585 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_4e6372f6-4246-44c0-8bca-60f422876360/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 -> 1b8743dc91924021ca584164be599e5a9a33571f7564f3efe668f728c174c3df [2024-11-24 00:24:16,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:24:16,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:24:16,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:24:16,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:24:16,883 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:24:16,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2024-11-24 00:24:19,806 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/data/a92f52a5f/9d0ba75faa8f40d58769ebc6ba75e10c/FLAGc2f0ccbd5 [2024-11-24 00:24:20,487 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:24:20,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2024-11-24 00:24:20,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/data/a92f52a5f/9d0ba75faa8f40d58769ebc6ba75e10c/FLAGc2f0ccbd5 [2024-11-24 00:24:20,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/data/a92f52a5f/9d0ba75faa8f40d58769ebc6ba75e10c [2024-11-24 00:24:20,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:24:20,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:24:20,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:24:20,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:24:20,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:24:20,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:24:20" (1/1) ... [2024-11-24 00:24:20,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202d11e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:20, skipping insertion in model container [2024-11-24 00:24:20,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:24:20" (1/1) ... [2024-11-24 00:24:20,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:24:22,228 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_4e6372f6-4246-44c0-8bca-60f422876360/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i[191080,191093] [2024-11-24 00:24:22,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:24:22,338 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:24:22,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4374-4375] [2024-11-24 00:24:22,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4392] [2024-11-24 00:24:22,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4395] [2024-11-24 00:24:22,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4398] [2024-11-24 00:24:22,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4401] [2024-11-24 00:24:22,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [4688] [2024-11-24 00:24:22,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5323-5324] [2024-11-24 00:24:22,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5328-5329] [2024-11-24 00:24:22,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5333-5334] [2024-11-24 00:24:22,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5338-5339] [2024-11-24 00:24:22,705 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_4e6372f6-4246-44c0-8bca-60f422876360/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i[191080,191093] [2024-11-24 00:24:22,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:24:22,841 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:24:22,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22 WrapperNode [2024-11-24 00:24:22,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:24:22,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:24:22,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:24:22,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:24:22,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:22,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:23,103 INFO L138 Inliner]: procedures = 210, calls = 1406, calls flagged for inlining = 108, calls inlined = 108, statements flattened = 3607 [2024-11-24 00:24:23,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:24:23,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:24:23,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:24:23,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:24:23,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:23,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:23,142 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:23,740 INFO L175 MemorySlicer]: Split 890 memory accesses to 22 slices as follows [2, 1, 3, 43, 7, 4, 2, 20, 9, 8, 2, 1, 14, 84, 386, 10, 1, 2, 8, 274, 1, 8]. 43 percent of accesses are in the largest equivalence class. The 59 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 14, 0, 8, 0, 0, 0, 0, 19, 0, 0, 0, 8, 0, 0, 8]. The 460 writes are split as follows [0, 0, 2, 43, 3, 4, 1, 4, 3, 0, 1, 0, 12, 84, 116, 3, 0, 1, 0, 182, 1, 0]. [2024-11-24 00:24:23,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:23,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:23,871 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:23,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:23,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:23,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:24,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:24,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:24:24,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:24:24,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:24:24,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:24:24,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (1/1) ... [2024-11-24 00:24:24,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:24:24,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:24:24,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:24:24,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:24:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_fe_init [2024-11-24 00:24:24,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_fe_init [2024-11-24 00:24:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2024-11-24 00:24:24,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2024-11-24 00:24:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 00:24:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 00:24:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 00:24:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 00:24:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 00:24:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 00:24:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 00:24:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 00:24:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 00:24:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 00:24:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 00:24:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 00:24:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 00:24:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 00:24:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-24 00:24:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-24 00:24:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-24 00:24:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-24 00:24:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-24 00:24:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-24 00:24:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-24 00:24:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-24 00:24:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 00:24:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 00:24:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 00:24:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 00:24:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 00:24:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 00:24:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 00:24:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 00:24:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 00:24:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 00:24:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-24 00:24:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-24 00:24:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 00:24:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 00:24:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 00:24:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 00:24:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure wait_i2c_result [2024-11-24 00:24:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_i2c_result [2024-11-24 00:24:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2024-11-24 00:24:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2024-11-24 00:24:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-24 00:24:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-24 00:24:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 00:24:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 00:24:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_streaming [2024-11-24 00:24:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_streaming [2024-11-24 00:24:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-24 00:24:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-24 00:24:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-11-24 00:24:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-11-24 00:24:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-11-24 00:24:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-11-24 00:24:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2024-11-24 00:24:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2024-11-24 00:24:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_lnb_ctrl [2024-11-24 00:24:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_lnb_ctrl [2024-11-24 00:24:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 00:24:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 00:24:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 00:24:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 00:24:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:24:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:24:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2024-11-24 00:24:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2024-11-24 00:24:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_free_dmabuf [2024-11-24 00:24:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_free_dmabuf [2024-11-24 00:24:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-24 00:24:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-24 00:24:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_alloc_dmabuf [2024-11-24 00:24:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_alloc_dmabuf [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2024-11-24 00:24:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 00:24:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 00:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 00:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 00:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 00:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 00:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-24 00:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-24 00:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-24 00:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-24 00:24:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-24 00:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-24 00:24:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-24 00:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 00:24:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 00:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2024-11-24 00:24:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2024-11-24 00:24:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-24 00:24:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-24 00:24:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:24:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 00:24:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 00:24:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 00:24:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 00:24:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 00:24:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 00:24:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 00:24:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 00:24:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 00:24:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 00:24:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 00:24:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 00:24:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 00:24:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 00:24:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 00:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 00:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 00:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 00:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 00:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-24 00:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-24 00:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-24 00:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2024-11-24 00:24:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2024-11-24 00:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_base [2024-11-24 00:24:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_base [2024-11-24 00:24:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-24 00:24:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-24 00:24:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-24 00:24:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-24 00:24:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-24 00:24:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-24 00:24:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 00:24:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 00:24:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-24 00:24:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_resume [2024-11-24 00:24:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_resume [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-24 00:24:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 00:24:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-24 00:24:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_demod_write [2024-11-24 00:24:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_demod_write [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-24 00:24:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:24:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure send_i2c_cmd [2024-11-24 00:24:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure send_i2c_cmd [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 00:24:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 00:24:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 00:24:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 00:24:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 00:24:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 00:24:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 00:24:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 00:24:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 00:24:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 00:24:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-24 00:24:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-24 00:24:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-24 00:24:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-24 00:24:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-24 00:24:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-24 00:24:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-24 00:24:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-24 00:24:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-24 00:24:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 00:24:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 00:24:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 00:24:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 00:24:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 00:24:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 00:24:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 00:24:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 00:24:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 00:24:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 00:24:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 00:24:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 00:24:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 00:24:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-24 00:24:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-24 00:24:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-24 00:24:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-24 00:24:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-24 00:24:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-24 00:24:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-24 00:24:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-24 00:24:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-24 00:24:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter_packets [2024-11-24 00:24:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter_packets [2024-11-24 00:24:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 00:24:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 00:24:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure cmdbuf_add [2024-11-24 00:24:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cmdbuf_add [2024-11-24 00:24:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:24:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:24:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:24:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:24:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:24:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 00:24:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 00:24:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-24 00:24:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-24 00:24:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-24 00:24:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-24 00:24:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-24 00:24:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_dma [2024-11-24 00:24:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_dma [2024-11-24 00:24:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-24 00:24:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-24 00:24:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 00:24:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 00:24:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure put_byte_write [2024-11-24 00:24:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure put_byte_write [2024-11-24 00:24:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2024-11-24 00:24:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-24 00:24:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_set_tuner_power [2024-11-24 00:24:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_set_tuner_power [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2024-11-24 00:24:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 00:24:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 00:24:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 00:24:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 00:24:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-24 00:24:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-24 00:24:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-24 00:24:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_suspend [2024-11-24 00:24:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_suspend [2024-11-24 00:24:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:24:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:24:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_start_dma [2024-11-24 00:24:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_start_dma [2024-11-24 00:24:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_find_adapter [2024-11-24 00:24:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_find_adapter [2024-11-24 00:24:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-24 00:24:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-24 00:24:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_init_dmabuf [2024-11-24 00:24:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_init_dmabuf [2024-11-24 00:24:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2024-11-24 00:24:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2024-11-24 00:24:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-24 00:24:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-24 00:24:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2024-11-24 00:24:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2024-11-24 00:24:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_cleanup_adapter [2024-11-24 00:24:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_cleanup_adapter [2024-11-24 00:24:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-24 00:24:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-24 00:24:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:24:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:24:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:24:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:24:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 00:24:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 00:24:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-24 00:24:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-24 00:24:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-24 00:24:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:24:24,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:24:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-24 00:24:24,156 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-24 00:24:25,150 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:24:25,155 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:24:26,559 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 00:24:49,545 INFO L? ?]: Removed 1609 outVars from TransFormulas that were not future-live. [2024-11-24 00:24:49,546 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:24:49,577 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:24:49,577 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 00:24:49,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:24:49 BoogieIcfgContainer [2024-11-24 00:24:49,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:24:49,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:24:49,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:24:49,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:24:49,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:24:20" (1/3) ... [2024-11-24 00:24:49,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcb330c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:24:49, skipping insertion in model container [2024-11-24 00:24:49,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:22" (2/3) ... [2024-11-24 00:24:49,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcb330c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:24:49, skipping insertion in model container [2024-11-24 00:24:49,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:24:49" (3/3) ... [2024-11-24 00:24:49,589 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2024-11-24 00:24:49,607 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:24:49,614 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i that has 86 procedures, 1209 locations, 1 initial locations, 45 loop locations, and 1 error locations. [2024-11-24 00:24:49,728 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:24:49,744 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;@22c0d536, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:24:49,746 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:24:49,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 1103 states, 814 states have (on average 1.3685503685503686) internal successors, (1114), 836 states have internal predecessors, (1114), 224 states have call successors, (224), 64 states have call predecessors, (224), 63 states have return successors, (219), 216 states have call predecessors, (219), 219 states have call successors, (219) [2024-11-24 00:24:49,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-24 00:24:49,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:24:49,771 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:24:49,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:24:49,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:24:49,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2056666522, now seen corresponding path program 1 times [2024-11-24 00:24:49,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:24:49,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292169923] [2024-11-24 00:24:49,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:49,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:24:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-24 00:24:55,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:24:55,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292169923] [2024-11-24 00:24:55,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292169923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:24:55,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405807840] [2024-11-24 00:24:55,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:55,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:24:55,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:24:55,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:24:55,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:25:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:25:01,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 3035 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:25:01,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:25:01,120 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-24 00:25:01,120 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:25:01,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405807840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:25:01,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:25:01,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:25:01,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108563470] [2024-11-24 00:25:01,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:25:01,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:25:01,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:25:01,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:25:01,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:25:01,146 INFO L87 Difference]: Start difference. First operand has 1103 states, 814 states have (on average 1.3685503685503686) internal successors, (1114), 836 states have internal predecessors, (1114), 224 states have call successors, (224), 64 states have call predecessors, (224), 63 states have return successors, (219), 216 states have call predecessors, (219), 219 states have call successors, (219) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 00:25:01,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:25:01,310 INFO L93 Difference]: Finished difference Result 2201 states and 3167 transitions. [2024-11-24 00:25:01,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:25:01,312 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-11-24 00:25:01,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:25:01,338 INFO L225 Difference]: With dead ends: 2201 [2024-11-24 00:25:01,338 INFO L226 Difference]: Without dead ends: 1091 [2024-11-24 00:25:01,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:25:01,357 INFO L435 NwaCegarLoop]: 1547 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:25:01,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1547 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:25:01,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2024-11-24 00:25:01,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2024-11-24 00:25:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 809 states have (on average 1.3547589616810878) internal successors, (1096), 824 states have internal predecessors, (1096), 219 states have call successors, (219), 63 states have call predecessors, (219), 62 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2024-11-24 00:25:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1532 transitions. [2024-11-24 00:25:01,598 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1532 transitions. Word has length 51 [2024-11-24 00:25:01,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:25:01,601 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1532 transitions. [2024-11-24 00:25:01,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 00:25:01,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1532 transitions. [2024-11-24 00:25:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-24 00:25:01,604 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:25:01,604 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:25:01,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:25:01,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:25:01,805 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:25:01,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:25:01,807 INFO L85 PathProgramCache]: Analyzing trace with hash 550845718, now seen corresponding path program 1 times [2024-11-24 00:25:01,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:25:01,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362435850] [2024-11-24 00:25:01,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:25:01,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:25:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:25:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-24 00:25:06,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:25:06,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362435850] [2024-11-24 00:25:06,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362435850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:25:06,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:25:06,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:25:06,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360379948] [2024-11-24 00:25:06,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:25:06,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:25:06,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:25:06,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:25:06,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:25:06,644 INFO L87 Difference]: Start difference. First operand 1091 states and 1532 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-24 00:25:10,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:25:11,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:25:11,442 INFO L93 Difference]: Finished difference Result 3234 states and 4547 transitions. [2024-11-24 00:25:11,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:25:11,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 51 [2024-11-24 00:25:11,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:25:11,475 INFO L225 Difference]: With dead ends: 3234 [2024-11-24 00:25:11,475 INFO L226 Difference]: Without dead ends: 2153 [2024-11-24 00:25:11,483 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 [2024-11-24 00:25:11,484 INFO L435 NwaCegarLoop]: 1543 mSDtfsCounter, 1495 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 3056 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:25:11,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 3056 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-24 00:25:11,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2024-11-24 00:25:11,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2150. [2024-11-24 00:25:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 1594 states have (on average 1.3569636135508156) internal successors, (2163), 1623 states have internal predecessors, (2163), 431 states have call successors, (431), 125 states have call predecessors, (431), 124 states have return successors, (429), 423 states have call predecessors, (429), 429 states have call successors, (429) [2024-11-24 00:25:11,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 3023 transitions. [2024-11-24 00:25:11,646 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 3023 transitions. Word has length 51 [2024-11-24 00:25:11,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:25:11,648 INFO L471 AbstractCegarLoop]: Abstraction has 2150 states and 3023 transitions. [2024-11-24 00:25:11,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-24 00:25:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 3023 transitions. [2024-11-24 00:25:11,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-24 00:25:11,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:25:11,653 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:25:11,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:25:11,654 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:25:11,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:25:11,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1765429909, now seen corresponding path program 1 times [2024-11-24 00:25:11,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:25:11,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738993168] [2024-11-24 00:25:11,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:25:11,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:25:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:25:16,208 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-24 00:25:16,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:25:16,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738993168] [2024-11-24 00:25:16,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738993168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:25:16,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:25:16,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:25:16,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896953353] [2024-11-24 00:25:16,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:25:16,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:25:16,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:25:16,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:25:16,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:25:16,211 INFO L87 Difference]: Start difference. First operand 2150 states and 3023 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 00:25:16,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:25:16,570 INFO L93 Difference]: Finished difference Result 6427 states and 9056 transitions. [2024-11-24 00:25:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:25:16,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 71 [2024-11-24 00:25:16,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:25:16,617 INFO L225 Difference]: With dead ends: 6427 [2024-11-24 00:25:16,618 INFO L226 Difference]: Without dead ends: 4282 [2024-11-24 00:25:16,635 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 [2024-11-24 00:25:16,640 INFO L435 NwaCegarLoop]: 1579 mSDtfsCounter, 1501 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 3094 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:25:16,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 3094 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:25:16,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4282 states. [2024-11-24 00:25:16,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4282 to 4278. [2024-11-24 00:25:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4278 states, 3171 states have (on average 1.356985178177231) internal successors, (4303), 3228 states have internal predecessors, (4303), 858 states have call successors, (858), 249 states have call predecessors, (858), 248 states have return successors, (860), 844 states have call predecessors, (860), 856 states have call successors, (860) [2024-11-24 00:25:16,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4278 states to 4278 states and 6021 transitions. [2024-11-24 00:25:16,992 INFO L78 Accepts]: Start accepts. Automaton has 4278 states and 6021 transitions. Word has length 71 [2024-11-24 00:25:16,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:25:16,994 INFO L471 AbstractCegarLoop]: Abstraction has 4278 states and 6021 transitions. [2024-11-24 00:25:16,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 00:25:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 6021 transitions. [2024-11-24 00:25:17,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-24 00:25:17,003 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:25:17,003 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:25:17,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:25:17,004 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:25:17,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:25:17,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2069612988, now seen corresponding path program 1 times [2024-11-24 00:25:17,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:25:17,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318797740] [2024-11-24 00:25:17,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:25:17,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:25:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:25:21,412 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-24 00:25:21,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:25:21,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318797740] [2024-11-24 00:25:21,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318797740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:25:21,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:25:21,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:25:21,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325265108] [2024-11-24 00:25:21,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:25:21,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:25:21,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:25:21,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:25:21,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:25:21,415 INFO L87 Difference]: Start difference. First operand 4278 states and 6021 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-11-24 00:25:21,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:25:21,934 INFO L93 Difference]: Finished difference Result 11568 states and 16323 transitions. [2024-11-24 00:25:21,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:25:21,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 82 [2024-11-24 00:25:21,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:25:21,995 INFO L225 Difference]: With dead ends: 11568 [2024-11-24 00:25:21,996 INFO L226 Difference]: Without dead ends: 7300 [2024-11-24 00:25:22,021 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 [2024-11-24 00:25:22,022 INFO L435 NwaCegarLoop]: 1902 mSDtfsCounter, 1095 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 3406 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:25:22,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 3406 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:25:22,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7300 states. [2024-11-24 00:25:22,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7300 to 7290. [2024-11-24 00:25:22,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7290 states, 5483 states have (on average 1.3678643078606603) internal successors, (7500), 5552 states have internal predecessors, (7500), 1400 states have call successors, (1400), 407 states have call predecessors, (1400), 406 states have return successors, (1402), 1386 states have call predecessors, (1402), 1398 states have call successors, (1402) [2024-11-24 00:25:22,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7290 states to 7290 states and 10302 transitions. [2024-11-24 00:25:22,413 INFO L78 Accepts]: Start accepts. Automaton has 7290 states and 10302 transitions. Word has length 82 [2024-11-24 00:25:22,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:25:22,414 INFO L471 AbstractCegarLoop]: Abstraction has 7290 states and 10302 transitions. [2024-11-24 00:25:22,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-11-24 00:25:22,414 INFO L276 IsEmpty]: Start isEmpty. Operand 7290 states and 10302 transitions. [2024-11-24 00:25:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-24 00:25:22,429 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:25:22,429 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-24 00:25:22,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:25:22,429 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:25:22,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:25:22,430 INFO L85 PathProgramCache]: Analyzing trace with hash -893949288, now seen corresponding path program 1 times [2024-11-24 00:25:22,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:25:22,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181360883] [2024-11-24 00:25:22,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:25:22,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:25:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:25:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-24 00:25:26,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:25:26,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181360883] [2024-11-24 00:25:26,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181360883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:25:26,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:25:26,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:25:26,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879152812] [2024-11-24 00:25:26,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:25:26,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:25:26,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:25:26,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:25:26,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:25:26,556 INFO L87 Difference]: Start difference. First operand 7290 states and 10302 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-24 00:25:30,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:25:31,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:25:31,415 INFO L93 Difference]: Finished difference Result 11730 states and 16569 transitions. [2024-11-24 00:25:31,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:25:31,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 111 [2024-11-24 00:25:31,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:25:31,455 INFO L225 Difference]: With dead ends: 11730 [2024-11-24 00:25:31,456 INFO L226 Difference]: Without dead ends: 4459 [2024-11-24 00:25:31,491 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 [2024-11-24 00:25:31,493 INFO L435 NwaCegarLoop]: 1535 mSDtfsCounter, 5 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3061 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:25:31,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3061 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-24 00:25:31,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4459 states. [2024-11-24 00:25:31,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4459 to 4454. [2024-11-24 00:25:31,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4454 states, 3359 states have (on average 1.367371241440905) internal successors, (4593), 3397 states have internal predecessors, (4593), 845 states have call successors, (845), 250 states have call predecessors, (845), 249 states have return successors, (845), 837 states have call predecessors, (845), 843 states have call successors, (845) [2024-11-24 00:25:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 6283 transitions. [2024-11-24 00:25:31,722 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 6283 transitions. Word has length 111 [2024-11-24 00:25:31,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:25:31,723 INFO L471 AbstractCegarLoop]: Abstraction has 4454 states and 6283 transitions. [2024-11-24 00:25:31,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-24 00:25:31,723 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 6283 transitions. [2024-11-24 00:25:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:25:31,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:25:31,731 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-24 00:25:31,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:25:31,731 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:25:31,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:25:31,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1952451426, now seen corresponding path program 1 times [2024-11-24 00:25:31,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:25:31,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789838375] [2024-11-24 00:25:31,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:25:31,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:25:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:25:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-24 00:25:36,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:25:36,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789838375] [2024-11-24 00:25:36,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789838375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:25:36,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:25:36,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:25:36,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065519834] [2024-11-24 00:25:36,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:25:36,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:25:36,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:25:36,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:25:36,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:25:36,945 INFO L87 Difference]: Start difference. First operand 4454 states and 6283 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-11-24 00:25:41,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:25:41,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:25:41,835 INFO L93 Difference]: Finished difference Result 9795 states and 13801 transitions. [2024-11-24 00:25:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:25:41,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 145 [2024-11-24 00:25:41,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:25:41,908 INFO L225 Difference]: With dead ends: 9795 [2024-11-24 00:25:41,908 INFO L226 Difference]: Without dead ends: 6112 [2024-11-24 00:25:41,929 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 [2024-11-24 00:25:41,930 INFO L435 NwaCegarLoop]: 2661 mSDtfsCounter, 1464 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1464 SdHoareTripleChecker+Valid, 3867 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:25:41,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1464 Valid, 3867 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 00:25:41,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6112 states. [2024-11-24 00:25:42,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6112 to 6102. [2024-11-24 00:25:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6102 states, 4615 states have (on average 1.3687973997833154) internal successors, (6317), 4659 states have internal predecessors, (6317), 1137 states have call successors, (1137), 350 states have call predecessors, (1137), 349 states have return successors, (1137), 1129 states have call predecessors, (1137), 1135 states have call successors, (1137) [2024-11-24 00:25:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6102 states to 6102 states and 8591 transitions. [2024-11-24 00:25:42,253 INFO L78 Accepts]: Start accepts. Automaton has 6102 states and 8591 transitions. Word has length 145 [2024-11-24 00:25:42,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:25:42,253 INFO L471 AbstractCegarLoop]: Abstraction has 6102 states and 8591 transitions. [2024-11-24 00:25:42,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-11-24 00:25:42,254 INFO L276 IsEmpty]: Start isEmpty. Operand 6102 states and 8591 transitions. [2024-11-24 00:25:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-24 00:25:42,264 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:25:42,264 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1] [2024-11-24 00:25:42,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:25:42,264 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:25:42,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:25:42,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1350769594, now seen corresponding path program 1 times [2024-11-24 00:25:42,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:25:42,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105305444] [2024-11-24 00:25:42,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:25:42,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:25:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:25:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-24 00:25:47,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:25:47,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105305444] [2024-11-24 00:25:47,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105305444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:25:47,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:25:47,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:25:47,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315429512] [2024-11-24 00:25:47,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:25:47,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:25:47,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:25:47,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:25:47,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:25:47,523 INFO L87 Difference]: Start difference. First operand 6102 states and 8591 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2024-11-24 00:25:51,637 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 [] [2024-11-24 00:25:52,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:25:52,596 INFO L93 Difference]: Finished difference Result 13582 states and 19086 transitions. [2024-11-24 00:25:52,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:25:52,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 156 [2024-11-24 00:25:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:25:52,663 INFO L225 Difference]: With dead ends: 13582 [2024-11-24 00:25:52,663 INFO L226 Difference]: Without dead ends: 8251 [2024-11-24 00:25:52,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:25:52,686 INFO L435 NwaCegarLoop]: 3001 mSDtfsCounter, 1485 mSDsluCounter, 4519 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 7520 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:25:52,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 7520 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 00:25:52,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8251 states. [2024-11-24 00:25:53,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8251 to 6106. [2024-11-24 00:25:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6106 states, 4619 states have (on average 1.368478025546655) internal successors, (6321), 4663 states have internal predecessors, (6321), 1137 states have call successors, (1137), 350 states have call predecessors, (1137), 349 states have return successors, (1137), 1129 states have call predecessors, (1137), 1135 states have call successors, (1137) [2024-11-24 00:25:53,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6106 states to 6106 states and 8595 transitions. [2024-11-24 00:25:53,095 INFO L78 Accepts]: Start accepts. Automaton has 6106 states and 8595 transitions. Word has length 156 [2024-11-24 00:25:53,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:25:53,096 INFO L471 AbstractCegarLoop]: Abstraction has 6106 states and 8595 transitions. [2024-11-24 00:25:53,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2024-11-24 00:25:53,098 INFO L276 IsEmpty]: Start isEmpty. Operand 6106 states and 8595 transitions. [2024-11-24 00:25:53,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-24 00:25:53,108 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:25:53,108 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:25:53,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:25:53,109 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:25:53,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:25:53,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1257842403, now seen corresponding path program 1 times [2024-11-24 00:25:53,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:25:53,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336214179] [2024-11-24 00:25:53,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:25:53,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:25:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:25:57,633 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-24 00:25:57,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:25:57,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336214179] [2024-11-24 00:25:57,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336214179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:25:57,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:25:57,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:25:57,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127744766] [2024-11-24 00:25:57,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:25:57,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:25:57,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:25:57,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:25:57,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:25:57,635 INFO L87 Difference]: Start difference. First operand 6106 states and 8595 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:25:57,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:25:57,939 INFO L93 Difference]: Finished difference Result 11443 states and 16104 transitions. [2024-11-24 00:25:57,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:25:57,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 166 [2024-11-24 00:25:57,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:25:57,983 INFO L225 Difference]: With dead ends: 11443 [2024-11-24 00:25:57,983 INFO L226 Difference]: Without dead ends: 6108 [2024-11-24 00:25:58,002 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 [2024-11-24 00:25:58,003 INFO L435 NwaCegarLoop]: 1531 mSDtfsCounter, 0 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3056 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:25:58,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3056 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:25:58,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6108 states. [2024-11-24 00:25:58,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6108 to 6108. [2024-11-24 00:25:58,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6108 states, 4621 states have (on average 1.368318545769314) internal successors, (6323), 4665 states have internal predecessors, (6323), 1137 states have call successors, (1137), 350 states have call predecessors, (1137), 349 states have return successors, (1137), 1129 states have call predecessors, (1137), 1135 states have call successors, (1137) [2024-11-24 00:25:58,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6108 states to 6108 states and 8597 transitions. [2024-11-24 00:25:58,282 INFO L78 Accepts]: Start accepts. Automaton has 6108 states and 8597 transitions. Word has length 166 [2024-11-24 00:25:58,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:25:58,283 INFO L471 AbstractCegarLoop]: Abstraction has 6108 states and 8597 transitions. [2024-11-24 00:25:58,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:25:58,283 INFO L276 IsEmpty]: Start isEmpty. Operand 6108 states and 8597 transitions. [2024-11-24 00:25:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-24 00:25:58,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:25:58,296 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:25:58,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:25:58,296 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:25:58,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:25:58,297 INFO L85 PathProgramCache]: Analyzing trace with hash -824113317, now seen corresponding path program 1 times [2024-11-24 00:25:58,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:25:58,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821721113] [2024-11-24 00:25:58,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:25:58,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-24 00:26:03,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:03,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821721113] [2024-11-24 00:26:03,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821721113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:03,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:03,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:26:03,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157676527] [2024-11-24 00:26:03,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:03,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:26:03,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:03,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:26:03,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:26:03,336 INFO L87 Difference]: Start difference. First operand 6108 states and 8597 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-24 00:26:07,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:26:12,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:26:17,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:26:17,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:17,567 INFO L93 Difference]: Finished difference Result 13686 states and 19246 transitions. [2024-11-24 00:26:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:26:17,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 166 [2024-11-24 00:26:17,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:17,625 INFO L225 Difference]: With dead ends: 13686 [2024-11-24 00:26:17,625 INFO L226 Difference]: Without dead ends: 8349 [2024-11-24 00:26:17,647 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 [2024-11-24 00:26:17,649 INFO L435 NwaCegarLoop]: 3005 mSDtfsCounter, 1513 mSDsluCounter, 7470 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 18 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 10475 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:17,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 10475 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 87 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2024-11-24 00:26:17,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8349 states. [2024-11-24 00:26:17,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8349 to 6148. [2024-11-24 00:26:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6148 states, 4643 states have (on average 1.3682963601119966) internal successors, (6353), 4689 states have internal predecessors, (6353), 1155 states have call successors, (1155), 350 states have call predecessors, (1155), 349 states have return successors, (1155), 1145 states have call predecessors, (1155), 1153 states have call successors, (1155) [2024-11-24 00:26:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6148 states to 6148 states and 8663 transitions. [2024-11-24 00:26:17,976 INFO L78 Accepts]: Start accepts. Automaton has 6148 states and 8663 transitions. Word has length 166 [2024-11-24 00:26:17,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:17,977 INFO L471 AbstractCegarLoop]: Abstraction has 6148 states and 8663 transitions. [2024-11-24 00:26:17,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-24 00:26:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 6148 states and 8663 transitions. [2024-11-24 00:26:17,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-24 00:26:17,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:17,993 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:17,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:26:17,993 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:17,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:17,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1523148885, now seen corresponding path program 1 times [2024-11-24 00:26:17,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:17,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088756690] [2024-11-24 00:26:17,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:17,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-24 00:26:24,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:24,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088756690] [2024-11-24 00:26:24,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088756690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:24,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:24,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:26:24,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091780917] [2024-11-24 00:26:24,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:24,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:24,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:24,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:24,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:24,162 INFO L87 Difference]: Start difference. First operand 6148 states and 8663 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 00:26:24,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:24,438 INFO L93 Difference]: Finished difference Result 12279 states and 17307 transitions. [2024-11-24 00:26:24,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:24,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 186 [2024-11-24 00:26:24,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:24,481 INFO L225 Difference]: With dead ends: 12279 [2024-11-24 00:26:24,481 INFO L226 Difference]: Without dead ends: 6149 [2024-11-24 00:26:24,504 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 [2024-11-24 00:26:24,504 INFO L435 NwaCegarLoop]: 1531 mSDtfsCounter, 0 mSDsluCounter, 1528 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3059 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:24,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3059 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:26:24,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6149 states. [2024-11-24 00:26:24,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6149 to 6149. [2024-11-24 00:26:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6149 states, 4644 states have (on average 1.3682170542635659) internal successors, (6354), 4690 states have internal predecessors, (6354), 1155 states have call successors, (1155), 350 states have call predecessors, (1155), 349 states have return successors, (1155), 1145 states have call predecessors, (1155), 1153 states have call successors, (1155) [2024-11-24 00:26:24,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 8664 transitions. [2024-11-24 00:26:24,795 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 8664 transitions. Word has length 186 [2024-11-24 00:26:24,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:24,796 INFO L471 AbstractCegarLoop]: Abstraction has 6149 states and 8664 transitions. [2024-11-24 00:26:24,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 00:26:24,796 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 8664 transitions. [2024-11-24 00:26:24,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-24 00:26:24,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:24,810 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:24,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:26:24,810 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:24,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:24,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1198488614, now seen corresponding path program 1 times [2024-11-24 00:26:24,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:24,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583005509] [2024-11-24 00:26:24,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:24,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-24 00:26:31,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:31,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583005509] [2024-11-24 00:26:31,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583005509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:26:31,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788014000] [2024-11-24 00:26:31,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:31,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:26:31,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:26:31,219 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:26:31,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:26:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:37,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 3981 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:26:37,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:26:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-24 00:26:37,650 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:26:37,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788014000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:37,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:26:37,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2024-11-24 00:26:37,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414849315] [2024-11-24 00:26:37,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:37,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:26:37,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:37,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:26:37,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:26:37,653 INFO L87 Difference]: Start difference. First operand 6149 states and 8664 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 00:26:41,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:26:47,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:26:51,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:26:52,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:52,263 INFO L93 Difference]: Finished difference Result 13739 states and 19333 transitions. [2024-11-24 00:26:52,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:26:52,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 187 [2024-11-24 00:26:52,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:52,324 INFO L225 Difference]: With dead ends: 13739 [2024-11-24 00:26:52,324 INFO L226 Difference]: Without dead ends: 8362 [2024-11-24 00:26:52,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:26:52,349 INFO L435 NwaCegarLoop]: 3004 mSDtfsCounter, 1514 mSDsluCounter, 7469 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 21 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 10473 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:52,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 10473 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2024-11-24 00:26:52,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8362 states. [2024-11-24 00:26:52,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8362 to 6149. [2024-11-24 00:26:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6149 states, 4644 states have (on average 1.3682170542635659) internal successors, (6354), 4690 states have internal predecessors, (6354), 1155 states have call successors, (1155), 350 states have call predecessors, (1155), 349 states have return successors, (1155), 1145 states have call predecessors, (1155), 1153 states have call successors, (1155) [2024-11-24 00:26:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 8664 transitions. [2024-11-24 00:26:52,678 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 8664 transitions. Word has length 187 [2024-11-24 00:26:52,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:52,679 INFO L471 AbstractCegarLoop]: Abstraction has 6149 states and 8664 transitions. [2024-11-24 00:26:52,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 00:26:52,679 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 8664 transitions. [2024-11-24 00:26:52,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-24 00:26:52,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:52,693 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:52,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:26:52,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:26:52,894 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:52,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:52,894 INFO L85 PathProgramCache]: Analyzing trace with hash 471807376, now seen corresponding path program 1 times [2024-11-24 00:26:52,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:52,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088546172] [2024-11-24 00:26:52,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:52,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:57,064 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-24 00:26:57,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:57,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088546172] [2024-11-24 00:26:57,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088546172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:57,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:57,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:26:57,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430814049] [2024-11-24 00:26:57,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:57,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:57,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:57,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:57,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:57,068 INFO L87 Difference]: Start difference. First operand 6149 states and 8664 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-24 00:26:57,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:57,491 INFO L93 Difference]: Finished difference Result 11528 states and 16241 transitions. [2024-11-24 00:26:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:57,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 292 [2024-11-24 00:26:57,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:57,544 INFO L225 Difference]: With dead ends: 11528 [2024-11-24 00:26:57,544 INFO L226 Difference]: Without dead ends: 6151 [2024-11-24 00:26:57,571 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 [2024-11-24 00:26:57,572 INFO L435 NwaCegarLoop]: 1531 mSDtfsCounter, 0 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3056 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:57,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3056 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:26:57,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2024-11-24 00:26:57,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 6151. [2024-11-24 00:26:57,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6151 states, 4646 states have (on average 1.3680585449849332) internal successors, (6356), 4692 states have internal predecessors, (6356), 1155 states have call successors, (1155), 350 states have call predecessors, (1155), 349 states have return successors, (1155), 1145 states have call predecessors, (1155), 1153 states have call successors, (1155) [2024-11-24 00:26:58,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6151 states to 6151 states and 8666 transitions. [2024-11-24 00:26:58,027 INFO L78 Accepts]: Start accepts. Automaton has 6151 states and 8666 transitions. Word has length 292 [2024-11-24 00:26:58,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:58,030 INFO L471 AbstractCegarLoop]: Abstraction has 6151 states and 8666 transitions. [2024-11-24 00:26:58,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-24 00:26:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand 6151 states and 8666 transitions. [2024-11-24 00:26:58,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-24 00:26:58,048 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:58,048 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:58,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:26:58,049 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:58,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:58,049 INFO L85 PathProgramCache]: Analyzing trace with hash 139164238, now seen corresponding path program 1 times [2024-11-24 00:26:58,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:58,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605469177] [2024-11-24 00:26:58,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:58,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-24 00:27:02,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:02,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605469177] [2024-11-24 00:27:02,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605469177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:27:02,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:27:02,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:27:02,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378884548] [2024-11-24 00:27:02,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:27:02,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:27:02,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:02,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:27:02,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:02,902 INFO L87 Difference]: Start difference. First operand 6151 states and 8666 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-24 00:27:07,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:27:11,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:27:11,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:11,306 INFO L93 Difference]: Finished difference Result 11692 states and 16497 transitions. [2024-11-24 00:27:11,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:27:11,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 292 [2024-11-24 00:27:11,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:11,351 INFO L225 Difference]: With dead ends: 11692 [2024-11-24 00:27:11,351 INFO L226 Difference]: Without dead ends: 6313 [2024-11-24 00:27:11,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:11,374 INFO L435 NwaCegarLoop]: 1526 mSDtfsCounter, 74 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 3044 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:11,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 3044 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2024-11-24 00:27:11,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6313 states. [2024-11-24 00:27:11,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6313 to 6311. [2024-11-24 00:27:11,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6311 states, 4758 states have (on average 1.3673812526271543) internal successors, (6506), 4810 states have internal predecessors, (6506), 1203 states have call successors, (1203), 350 states have call predecessors, (1203), 349 states have return successors, (1205), 1193 states have call predecessors, (1205), 1201 states have call successors, (1205) [2024-11-24 00:27:11,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8914 transitions. [2024-11-24 00:27:11,671 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8914 transitions. Word has length 292 [2024-11-24 00:27:11,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:11,673 INFO L471 AbstractCegarLoop]: Abstraction has 6311 states and 8914 transitions. [2024-11-24 00:27:11,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-24 00:27:11,673 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8914 transitions. [2024-11-24 00:27:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-24 00:27:11,686 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:11,686 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:27:11,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:27:11,686 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:11,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:11,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1002385717, now seen corresponding path program 1 times [2024-11-24 00:27:11,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:11,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683747918] [2024-11-24 00:27:11,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:11,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:16,642 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-24 00:27:16,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:16,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683747918] [2024-11-24 00:27:16,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683747918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:27:16,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:27:16,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:27:16,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488321282] [2024-11-24 00:27:16,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:27:16,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:27:16,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:16,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:27:16,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:27:16,646 INFO L87 Difference]: Start difference. First operand 6311 states and 8914 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-24 00:27:17,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:17,332 INFO L93 Difference]: Finished difference Result 12748 states and 18138 transitions. [2024-11-24 00:27:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:27:17,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 314 [2024-11-24 00:27:17,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:17,382 INFO L225 Difference]: With dead ends: 12748 [2024-11-24 00:27:17,383 INFO L226 Difference]: Without dead ends: 6458 [2024-11-24 00:27:17,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:27:17,414 INFO L435 NwaCegarLoop]: 1535 mSDtfsCounter, 15 mSDsluCounter, 4573 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 6108 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:17,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 6108 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:27:17,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6458 states. [2024-11-24 00:27:17,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6458 to 6444. [2024-11-24 00:27:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6444 states, 4863 states have (on average 1.3695249845774213) internal successors, (6660), 4915 states have internal predecessors, (6660), 1224 states have call successors, (1224), 357 states have call predecessors, (1224), 356 states have return successors, (1226), 1214 states have call predecessors, (1226), 1222 states have call successors, (1226) [2024-11-24 00:27:17,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6444 states to 6444 states and 9110 transitions. [2024-11-24 00:27:17,742 INFO L78 Accepts]: Start accepts. Automaton has 6444 states and 9110 transitions. Word has length 314 [2024-11-24 00:27:17,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:17,744 INFO L471 AbstractCegarLoop]: Abstraction has 6444 states and 9110 transitions. [2024-11-24 00:27:17,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-24 00:27:17,745 INFO L276 IsEmpty]: Start isEmpty. Operand 6444 states and 9110 transitions. [2024-11-24 00:27:17,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-24 00:27:17,760 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:17,761 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:27:17,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:27:17,761 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:17,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:17,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1106891714, now seen corresponding path program 1 times [2024-11-24 00:27:17,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:17,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686012128] [2024-11-24 00:27:17,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:17,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:23,306 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-24 00:27:23,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:23,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686012128] [2024-11-24 00:27:23,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686012128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:27:23,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:27:23,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:27:23,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606996926] [2024-11-24 00:27:23,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:27:23,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:27:23,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:23,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:27:23,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:27:23,308 INFO L87 Difference]: Start difference. First operand 6444 states and 9110 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-24 00:27:23,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:23,652 INFO L93 Difference]: Finished difference Result 12909 states and 18355 transitions. [2024-11-24 00:27:23,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:27:23,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 323 [2024-11-24 00:27:23,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:23,708 INFO L225 Difference]: With dead ends: 12909 [2024-11-24 00:27:23,708 INFO L226 Difference]: Without dead ends: 6486 [2024-11-24 00:27:23,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:27:23,734 INFO L435 NwaCegarLoop]: 1532 mSDtfsCounter, 0 mSDsluCounter, 4591 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6123 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:23,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6123 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:27:23,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6486 states. [2024-11-24 00:27:24,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6486 to 6472. [2024-11-24 00:27:24,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6472 states, 4884 states have (on average 1.367936117936118) internal successors, (6681), 4936 states have internal predecessors, (6681), 1224 states have call successors, (1224), 357 states have call predecessors, (1224), 363 states have return successors, (1233), 1221 states have call predecessors, (1233), 1222 states have call successors, (1233) [2024-11-24 00:27:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6472 states to 6472 states and 9138 transitions. [2024-11-24 00:27:24,186 INFO L78 Accepts]: Start accepts. Automaton has 6472 states and 9138 transitions. Word has length 323 [2024-11-24 00:27:24,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:24,187 INFO L471 AbstractCegarLoop]: Abstraction has 6472 states and 9138 transitions. [2024-11-24 00:27:24,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-24 00:27:24,188 INFO L276 IsEmpty]: Start isEmpty. Operand 6472 states and 9138 transitions. [2024-11-24 00:27:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-24 00:27:24,203 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:24,203 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:27:24,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:27:24,203 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:24,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:24,208 INFO L85 PathProgramCache]: Analyzing trace with hash -925701327, now seen corresponding path program 1 times [2024-11-24 00:27:24,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:24,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998778355] [2024-11-24 00:27:24,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:24,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:29,879 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-24 00:27:29,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:29,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998778355] [2024-11-24 00:27:29,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998778355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:27:29,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609203071] [2024-11-24 00:27:29,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:29,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:27:29,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:27:29,882 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:27:29,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:27:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:36,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 4986 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:27:36,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:27:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-24 00:27:37,233 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:27:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-24 00:27:42,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609203071] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:27:42,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:27:42,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-11-24 00:27:42,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810442835] [2024-11-24 00:27:42,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:27:42,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:27:42,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:42,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:27:42,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:27:42,738 INFO L87 Difference]: Start difference. First operand 6472 states and 9138 transitions. Second operand has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 states have internal predecessors, (180), 5 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) [2024-11-24 00:27:45,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:45,599 INFO L93 Difference]: Finished difference Result 13420 states and 19132 transitions. [2024-11-24 00:27:45,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:27:45,601 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 states have internal predecessors, (180), 5 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) Word has length 327 [2024-11-24 00:27:45,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:45,649 INFO L225 Difference]: With dead ends: 13420 [2024-11-24 00:27:45,649 INFO L226 Difference]: Without dead ends: 6794 [2024-11-24 00:27:45,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 648 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:27:45,676 INFO L435 NwaCegarLoop]: 1534 mSDtfsCounter, 78 mSDsluCounter, 9186 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 10720 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:45,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 10720 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 00:27:45,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6794 states. [2024-11-24 00:27:45,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6794 to 6752. [2024-11-24 00:27:45,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6752 states, 5087 states have (on average 1.3573815608413604) internal successors, (6905), 5139 states have internal predecessors, (6905), 1301 states have call successors, (1301), 357 states have call predecessors, (1301), 363 states have return successors, (1310), 1298 states have call predecessors, (1310), 1299 states have call successors, (1310) [2024-11-24 00:27:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6752 states to 6752 states and 9516 transitions. [2024-11-24 00:27:46,010 INFO L78 Accepts]: Start accepts. Automaton has 6752 states and 9516 transitions. Word has length 327 [2024-11-24 00:27:46,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:46,011 INFO L471 AbstractCegarLoop]: Abstraction has 6752 states and 9516 transitions. [2024-11-24 00:27:46,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 states have internal predecessors, (180), 5 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) [2024-11-24 00:27:46,011 INFO L276 IsEmpty]: Start isEmpty. Operand 6752 states and 9516 transitions. [2024-11-24 00:27:46,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-11-24 00:27:46,022 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:46,022 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:27:46,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 00:27:46,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-24 00:27:46,223 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:46,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:46,224 INFO L85 PathProgramCache]: Analyzing trace with hash 823127878, now seen corresponding path program 1 times [2024-11-24 00:27:46,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:46,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109879312] [2024-11-24 00:27:46,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:46,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:50,500 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-24 00:27:50,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:50,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109879312] [2024-11-24 00:27:50,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109879312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:27:50,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:27:50,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:27:50,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887737565] [2024-11-24 00:27:50,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:27:50,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:27:50,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:50,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:27:50,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:50,502 INFO L87 Difference]: Start difference. First operand 6752 states and 9516 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-24 00:27:50,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:50,783 INFO L93 Difference]: Finished difference Result 13490 states and 19132 transitions. [2024-11-24 00:27:50,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:27:50,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 347 [2024-11-24 00:27:50,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:50,830 INFO L225 Difference]: With dead ends: 13490 [2024-11-24 00:27:50,830 INFO L226 Difference]: Without dead ends: 6759 [2024-11-24 00:27:50,856 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 [2024-11-24 00:27:50,857 INFO L435 NwaCegarLoop]: 1531 mSDtfsCounter, 0 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3057 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:50,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3057 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:27:50,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6759 states. [2024-11-24 00:27:51,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6759 to 6759. [2024-11-24 00:27:51,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6759 states, 5094 states have (on average 1.3568904593639577) internal successors, (6912), 5146 states have internal predecessors, (6912), 1301 states have call successors, (1301), 357 states have call predecessors, (1301), 363 states have return successors, (1310), 1298 states have call predecessors, (1310), 1299 states have call successors, (1310) [2024-11-24 00:27:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6759 states to 6759 states and 9523 transitions. [2024-11-24 00:27:51,188 INFO L78 Accepts]: Start accepts. Automaton has 6759 states and 9523 transitions. Word has length 347 [2024-11-24 00:27:51,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:51,189 INFO L471 AbstractCegarLoop]: Abstraction has 6759 states and 9523 transitions. [2024-11-24 00:27:51,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-24 00:27:51,189 INFO L276 IsEmpty]: Start isEmpty. Operand 6759 states and 9523 transitions. [2024-11-24 00:27:51,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-24 00:27:51,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:51,202 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:27:51,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 00:27:51,202 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:51,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:51,203 INFO L85 PathProgramCache]: Analyzing trace with hash 337813682, now seen corresponding path program 1 times [2024-11-24 00:27:51,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:51,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429435501] [2024-11-24 00:27:51,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:51,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-24 00:27:56,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:56,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429435501] [2024-11-24 00:27:56,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429435501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:27:56,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:27:56,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:27:56,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601023882] [2024-11-24 00:27:56,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:27:56,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:27:56,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:56,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:27:56,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:27:56,043 INFO L87 Difference]: Start difference. First operand 6759 states and 9523 transitions. Second operand has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-24 00:27:57,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:57,242 INFO L93 Difference]: Finished difference Result 13707 states and 19470 transitions. [2024-11-24 00:27:57,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:27:57,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 349 [2024-11-24 00:27:57,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:57,297 INFO L225 Difference]: With dead ends: 13707 [2024-11-24 00:27:57,298 INFO L226 Difference]: Without dead ends: 6969 [2024-11-24 00:27:57,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:27:57,325 INFO L435 NwaCegarLoop]: 1556 mSDtfsCounter, 25 mSDsluCounter, 6146 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 7702 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:57,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 7702 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 00:27:57,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6969 states. [2024-11-24 00:27:57,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6969 to 6885. [2024-11-24 00:27:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6885 states, 5213 states have (on average 1.358143103779014) internal successors, (7080), 5265 states have internal predecessors, (7080), 1301 states have call successors, (1301), 357 states have call predecessors, (1301), 370 states have return successors, (1331), 1305 states have call predecessors, (1331), 1299 states have call successors, (1331) [2024-11-24 00:27:57,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6885 states to 6885 states and 9712 transitions. [2024-11-24 00:27:57,655 INFO L78 Accepts]: Start accepts. Automaton has 6885 states and 9712 transitions. Word has length 349 [2024-11-24 00:27:57,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:57,657 INFO L471 AbstractCegarLoop]: Abstraction has 6885 states and 9712 transitions. [2024-11-24 00:27:57,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-24 00:27:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand 6885 states and 9712 transitions. [2024-11-24 00:27:57,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-24 00:27:57,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:57,665 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:27:57,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 00:27:57,666 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:57,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:57,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1680329508, now seen corresponding path program 1 times [2024-11-24 00:27:57,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:57,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278810021] [2024-11-24 00:27:57,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:57,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:28:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:02,861 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-24 00:28:02,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:28:02,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278810021] [2024-11-24 00:28:02,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278810021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:28:02,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:28:02,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:28:02,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252421825] [2024-11-24 00:28:02,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:28:02,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:28:02,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:28:02,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:28:02,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:28:02,864 INFO L87 Difference]: Start difference. First operand 6885 states and 9712 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-24 00:28:03,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:28:03,183 INFO L93 Difference]: Finished difference Result 13777 states and 19545 transitions. [2024-11-24 00:28:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:28:03,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 352 [2024-11-24 00:28:03,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:28:03,236 INFO L225 Difference]: With dead ends: 13777 [2024-11-24 00:28:03,236 INFO L226 Difference]: Without dead ends: 6913 [2024-11-24 00:28:03,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:28:03,266 INFO L435 NwaCegarLoop]: 1530 mSDtfsCounter, 0 mSDsluCounter, 4584 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6114 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:28:03,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6114 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:28:03,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2024-11-24 00:28:03,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6913. [2024-11-24 00:28:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6913 states, 5234 states have (on average 1.3567061520825372) internal successors, (7101), 5286 states have internal predecessors, (7101), 1301 states have call successors, (1301), 357 states have call predecessors, (1301), 377 states have return successors, (1338), 1312 states have call predecessors, (1338), 1299 states have call successors, (1338) [2024-11-24 00:28:03,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 9740 transitions. [2024-11-24 00:28:03,611 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 9740 transitions. Word has length 352 [2024-11-24 00:28:03,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:28:03,613 INFO L471 AbstractCegarLoop]: Abstraction has 6913 states and 9740 transitions. [2024-11-24 00:28:03,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-24 00:28:03,613 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 9740 transitions. [2024-11-24 00:28:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-24 00:28:03,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:28:03,622 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:28:03,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 00:28:03,622 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:28:03,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:28:03,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1583815992, now seen corresponding path program 1 times [2024-11-24 00:28:03,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:28:03,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734851499] [2024-11-24 00:28:03,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:03,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:28:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 00:28:11,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:28:11,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734851499] [2024-11-24 00:28:11,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734851499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:28:11,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147705368] [2024-11-24 00:28:11,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:11,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:28:11,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:28:11,801 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:28:11,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 00:28:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:19,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 5105 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 00:28:19,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:28:20,002 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-24 00:28:20,002 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:28:20,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147705368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:28:20,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:28:20,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-24 00:28:20,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944593758] [2024-11-24 00:28:20,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:28:20,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:28:20,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:28:20,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:28:20,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:28:20,004 INFO L87 Difference]: Start difference. First operand 6913 states and 9740 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-24 00:28:20,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:28:20,376 INFO L93 Difference]: Finished difference Result 12976 states and 18285 transitions. [2024-11-24 00:28:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:28:20,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 354 [2024-11-24 00:28:20,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:28:20,422 INFO L225 Difference]: With dead ends: 12976 [2024-11-24 00:28:20,423 INFO L226 Difference]: Without dead ends: 6913 [2024-11-24 00:28:20,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:28:20,447 INFO L435 NwaCegarLoop]: 1529 mSDtfsCounter, 2 mSDsluCounter, 3050 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4579 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:28:20,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4579 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:28:20,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2024-11-24 00:28:20,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6913. [2024-11-24 00:28:20,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6913 states, 5234 states have (on average 1.3563240351547574) internal successors, (7099), 5286 states have internal predecessors, (7099), 1301 states have call successors, (1301), 357 states have call predecessors, (1301), 377 states have return successors, (1338), 1312 states have call predecessors, (1338), 1299 states have call successors, (1338) [2024-11-24 00:28:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 9738 transitions. [2024-11-24 00:28:20,780 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 9738 transitions. Word has length 354 [2024-11-24 00:28:20,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:28:20,781 INFO L471 AbstractCegarLoop]: Abstraction has 6913 states and 9738 transitions. [2024-11-24 00:28:20,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-24 00:28:20,781 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 9738 transitions. [2024-11-24 00:28:20,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-11-24 00:28:20,790 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:28:20,790 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:28:20,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 00:28:20,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:28:20,991 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:28:20,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:28:20,992 INFO L85 PathProgramCache]: Analyzing trace with hash -406988866, now seen corresponding path program 1 times [2024-11-24 00:28:20,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:28:20,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284752853] [2024-11-24 00:28:20,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:20,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:28:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-24 00:28:28,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:28:28,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284752853] [2024-11-24 00:28:28,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284752853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:28:28,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71210284] [2024-11-24 00:28:28,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:28,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:28:28,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:28:28,721 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:28:28,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 00:28:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:35,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 5111 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:28:35,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:28:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-24 00:28:37,521 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:28:37,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71210284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:28:37,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:28:37,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-24 00:28:37,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128035463] [2024-11-24 00:28:37,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:28:37,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:28:37,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:28:37,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:28:37,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:28:37,524 INFO L87 Difference]: Start difference. First operand 6913 states and 9738 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 4 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-24 00:28:38,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:28:38,280 INFO L93 Difference]: Finished difference Result 14043 states and 19912 transitions. [2024-11-24 00:28:38,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:28:38,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 4 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 358 [2024-11-24 00:28:38,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:28:38,323 INFO L225 Difference]: With dead ends: 14043 [2024-11-24 00:28:38,323 INFO L226 Difference]: Without dead ends: 7151 [2024-11-24 00:28:38,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:28:38,348 INFO L435 NwaCegarLoop]: 1526 mSDtfsCounter, 19 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 4558 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:28:38,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 4558 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:28:38,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7151 states. [2024-11-24 00:28:38,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7151 to 7109. [2024-11-24 00:28:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7109 states, 5381 states have (on average 1.353094220405129) internal successors, (7281), 5419 states have internal predecessors, (7281), 1343 states have call successors, (1343), 364 states have call predecessors, (1343), 384 states have return successors, (1387), 1368 states have call predecessors, (1387), 1341 states have call successors, (1387) [2024-11-24 00:28:38,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7109 states to 7109 states and 10011 transitions. [2024-11-24 00:28:38,782 INFO L78 Accepts]: Start accepts. Automaton has 7109 states and 10011 transitions. Word has length 358 [2024-11-24 00:28:38,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:28:38,783 INFO L471 AbstractCegarLoop]: Abstraction has 7109 states and 10011 transitions. [2024-11-24 00:28:38,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 4 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-24 00:28:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 7109 states and 10011 transitions. [2024-11-24 00:28:38,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-11-24 00:28:38,791 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:28:38,792 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:28:38,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 00:28:38,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-24 00:28:38,993 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:28:38,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:28:38,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1083445921, now seen corresponding path program 1 times [2024-11-24 00:28:38,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:28:38,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144742859] [2024-11-24 00:28:38,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:28:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:46,407 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-24 00:28:46,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:28:46,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144742859] [2024-11-24 00:28:46,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144742859] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:28:46,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68929725] [2024-11-24 00:28:46,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:46,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:28:46,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:28:46,409 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:28:46,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 00:28:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:54,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 5114 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-24 00:28:54,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:28:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-24 00:28:55,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:29:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-24 00:29:04,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68929725] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:29:04,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:29:04,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 19 [2024-11-24 00:29:04,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178382820] [2024-11-24 00:29:04,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:29:04,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-24 00:29:04,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:29:04,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-24 00:29:04,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:29:04,007 INFO L87 Difference]: Start difference. First operand 7109 states and 10011 transitions. Second operand has 19 states, 19 states have (on average 14.0) internal successors, (266), 13 states have internal predecessors, (266), 2 states have call successors, (65), 2 states have call predecessors, (65), 8 states have return successors, (67), 8 states have call predecessors, (67), 2 states have call successors, (67) [2024-11-24 00:29:09,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:29:13,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:29:13,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:29:13,467 INFO L93 Difference]: Finished difference Result 13364 states and 18827 transitions. [2024-11-24 00:29:13,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 00:29:13,482 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 14.0) internal successors, (266), 13 states have internal predecessors, (266), 2 states have call successors, (65), 2 states have call predecessors, (65), 8 states have return successors, (67), 8 states have call predecessors, (67), 2 states have call successors, (67) Word has length 360 [2024-11-24 00:29:13,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:29:13,523 INFO L225 Difference]: With dead ends: 13364 [2024-11-24 00:29:13,523 INFO L226 Difference]: Without dead ends: 7141 [2024-11-24 00:29:13,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 729 GetRequests, 712 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:29:13,552 INFO L435 NwaCegarLoop]: 1526 mSDtfsCounter, 0 mSDsluCounter, 18280 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19806 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:29:13,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19806 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2024-11-24 00:29:13,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7141 states. [2024-11-24 00:29:13,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7141 to 7131. [2024-11-24 00:29:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7131 states, 5397 states have (on average 1.352047433759496) internal successors, (7297), 5435 states have internal predecessors, (7297), 1343 states have call successors, (1343), 364 states have call predecessors, (1343), 390 states have return successors, (1407), 1374 states have call predecessors, (1407), 1341 states have call successors, (1407) [2024-11-24 00:29:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7131 states to 7131 states and 10047 transitions. [2024-11-24 00:29:13,946 INFO L78 Accepts]: Start accepts. Automaton has 7131 states and 10047 transitions. Word has length 360 [2024-11-24 00:29:13,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:29:13,947 INFO L471 AbstractCegarLoop]: Abstraction has 7131 states and 10047 transitions. [2024-11-24 00:29:13,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.0) internal successors, (266), 13 states have internal predecessors, (266), 2 states have call successors, (65), 2 states have call predecessors, (65), 8 states have return successors, (67), 8 states have call predecessors, (67), 2 states have call successors, (67) [2024-11-24 00:29:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 7131 states and 10047 transitions. [2024-11-24 00:29:13,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2024-11-24 00:29:13,956 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:29:13,957 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:29:13,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-24 00:29:14,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-24 00:29:14,158 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:29:14,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:29:14,159 INFO L85 PathProgramCache]: Analyzing trace with hash -127808900, now seen corresponding path program 1 times [2024-11-24 00:29:14,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:29:14,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822434816] [2024-11-24 00:29:14,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:14,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:29:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:29:19,520 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-24 00:29:19,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:29:19,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822434816] [2024-11-24 00:29:19,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822434816] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:29:19,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945133323] [2024-11-24 00:29:19,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:19,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:29:19,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:29:19,522 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:29:19,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 00:29:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:29:28,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 5181 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 00:29:28,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:29:29,024 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-24 00:29:29,025 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:29:29,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945133323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:29:29,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:29:29,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-24 00:29:29,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170569090] [2024-11-24 00:29:29,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:29:29,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:29:29,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:29:29,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:29:29,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:29:29,026 INFO L87 Difference]: Start difference. First operand 7131 states and 10047 transitions. Second operand has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-24 00:29:29,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:29:29,456 INFO L93 Difference]: Finished difference Result 14283 states and 20250 transitions. [2024-11-24 00:29:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:29:29,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 380 [2024-11-24 00:29:29,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:29:29,501 INFO L225 Difference]: With dead ends: 14283 [2024-11-24 00:29:29,501 INFO L226 Difference]: Without dead ends: 7152 [2024-11-24 00:29:29,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:29:29,523 INFO L435 NwaCegarLoop]: 1529 mSDtfsCounter, 5 mSDsluCounter, 3038 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4567 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:29:29,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4567 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:29:29,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7152 states. [2024-11-24 00:29:29,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7152 to 7131. [2024-11-24 00:29:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7131 states, 5397 states have (on average 1.350750416898277) internal successors, (7290), 5435 states have internal predecessors, (7290), 1343 states have call successors, (1343), 364 states have call predecessors, (1343), 390 states have return successors, (1407), 1374 states have call predecessors, (1407), 1341 states have call successors, (1407) [2024-11-24 00:29:29,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7131 states to 7131 states and 10040 transitions. [2024-11-24 00:29:29,848 INFO L78 Accepts]: Start accepts. Automaton has 7131 states and 10040 transitions. Word has length 380 [2024-11-24 00:29:29,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:29:29,849 INFO L471 AbstractCegarLoop]: Abstraction has 7131 states and 10040 transitions. [2024-11-24 00:29:29,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-24 00:29:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 7131 states and 10040 transitions. [2024-11-24 00:29:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2024-11-24 00:29:29,859 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:29:29,859 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:29:29,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-24 00:29:30,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-24 00:29:30,061 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:29:30,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:29:30,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1606295550, now seen corresponding path program 1 times [2024-11-24 00:29:30,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:29:30,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755586883] [2024-11-24 00:29:30,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:30,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:29:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:29:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-24 00:29:35,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:29:35,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755586883] [2024-11-24 00:29:35,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755586883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:29:35,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:29:35,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:29:35,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826591081] [2024-11-24 00:29:35,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:29:35,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:29:35,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:29:35,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:29:35,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:29:35,255 INFO L87 Difference]: Start difference. First operand 7131 states and 10040 transitions. Second operand has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-24 00:29:35,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:29:35,591 INFO L93 Difference]: Finished difference Result 14269 states and 20208 transitions. [2024-11-24 00:29:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:29:35,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 380 [2024-11-24 00:29:35,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:29:35,630 INFO L225 Difference]: With dead ends: 14269 [2024-11-24 00:29:35,630 INFO L226 Difference]: Without dead ends: 7159 [2024-11-24 00:29:35,652 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 [2024-11-24 00:29:35,653 INFO L435 NwaCegarLoop]: 1529 mSDtfsCounter, 0 mSDsluCounter, 3050 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4579 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:29:35,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4579 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:29:35,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7159 states. [2024-11-24 00:29:35,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7159 to 7159. [2024-11-24 00:29:35,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7159 states, 5425 states have (on average 1.3489400921658987) internal successors, (7318), 5463 states have internal predecessors, (7318), 1343 states have call successors, (1343), 364 states have call predecessors, (1343), 390 states have return successors, (1407), 1374 states have call predecessors, (1407), 1341 states have call successors, (1407) [2024-11-24 00:29:35,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7159 states to 7159 states and 10068 transitions. [2024-11-24 00:29:35,931 INFO L78 Accepts]: Start accepts. Automaton has 7159 states and 10068 transitions. Word has length 380 [2024-11-24 00:29:35,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:29:35,932 INFO L471 AbstractCegarLoop]: Abstraction has 7159 states and 10068 transitions. [2024-11-24 00:29:35,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-24 00:29:35,932 INFO L276 IsEmpty]: Start isEmpty. Operand 7159 states and 10068 transitions. [2024-11-24 00:29:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-11-24 00:29:35,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:29:35,940 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:29:35,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 00:29:35,940 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:29:35,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:29:35,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1442826033, now seen corresponding path program 1 times [2024-11-24 00:29:35,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:29:35,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759820993] [2024-11-24 00:29:35,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:35,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:29:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:29:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-24 00:29:44,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:29:44,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759820993] [2024-11-24 00:29:44,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759820993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:29:44,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651582676] [2024-11-24 00:29:44,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:44,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:29:44,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:29:44,724 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:29:44,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-24 00:29:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:29:53,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 5238 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 00:29:53,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:29:53,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:29:53,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:29:54,745 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-24 00:29:54,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:30:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-24 00:30:02,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651582676] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:30:02,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:30:02,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 14 [2024-11-24 00:30:02,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406131910] [2024-11-24 00:30:02,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:30:02,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:30:02,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:30:02,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:30:02,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:30:02,781 INFO L87 Difference]: Start difference. First operand 7159 states and 10068 transitions. Second operand has 14 states, 14 states have (on average 20.142857142857142) internal successors, (282), 10 states have internal predecessors, (282), 5 states have call successors, (72), 3 states have call predecessors, (72), 7 states have return successors, (72), 9 states have call predecessors, (72), 5 states have call successors, (72) [2024-11-24 00:30:06,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:30:11,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:30:23,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:30:32,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:30:36,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:30:41,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:30:45,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:30:49,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:30:53,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:30:57,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:31:01,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:05,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:09,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:14,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:20,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:24,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:28,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:32,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:36,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:40,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:44,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:48,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:52,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:31:56,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:32:00,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:32:04,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:32:05,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:05,774 INFO L93 Difference]: Finished difference Result 17942 states and 25348 transitions. [2024-11-24 00:32:05,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:32:05,775 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.142857142857142) internal successors, (282), 10 states have internal predecessors, (282), 5 states have call successors, (72), 3 states have call predecessors, (72), 7 states have return successors, (72), 9 states have call predecessors, (72), 5 states have call successors, (72) Word has length 401 [2024-11-24 00:32:05,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:05,824 INFO L225 Difference]: With dead ends: 17942 [2024-11-24 00:32:05,824 INFO L226 Difference]: Without dead ends: 11526 [2024-11-24 00:32:05,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 814 GetRequests, 797 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:32:05,841 INFO L435 NwaCegarLoop]: 1682 mSDtfsCounter, 934 mSDsluCounter, 12747 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 13 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 14429 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:05,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 14429 Invalid, 1389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1350 Invalid, 26 Unknown, 0 Unchecked, 121.5s Time] [2024-11-24 00:32:05,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11526 states. [2024-11-24 00:32:06,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11526 to 11394. [2024-11-24 00:32:06,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11394 states, 8689 states have (on average 1.3590746921394867) internal successors, (11809), 8750 states have internal predecessors, (11809), 2051 states have call successors, (2051), 605 states have call predecessors, (2051), 653 states have return successors, (2273), 2096 states have call predecessors, (2273), 2049 states have call successors, (2273) [2024-11-24 00:32:06,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11394 states to 11394 states and 16133 transitions. [2024-11-24 00:32:06,390 INFO L78 Accepts]: Start accepts. Automaton has 11394 states and 16133 transitions. Word has length 401 [2024-11-24 00:32:06,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:06,391 INFO L471 AbstractCegarLoop]: Abstraction has 11394 states and 16133 transitions. [2024-11-24 00:32:06,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.142857142857142) internal successors, (282), 10 states have internal predecessors, (282), 5 states have call successors, (72), 3 states have call predecessors, (72), 7 states have return successors, (72), 9 states have call predecessors, (72), 5 states have call successors, (72) [2024-11-24 00:32:06,391 INFO L276 IsEmpty]: Start isEmpty. Operand 11394 states and 16133 transitions. [2024-11-24 00:32:06,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-11-24 00:32:06,402 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:06,403 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:32:06,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-24 00:32:06,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-24 00:32:06,603 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:06,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:06,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1519729121, now seen corresponding path program 1 times [2024-11-24 00:32:06,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:06,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595516156] [2024-11-24 00:32:06,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:06,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:11,162 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-24 00:32:11,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:11,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595516156] [2024-11-24 00:32:11,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595516156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:11,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:11,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:11,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292544461] [2024-11-24 00:32:11,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:11,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:11,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:11,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:11,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:11,164 INFO L87 Difference]: Start difference. First operand 11394 states and 16133 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-24 00:32:11,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:11,706 INFO L93 Difference]: Finished difference Result 22742 states and 32493 transitions. [2024-11-24 00:32:11,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:11,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 341 [2024-11-24 00:32:11,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:11,775 INFO L225 Difference]: With dead ends: 22742 [2024-11-24 00:32:11,775 INFO L226 Difference]: Without dead ends: 11373 [2024-11-24 00:32:11,814 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 [2024-11-24 00:32:11,815 INFO L435 NwaCegarLoop]: 1528 mSDtfsCounter, 7 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:11,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3053 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:32:11,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11373 states. [2024-11-24 00:32:12,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11373 to 11317. [2024-11-24 00:32:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11317 states, 8633 states have (on average 1.3581605467392563) internal successors, (11725), 8715 states have internal predecessors, (11725), 2037 states have call successors, (2037), 605 states have call predecessors, (2037), 646 states have return successors, (2231), 2054 states have call predecessors, (2231), 2035 states have call successors, (2231) [2024-11-24 00:32:12,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11317 states to 11317 states and 15993 transitions. [2024-11-24 00:32:12,244 INFO L78 Accepts]: Start accepts. Automaton has 11317 states and 15993 transitions. Word has length 341 [2024-11-24 00:32:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:12,245 INFO L471 AbstractCegarLoop]: Abstraction has 11317 states and 15993 transitions. [2024-11-24 00:32:12,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-24 00:32:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 11317 states and 15993 transitions. [2024-11-24 00:32:12,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2024-11-24 00:32:12,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:12,258 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:32:12,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 00:32:12,259 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:12,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:12,259 INFO L85 PathProgramCache]: Analyzing trace with hash 708519877, now seen corresponding path program 1 times [2024-11-24 00:32:12,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:12,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977215715] [2024-11-24 00:32:12,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:12,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:17,322 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2024-11-24 00:32:17,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:17,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977215715] [2024-11-24 00:32:17,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977215715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:32:17,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891325757] [2024-11-24 00:32:17,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:17,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:32:17,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:32:17,325 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:32:17,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-24 00:32:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:26,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 5261 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:32:26,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:32:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2024-11-24 00:32:26,528 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:32:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2024-11-24 00:32:33,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891325757] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:32:33,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:32:33,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-24 00:32:33,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149643559] [2024-11-24 00:32:33,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:32:33,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:32:33,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:33,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:32:33,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:32:33,800 INFO L87 Difference]: Start difference. First operand 11317 states and 15993 transitions. Second operand has 7 states, 7 states have (on average 27.857142857142858) internal successors, (195), 7 states have internal predecessors, (195), 5 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) [2024-11-24 00:32:34,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:34,889 INFO L93 Difference]: Finished difference Result 22309 states and 31749 transitions. [2024-11-24 00:32:34,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:32:34,889 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.857142857142858) internal successors, (195), 7 states have internal predecessors, (195), 5 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) Word has length 415 [2024-11-24 00:32:34,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:34,954 INFO L225 Difference]: With dead ends: 22309 [2024-11-24 00:32:34,954 INFO L226 Difference]: Without dead ends: 11506 [2024-11-24 00:32:35,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 827 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:32:35,135 INFO L435 NwaCegarLoop]: 1528 mSDtfsCounter, 20 mSDsluCounter, 4574 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 6102 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:35,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 6102 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:32:35,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11506 states. [2024-11-24 00:32:35,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11506 to 11506. [2024-11-24 00:32:35,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11506 states, 8780 states have (on average 1.3545558086560365) internal successors, (11893), 8862 states have internal predecessors, (11893), 2079 states have call successors, (2079), 605 states have call predecessors, (2079), 646 states have return successors, (2273), 2096 states have call predecessors, (2273), 2077 states have call successors, (2273) [2024-11-24 00:32:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11506 states to 11506 states and 16245 transitions. [2024-11-24 00:32:35,596 INFO L78 Accepts]: Start accepts. Automaton has 11506 states and 16245 transitions. Word has length 415 [2024-11-24 00:32:35,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:35,597 INFO L471 AbstractCegarLoop]: Abstraction has 11506 states and 16245 transitions. [2024-11-24 00:32:35,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.857142857142858) internal successors, (195), 7 states have internal predecessors, (195), 5 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) [2024-11-24 00:32:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 11506 states and 16245 transitions. [2024-11-24 00:32:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-11-24 00:32:35,608 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:35,608 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:32:35,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-24 00:32:35,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-24 00:32:35,809 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:35,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:35,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2019387828, now seen corresponding path program 1 times [2024-11-24 00:32:35,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:35,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086663312] [2024-11-24 00:32:35,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:35,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-24 00:32:42,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:42,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086663312] [2024-11-24 00:32:42,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086663312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:32:42,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067207818] [2024-11-24 00:32:42,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:42,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:32:42,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:32:42,242 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:32:42,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-24 00:32:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:52,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 5298 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:32:52,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:32:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-24 00:32:54,482 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:33:06,653 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-24 00:33:06,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067207818] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:33:06,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:33:06,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2024-11-24 00:33:06,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657277303] [2024-11-24 00:33:06,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:33:06,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-24 00:33:06,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:06,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-24 00:33:06,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:33:06,656 INFO L87 Difference]: Start difference. First operand 11506 states and 16245 transitions. Second operand has 21 states, 21 states have (on average 11.142857142857142) internal successors, (234), 21 states have internal predecessors, (234), 14 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (64), 14 states have call predecessors, (64), 14 states have call successors, (64) [2024-11-24 00:33:12,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:12,147 INFO L93 Difference]: Finished difference Result 24807 states and 35405 transitions. [2024-11-24 00:33:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-24 00:33:12,148 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 11.142857142857142) internal successors, (234), 21 states have internal predecessors, (234), 14 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (64), 14 states have call predecessors, (64), 14 states have call successors, (64) Word has length 430 [2024-11-24 00:33:12,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:12,247 INFO L225 Difference]: With dead ends: 24807 [2024-11-24 00:33:12,247 INFO L226 Difference]: Without dead ends: 12934 [2024-11-24 00:33:12,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 884 GetRequests, 848 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=431, Invalid=975, Unknown=0, NotChecked=0, Total=1406 [2024-11-24 00:33:12,551 INFO L435 NwaCegarLoop]: 1540 mSDtfsCounter, 214 mSDsluCounter, 6208 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 7748 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:12,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 7748 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 00:33:12,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12934 states. [2024-11-24 00:33:13,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12934 to 12682. [2024-11-24 00:33:13,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12682 states, 9620 states have (on average 1.3410602910602911) internal successors, (12901), 9702 states have internal predecessors, (12901), 2415 states have call successors, (2415), 605 states have call predecessors, (2415), 646 states have return successors, (2609), 2432 states have call predecessors, (2609), 2413 states have call successors, (2609) [2024-11-24 00:33:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12682 states to 12682 states and 17925 transitions. [2024-11-24 00:33:13,294 INFO L78 Accepts]: Start accepts. Automaton has 12682 states and 17925 transitions. Word has length 430 [2024-11-24 00:33:13,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:13,295 INFO L471 AbstractCegarLoop]: Abstraction has 12682 states and 17925 transitions. [2024-11-24 00:33:13,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 11.142857142857142) internal successors, (234), 21 states have internal predecessors, (234), 14 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (64), 14 states have call predecessors, (64), 14 states have call successors, (64) [2024-11-24 00:33:13,295 INFO L276 IsEmpty]: Start isEmpty. Operand 12682 states and 17925 transitions. [2024-11-24 00:33:13,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-24 00:33:13,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:13,305 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:33:13,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-24 00:33:13,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-24 00:33:13,505 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:33:13,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:13,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1945125958, now seen corresponding path program 1 times [2024-11-24 00:33:13,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:13,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983932506] [2024-11-24 00:33:13,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:13,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-24 00:33:21,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:21,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983932506] [2024-11-24 00:33:21,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983932506] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:33:21,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295194642] [2024-11-24 00:33:21,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:21,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:33:21,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:21,615 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:33:21,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-24 00:33:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:30,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 4706 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-24 00:33:30,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:33:32,061 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-24 00:33:32,062 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:33:32,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295194642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:32,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:33:32,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2024-11-24 00:33:32,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486235610] [2024-11-24 00:33:32,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:32,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:33:32,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:32,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:33:32,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:33:32,065 INFO L87 Difference]: Start difference. First operand 12682 states and 17925 transitions. Second operand has 8 states, 8 states have (on average 19.25) internal successors, (154), 6 states have internal predecessors, (154), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-24 00:33:33,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:33,161 INFO L93 Difference]: Finished difference Result 23799 states and 33630 transitions. [2024-11-24 00:33:33,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:33:33,162 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 6 states have internal predecessors, (154), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) Word has length 306 [2024-11-24 00:33:33,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:33,228 INFO L225 Difference]: With dead ends: 23799 [2024-11-24 00:33:33,228 INFO L226 Difference]: Without dead ends: 12696 [2024-11-24 00:33:33,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:33:33,263 INFO L435 NwaCegarLoop]: 1530 mSDtfsCounter, 0 mSDsluCounter, 9167 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10697 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:33,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10697 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:33:33,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12696 states. [2024-11-24 00:33:34,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12696 to 12686. [2024-11-24 00:33:34,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12686 states, 9624 states have (on average 1.3409185369908563) internal successors, (12905), 9704 states have internal predecessors, (12905), 2415 states have call successors, (2415), 605 states have call predecessors, (2415), 646 states have return successors, (2609), 2434 states have call predecessors, (2609), 2413 states have call successors, (2609) [2024-11-24 00:33:34,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12686 states to 12686 states and 17929 transitions. [2024-11-24 00:33:34,100 INFO L78 Accepts]: Start accepts. Automaton has 12686 states and 17929 transitions. Word has length 306 [2024-11-24 00:33:34,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:34,100 INFO L471 AbstractCegarLoop]: Abstraction has 12686 states and 17929 transitions. [2024-11-24 00:33:34,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 6 states have internal predecessors, (154), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-24 00:33:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 12686 states and 17929 transitions. [2024-11-24 00:33:34,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-24 00:33:34,110 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:34,111 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:33:34,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-24 00:33:34,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6372f6-4246-44c0-8bca-60f422876360/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-24 00:33:34,311 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:33:34,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:34,312 INFO L85 PathProgramCache]: Analyzing trace with hash 356291430, now seen corresponding path program 2 times [2024-11-24 00:33:34,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:34,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217298115] [2024-11-24 00:33:34,312 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:33:34,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms