./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'd64c35979b88bf9b171c1df31d5b42b5b768a786e3410f784a07dbf2e87e71fd'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d64c35979b88bf9b171c1df31d5b42b5b768a786e3410f784a07dbf2e87e71fd --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 13:03:09,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 13:03:09,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 13:03:09,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 13:03:09,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 13:03:09,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 13:03:09,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 13:03:09,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 13:03:09,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 13:03:09,267 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 13:03:09,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 13:03:09,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 13:03:09,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 13:03:09,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 13:03:09,268 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 13:03:09,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 13:03:09,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 13:03:09,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 13:03:09,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 13:03:09,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 13:03:09,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 13:03:09,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 13:03:09,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 13:03:09,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 13:03:09,270 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 13:03:09,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 13:03:09,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 13:03:09,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 13:03:09,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 13:03:09,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:03:09,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 13:03:09,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 13:03:09,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 13:03:09,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 13:03:09,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 13:03:09,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 13:03:09,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 13:03:09,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 13:03:09,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 13:03:09,272 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d64c35979b88bf9b171c1df31d5b42b5b768a786e3410f784a07dbf2e87e71fd [2024-11-07 13:03:09,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 13:03:09,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 13:03:09,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 13:03:09,571 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 13:03:09,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 13:03:09,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2024-11-07 13:03:10,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 13:03:11,504 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 13:03:11,505 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2024-11-07 13:03:11,545 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a7a58377/3778aff3e0294bb981af3ff15e3ff93d/FLAG951739bce [2024-11-07 13:03:11,986 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a7a58377/3778aff3e0294bb981af3ff15e3ff93d [2024-11-07 13:03:11,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 13:03:11,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 13:03:11,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 13:03:11,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 13:03:11,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 13:03:11,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:03:11" (1/1) ... [2024-11-07 13:03:11,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ed2bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:11, skipping insertion in model container [2024-11-07 13:03:11,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:03:11" (1/1) ... [2024-11-07 13:03:12,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 13:03:12,495 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2024-11-07 13:03:12,496 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2024-11-07 13:03:12,807 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2024-11-07 13:03:13,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:03:13,486 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 13:03:13,592 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2024-11-07 13:03:13,593 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2024-11-07 13:03:13,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3798] [2024-11-07 13:03:13,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3847] [2024-11-07 13:03:13,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3850] [2024-11-07 13:03:13,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3853] [2024-11-07 13:03:13,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3856] [2024-11-07 13:03:13,612 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2024-11-07 13:03:13,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5355-5356] [2024-11-07 13:03:13,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5360-5361] [2024-11-07 13:03:13,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [5365-5366] [2024-11-07 13:03:13,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [5370-5371] [2024-11-07 13:03:13,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___16->state): : "memory", "cc"); [5454-5455] [2024-11-07 13:03:13,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [5459-5460] [2024-11-07 13:03:13,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [5464-5465] [2024-11-07 13:03:13,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___19->state): : "memory", "cc"); [5469-5470] [2024-11-07 13:03:13,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:03:13,847 INFO L204 MainTranslator]: Completed translation [2024-11-07 13:03:13,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13 WrapperNode [2024-11-07 13:03:13,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 13:03:13,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 13:03:13,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 13:03:13,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 13:03:13,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (1/1) ... [2024-11-07 13:03:13,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (1/1) ... [2024-11-07 13:03:14,039 INFO L138 Inliner]: procedures = 172, calls = 1059, calls flagged for inlining = 82, calls inlined = 52, statements flattened = 1837 [2024-11-07 13:03:14,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 13:03:14,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 13:03:14,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 13:03:14,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 13:03:14,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (1/1) ... [2024-11-07 13:03:14,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (1/1) ... [2024-11-07 13:03:14,063 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (1/1) ... [2024-11-07 13:03:14,249 INFO L175 MemorySlicer]: Split 247 memory accesses to 8 slices as follows [2, 8, 116, 17, 45, 23, 28, 8]. 47 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 8, 1, 0, 0, 0, 0, 8]. The 152 writes are split as follows [0, 0, 43, 17, 45, 23, 24, 0]. [2024-11-07 13:03:14,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (1/1) ... [2024-11-07 13:03:14,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (1/1) ... [2024-11-07 13:03:14,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (1/1) ... [2024-11-07 13:03:14,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (1/1) ... [2024-11-07 13:03:14,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (1/1) ... [2024-11-07 13:03:14,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (1/1) ... [2024-11-07 13:03:14,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 13:03:14,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 13:03:14,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 13:03:14,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 13:03:14,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (1/1) ... [2024-11-07 13:03:14,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:03:14,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:03:14,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 13:03:14,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 13:03:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2024-11-07 13:03:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2024-11-07 13:03:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-07 13:03:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-07 13:03:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 13:03:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 13:03:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 13:03:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 13:03:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 13:03:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 13:03:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 13:03:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2024-11-07 13:03:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-07 13:03:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 13:03:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-07 13:03:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 13:03:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-07 13:03:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2024-11-07 13:03:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2024-11-07 13:03:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-07 13:03:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-07 13:03:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2024-11-07 13:03:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 13:03:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2024-11-07 13:03:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2024-11-07 13:03:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2024-11-07 13:03:14,491 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 13:03:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 13:03:14,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 13:03:14,491 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2024-11-07 13:03:14,494 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2024-11-07 13:03:14,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 13:03:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2024-11-07 13:03:14,495 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2024-11-07 13:03:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 13:03:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 13:03:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 13:03:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 13:03:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 13:03:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 13:03:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 13:03:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 13:03:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 13:03:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-07 13:03:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-07 13:03:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-07 13:03:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-07 13:03:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2024-11-07 13:03:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2024-11-07 13:03:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 13:03:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 13:03:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-07 13:03:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2024-11-07 13:03:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-07 13:03:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-07 13:03:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2024-11-07 13:03:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 13:03:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2024-11-07 13:03:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2024-11-07 13:03:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2024-11-07 13:03:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-07 13:03:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 13:03:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2024-11-07 13:03:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2024-11-07 13:03:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2024-11-07 13:03:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-07 13:03:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-07 13:03:15,008 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 13:03:15,011 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 13:03:15,078 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-07 13:03:21,663 INFO L? ?]: Removed 768 outVars from TransFormulas that were not future-live. [2024-11-07 13:03:21,664 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 13:03:21,699 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 13:03:21,699 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 13:03:21,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:03:21 BoogieIcfgContainer [2024-11-07 13:03:21,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 13:03:21,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 13:03:21,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 13:03:21,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 13:03:21,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:03:11" (1/3) ... [2024-11-07 13:03:21,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6633858c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:03:21, skipping insertion in model container [2024-11-07 13:03:21,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:13" (2/3) ... [2024-11-07 13:03:21,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6633858c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:03:21, skipping insertion in model container [2024-11-07 13:03:21,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:03:21" (3/3) ... [2024-11-07 13:03:21,716 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2024-11-07 13:03:21,731 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 13:03:21,734 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 13:03:21,823 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 13:03:21,835 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;@295f1991, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 13:03:21,836 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 13:03:21,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 614 states, 458 states have (on average 1.3799126637554586) internal successors, (632), 470 states have internal predecessors, (632), 119 states have call successors, (119), 36 states have call predecessors, (119), 35 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-07 13:03:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 13:03:21,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:03:21,864 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:03:21,864 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:03:21,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:03:21,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1362157306, now seen corresponding path program 1 times [2024-11-07 13:03:21,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:03:21,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567905022] [2024-11-07 13:03:21,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:03:21,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:03:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:23,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:03:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:23,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:03:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:23,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:03:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:23,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 13:03:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:23,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 13:03:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:23,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 13:03:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 13:03:23,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:03:23,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567905022] [2024-11-07 13:03:23,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567905022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:03:23,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:03:23,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:03:23,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254068198] [2024-11-07 13:03:23,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:03:23,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:03:23,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:03:23,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:03:23,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:03:23,751 INFO L87 Difference]: Start difference. First operand has 614 states, 458 states have (on average 1.3799126637554586) internal successors, (632), 470 states have internal predecessors, (632), 119 states have call successors, (119), 36 states have call predecessors, (119), 35 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 13:03:27,792 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 [] [2024-11-07 13:03:31,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:03:35,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:03:41,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:03:41,505 INFO L93 Difference]: Finished difference Result 1810 states and 2587 transitions. [2024-11-07 13:03:41,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 13:03:41,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 59 [2024-11-07 13:03:41,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:03:41,526 INFO L225 Difference]: With dead ends: 1810 [2024-11-07 13:03:41,526 INFO L226 Difference]: Without dead ends: 1168 [2024-11-07 13:03:41,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-07 13:03:41,537 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 1865 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 866 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 1841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 866 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2024-11-07 13:03:41,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1939 Valid, 1788 Invalid, 1841 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [866 Valid, 972 Invalid, 3 Unknown, 0 Unchecked, 17.1s Time] [2024-11-07 13:03:41,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2024-11-07 13:03:41,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1046. [2024-11-07 13:03:41,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 791 states have (on average 1.3666245259165613) internal successors, (1081), 798 states have internal predecessors, (1081), 190 states have call successors, (190), 65 states have call predecessors, (190), 64 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-11-07 13:03:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1460 transitions. [2024-11-07 13:03:41,737 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1460 transitions. Word has length 59 [2024-11-07 13:03:41,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:03:41,738 INFO L471 AbstractCegarLoop]: Abstraction has 1046 states and 1460 transitions. [2024-11-07 13:03:41,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 13:03:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1460 transitions. [2024-11-07 13:03:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 13:03:41,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:03:41,752 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:03:41,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 13:03:41,753 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:03:41,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:03:41,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1273588796, now seen corresponding path program 1 times [2024-11-07 13:03:41,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:03:41,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272362617] [2024-11-07 13:03:41,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:03:41,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:03:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:42,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:03:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:42,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:03:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:42,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:03:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:42,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 13:03:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:42,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 13:03:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:42,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 13:03:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:42,889 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 13:03:42,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:03:42,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272362617] [2024-11-07 13:03:42,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272362617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:03:42,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:03:42,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 13:03:42,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579462847] [2024-11-07 13:03:42,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:03:42,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 13:03:42,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:03:42,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 13:03:42,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 13:03:42,895 INFO L87 Difference]: Start difference. First operand 1046 states and 1460 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 13:03:46,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:03:50,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:03:54,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:03:54,479 INFO L93 Difference]: Finished difference Result 2464 states and 3434 transitions. [2024-11-07 13:03:54,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 13:03:54,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 69 [2024-11-07 13:03:54,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:03:54,494 INFO L225 Difference]: With dead ends: 2464 [2024-11-07 13:03:54,494 INFO L226 Difference]: Without dead ends: 1445 [2024-11-07 13:03:54,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 13:03:54,500 INFO L432 NwaCegarLoop]: 730 mSDtfsCounter, 759 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 332 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 2166 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-07 13:03:54,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 2166 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 1043 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2024-11-07 13:03:54,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2024-11-07 13:03:54,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1362. [2024-11-07 13:03:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 1036 states have (on average 1.356177606177606) internal successors, (1405), 1045 states have internal predecessors, (1405), 238 states have call successors, (238), 88 states have call predecessors, (238), 87 states have return successors, (237), 236 states have call predecessors, (237), 237 states have call successors, (237) [2024-11-07 13:03:54,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1880 transitions. [2024-11-07 13:03:54,612 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1880 transitions. Word has length 69 [2024-11-07 13:03:54,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:03:54,613 INFO L471 AbstractCegarLoop]: Abstraction has 1362 states and 1880 transitions. [2024-11-07 13:03:54,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 13:03:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1880 transitions. [2024-11-07 13:03:54,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 13:03:54,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:03:54,620 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-07 13:03:54,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 13:03:54,620 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:03:54,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:03:54,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1331737469, now seen corresponding path program 1 times [2024-11-07 13:03:54,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:03:54,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77378210] [2024-11-07 13:03:54,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:03:54,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:03:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:55,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:03:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:55,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:03:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:55,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:03:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:55,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 13:03:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:55,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 13:03:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:55,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 13:03:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:55,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 13:03:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:55,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 13:03:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:55,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 13:03:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:03:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-07 13:03:55,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:03:55,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77378210] [2024-11-07 13:03:55,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77378210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:03:55,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:03:55,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:03:55,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585178292] [2024-11-07 13:03:55,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:03:55,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:03:55,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:03:55,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:03:55,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:03:55,655 INFO L87 Difference]: Start difference. First operand 1362 states and 1880 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-07 13:03:59,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:04:03,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:04:07,751 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 [] [2024-11-07 13:04:11,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:04:11,435 INFO L93 Difference]: Finished difference Result 1504 states and 2094 transitions. [2024-11-07 13:04:11,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 13:04:11,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 90 [2024-11-07 13:04:11,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:04:11,446 INFO L225 Difference]: With dead ends: 1504 [2024-11-07 13:04:11,446 INFO L226 Difference]: Without dead ends: 1501 [2024-11-07 13:04:11,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 13:04:11,449 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 663 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 400 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 400 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2024-11-07 13:04:11,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 1727 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [400 Valid, 951 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2024-11-07 13:04:11,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-11-07 13:04:11,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1365. [2024-11-07 13:04:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1365 states, 1039 states have (on average 1.3551491819056785) internal successors, (1408), 1048 states have internal predecessors, (1408), 238 states have call successors, (238), 88 states have call predecessors, (238), 87 states have return successors, (237), 236 states have call predecessors, (237), 237 states have call successors, (237) [2024-11-07 13:04:11,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 1883 transitions. [2024-11-07 13:04:11,533 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 1883 transitions. Word has length 90 [2024-11-07 13:04:11,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:04:11,535 INFO L471 AbstractCegarLoop]: Abstraction has 1365 states and 1883 transitions. [2024-11-07 13:04:11,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-07 13:04:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1883 transitions. [2024-11-07 13:04:11,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 13:04:11,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:04:11,543 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-07 13:04:11,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 13:04:11,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:04:11,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:04:11,544 INFO L85 PathProgramCache]: Analyzing trace with hash 99430359, now seen corresponding path program 1 times [2024-11-07 13:04:11,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:04:11,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124116633] [2024-11-07 13:04:11,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:04:11,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:04:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:12,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:04:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:12,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:04:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:12,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:04:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:12,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 13:04:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:12,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 13:04:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:12,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 13:04:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:12,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 13:04:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:12,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 13:04:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:12,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 13:04:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-07 13:04:12,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:04:12,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124116633] [2024-11-07 13:04:12,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124116633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:04:12,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:04:12,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 13:04:12,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453602620] [2024-11-07 13:04:12,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:04:12,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 13:04:12,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:04:12,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 13:04:12,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 13:04:12,874 INFO L87 Difference]: Start difference. First operand 1365 states and 1883 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-07 13:04:16,896 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 [] [2024-11-07 13:04:20,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:04:24,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:04:28,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:04:28,467 INFO L93 Difference]: Finished difference Result 2860 states and 3957 transitions. [2024-11-07 13:04:28,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 13:04:28,468 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-07 13:04:28,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:04:28,478 INFO L225 Difference]: With dead ends: 2860 [2024-11-07 13:04:28,479 INFO L226 Difference]: Without dead ends: 1525 [2024-11-07 13:04:28,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-07 13:04:28,485 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 1128 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 480 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2024-11-07 13:04:28,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 1876 Invalid, 1593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [480 Valid, 1110 Invalid, 3 Unknown, 0 Unchecked, 15.2s Time] [2024-11-07 13:04:28,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2024-11-07 13:04:28,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1389. [2024-11-07 13:04:28,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 1054 states have (on average 1.3462998102466792) internal successors, (1419), 1063 states have internal predecessors, (1419), 238 states have call successors, (238), 97 states have call predecessors, (238), 96 states have return successors, (237), 236 states have call predecessors, (237), 237 states have call successors, (237) [2024-11-07 13:04:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1894 transitions. [2024-11-07 13:04:28,576 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1894 transitions. Word has length 92 [2024-11-07 13:04:28,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:04:28,576 INFO L471 AbstractCegarLoop]: Abstraction has 1389 states and 1894 transitions. [2024-11-07 13:04:28,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-07 13:04:28,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1894 transitions. [2024-11-07 13:04:28,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 13:04:28,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:04:28,585 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-07 13:04:28,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 13:04:28,585 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:04:28,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:04:28,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1251050197, now seen corresponding path program 1 times [2024-11-07 13:04:28,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:04:28,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118692254] [2024-11-07 13:04:28,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:04:28,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:04:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:29,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:04:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:29,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:04:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:29,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:04:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:29,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 13:04:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:29,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 13:04:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:29,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 13:04:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:29,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 13:04:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:29,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 13:04:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:29,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 13:04:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-07 13:04:29,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:04:29,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118692254] [2024-11-07 13:04:29,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118692254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:04:29,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:04:29,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:04:29,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542975474] [2024-11-07 13:04:29,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:04:29,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:04:29,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:04:29,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:04:29,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:04:29,767 INFO L87 Difference]: Start difference. First operand 1389 states and 1894 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-07 13:04:33,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:04:37,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []