./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1 --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 045b49e5089f039c3b28eef4cf3a9c907cbda8f22472af0061e42bad883dd2f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:04:53,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:04:53,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 12:04:53,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:04:53,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:04:53,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:04:53,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:04:53,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:04:53,877 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:04:53,877 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:04:53,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:04:53,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:04:53,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:04:53,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:04:53,878 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:04:53,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:04:53,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:04:53,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:04:53,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:04:53,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:04:53,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:04:53,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:04:53,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:04:53,879 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:04:53,879 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:04:53,879 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:04:53,879 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:04:53,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:04:53,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:04:53,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:04:53,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:04:53,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:04:53,880 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:04:53,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:04:53,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:04:53,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:04:53,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:04:53,880 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:04:53,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:04:53,880 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:04:53,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:04:53,881 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:04:53,881 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:04:53,881 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:04:53,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:04:53,881 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_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1 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 -> 045b49e5089f039c3b28eef4cf3a9c907cbda8f22472af0061e42bad883dd2f9 [2024-12-02 12:04:54,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:04:54,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:04:54,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:04:54,134 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:04:54,134 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:04:54,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2024-12-02 12:04:56,767 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/data/187d95c15/c9d3d1e2ccde451d8b3186953d26ef5f/FLAG0b73bc234 [2024-12-02 12:04:57,187 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:04:57,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2024-12-02 12:04:57,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/data/187d95c15/c9d3d1e2ccde451d8b3186953d26ef5f/FLAG0b73bc234 [2024-12-02 12:04:57,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/data/187d95c15/c9d3d1e2ccde451d8b3186953d26ef5f [2024-12-02 12:04:57,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:04:57,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:04:57,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:04:57,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:04:57,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:04:57,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:04:57" (1/1) ... [2024-12-02 12:04:57,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336ae7d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:57, skipping insertion in model container [2024-12-02 12:04:57,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:04:57" (1/1) ... [2024-12-02 12:04:57,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:04:57,637 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2024-12-02 12:04:57,637 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2024-12-02 12:04:57,837 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_9531254a-b734-458a-94ec-691a6ed44941/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i[105797,105810] [2024-12-02 12:04:58,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:04:58,463 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:04:58,527 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2024-12-02 12:04:58,527 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2024-12-02 12:04:58,530 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; incl %0": "+m" (v->counter)); [3625] [2024-12-02 12:04:58,532 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; decl %0": "+m" (v->counter)); [3632] [2024-12-02 12:04:58,532 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3640-3641] [2024-12-02 12:04:58,539 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_9531254a-b734-458a-94ec-691a6ed44941/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i[105797,105810] [2024-12-02 12:04:58,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3856-3857] [2024-12-02 12:04:58,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (67), "i" (12UL)); [3864-3865] [2024-12-02 12:04:58,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (68), "i" (12UL)); [3872-3873] [2024-12-02 12:04:58,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (98), "i" (12UL)); [3899-3900] [2024-12-02 12:04:58,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (99), "i" (12UL)); [3907-3908] [2024-12-02 12:04:58,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (115), "i" (12UL)); [3931-3932] [2024-12-02 12:04:58,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:04:58,792 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:04:58,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58 WrapperNode [2024-12-02 12:04:58,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:04:58,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:04:58,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:04:58,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:04:58,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:58,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:58,988 INFO L138 Inliner]: procedures = 191, calls = 1828, calls flagged for inlining = 79, calls inlined = 70, statements flattened = 5081 [2024-12-02 12:04:58,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:04:58,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:04:58,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:04:58,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:04:59,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,020 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,460 INFO L175 MemorySlicer]: Split 1016 memory accesses to 31 slices as follows [12, 0, 30, 1, 9, 20, 2, 8, 1, 8, 1, 7, 8, 52, 6, 1, 2, 1, 8, 4, 727, 8, 7, 7, 7, 7, 7, 7, 7, 7, 44]. 72 percent of accesses are in the largest equivalence class. The 194 initializations are split as follows [0, 0, 0, 1, 9, 20, 2, 8, 1, 8, 1, 0, 8, 52, 6, 1, 0, 0, 8, 4, 8, 8, 7, 7, 0, 7, 7, 7, 7, 7, 0]. The 297 writes are split as follows [3, 0, 25, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 1, 0, 0, 0, 212, 0, 0, 0, 6, 0, 0, 0, 0, 0, 44]. [2024-12-02 12:04:59,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,599 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:04:59,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:04:59,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:04:59,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:04:59,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:04:59,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:04:59,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:04:59,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:04:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2024-12-02 12:04:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 12:04:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 12:04:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-12-02 12:04:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-12-02 12:04:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-12-02 12:04:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-12-02 12:04:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-12-02 12:04:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-12-02 12:04:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-12-02 12:04:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-12-02 12:04:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 12:04:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 12:04:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2024-12-02 12:04:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2024-12-02 12:04:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2024-12-02 12:04:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2024-12-02 12:04:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2024-12-02 12:04:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2024-12-02 12:04:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2024-12-02 12:04:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2024-12-02 12:04:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 12:04:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 12:04:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 12:04:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 12:04:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 12:04:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 12:04:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 12:04:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 12:04:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 12:04:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 12:04:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 12:04:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-02 12:04:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-12-02 12:04:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-12-02 12:04:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-12-02 12:04:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-12-02 12:04:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-12-02 12:04:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-12-02 12:04:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 12:04:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 12:04:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:04:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:04:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 12:04:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 12:04:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 12:04:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 12:04:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 12:04:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 12:04:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 12:04:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 12:04:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 12:04:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-12-02 12:04:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-12-02 12:04:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2024-12-02 12:04:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2024-12-02 12:04:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2024-12-02 12:04:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2024-12-02 12:04:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-12-02 12:04:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-12-02 12:04:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2024-12-02 12:04:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2024-12-02 12:04:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-12-02 12:04:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-12-02 12:04:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 12:04:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 12:04:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-12-02 12:04:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-12-02 12:04:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-12-02 12:04:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-12-02 12:04:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 12:04:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 12:04:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 12:04:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 12:04:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2024-12-02 12:04:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2024-12-02 12:04:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-12-02 12:04:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 12:04:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 12:04:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-12-02 12:04:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-12-02 12:04:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 12:04:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2024-12-02 12:04:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2024-12-02 12:04:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-12-02 12:04:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 12:04:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 12:04:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-12-02 12:04:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2024-12-02 12:04:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 12:04:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 12:04:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 12:04:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 12:04:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-12-02 12:04:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-12-02 12:04:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:04:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2024-12-02 12:04:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2024-12-02 12:04:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2024-12-02 12:04:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2024-12-02 12:04:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 12:04:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-12-02 12:04:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2024-12-02 12:04:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2024-12-02 12:04:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-12-02 12:04:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-12-02 12:04:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-12-02 12:04:59,765 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 12:04:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 12:04:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 12:04:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 12:04:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 12:04:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 12:04:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 12:04:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-02 12:04:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-12-02 12:04:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-12-02 12:04:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-12-02 12:04:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-12-02 12:04:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2024-12-02 12:04:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-12-02 12:04:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-12-02 12:04:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2024-12-02 12:04:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-12-02 12:04:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 12:04:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2024-12-02 12:04:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-12-02 12:04:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-12-02 12:04:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-12-02 12:04:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-12-02 12:04:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2024-12-02 12:04:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2024-12-02 12:04:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-12-02 12:04:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-12-02 12:04:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-12-02 12:04:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-12-02 12:04:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-12-02 12:04:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-12-02 12:04:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2024-12-02 12:04:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2024-12-02 12:04:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2024-12-02 12:04:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2024-12-02 12:04:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 12:04:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 12:04:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2024-12-02 12:04:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2024-12-02 12:04:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2024-12-02 12:04:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 12:04:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 12:04:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2024-12-02 12:04:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2024-12-02 12:04:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-12-02 12:04:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-12-02 12:04:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 12:04:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2024-12-02 12:04:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2024-12-02 12:04:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2024-12-02 12:04:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2024-12-02 12:04:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2024-12-02 12:04:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2024-12-02 12:04:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-12-02 12:04:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-12-02 12:04:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-12-02 12:04:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-12-02 12:04:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 12:04:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 12:04:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:04:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:04:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2024-12-02 12:04:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2024-12-02 12:05:00,529 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:05:00,532 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:05:00,686 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 12:05:09,908 INFO L? ?]: Removed 1754 outVars from TransFormulas that were not future-live. [2024-12-02 12:05:09,908 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:05:09,941 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:05:09,941 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:05:09,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:09 BoogieIcfgContainer [2024-12-02 12:05:09,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:05:09,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:05:09,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:05:09,948 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:05:09,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:04:57" (1/3) ... [2024-12-02 12:05:09,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a736234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:05:09, skipping insertion in model container [2024-12-02 12:05:09,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (2/3) ... [2024-12-02 12:05:09,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a736234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:05:09, skipping insertion in model container [2024-12-02 12:05:09,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:09" (3/3) ... [2024-12-02 12:05:09,950 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2024-12-02 12:05:09,964 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:05:09,966 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i that has 103 procedures, 1707 locations, 1 initial locations, 31 loop locations, and 1 error locations. [2024-12-02 12:05:10,051 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:05:10,062 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;@5b072a84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:05:10,063 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:05:10,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 1598 states, 1176 states have (on average 1.3962585034013606) internal successors, (1642), 1196 states have internal predecessors, (1642), 346 states have call successors, (346), 75 states have call predecessors, (346), 74 states have return successors, (343), 336 states have call predecessors, (343), 343 states have call successors, (343) [2024-12-02 12:05:10,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-02 12:05:10,079 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:10,079 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 12:05:10,080 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:10,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:10,083 INFO L85 PathProgramCache]: Analyzing trace with hash -766094563, now seen corresponding path program 1 times [2024-12-02 12:05:10,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:10,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434220505] [2024-12-02 12:05:10,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:10,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:14,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 12:05:14,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:14,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434220505] [2024-12-02 12:05:14,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434220505] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:14,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:14,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:05:14,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46487367] [2024-12-02 12:05:14,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:14,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:05:14,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:14,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:05:14,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:05:14,643 INFO L87 Difference]: Start difference. First operand has 1598 states, 1176 states have (on average 1.3962585034013606) internal successors, (1642), 1196 states have internal predecessors, (1642), 346 states have call successors, (346), 75 states have call predecessors, (346), 74 states have return successors, (343), 336 states have call predecessors, (343), 343 states have call successors, (343) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 12:05:15,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:15,044 INFO L93 Difference]: Finished difference Result 3234 states and 4796 transitions. [2024-12-02 12:05:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:05:15,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-12-02 12:05:15,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:15,068 INFO L225 Difference]: With dead ends: 3234 [2024-12-02 12:05:15,068 INFO L226 Difference]: Without dead ends: 1612 [2024-12-02 12:05:15,082 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 [2024-12-02 12:05:15,085 INFO L435 NwaCegarLoop]: 2311 mSDtfsCounter, 65 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 4577 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:15,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 4577 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:05:15,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2024-12-02 12:05:15,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1607. [2024-12-02 12:05:15,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1607 states, 1185 states have (on average 1.3763713080168776) internal successors, (1631), 1201 states have internal predecessors, (1631), 345 states have call successors, (345), 77 states have call predecessors, (345), 76 states have return successors, (344), 336 states have call predecessors, (344), 344 states have call successors, (344) [2024-12-02 12:05:15,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2320 transitions. [2024-12-02 12:05:15,223 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2320 transitions. Word has length 40 [2024-12-02 12:05:15,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:15,223 INFO L471 AbstractCegarLoop]: Abstraction has 1607 states and 2320 transitions. [2024-12-02 12:05:15,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 12:05:15,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2320 transitions. [2024-12-02 12:05:15,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-02 12:05:15,226 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:15,226 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 12:05:15,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:05:15,227 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:15,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:15,227 INFO L85 PathProgramCache]: Analyzing trace with hash 620499446, now seen corresponding path program 1 times [2024-12-02 12:05:15,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:15,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28589659] [2024-12-02 12:05:15,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:15,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-02 12:05:19,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:19,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28589659] [2024-12-02 12:05:19,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28589659] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:19,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:19,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:05:19,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983536539] [2024-12-02 12:05:19,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:19,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:05:19,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:19,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:05:19,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:05:19,429 INFO L87 Difference]: Start difference. First operand 1607 states and 2320 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:05:19,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:19,535 INFO L93 Difference]: Finished difference Result 1611 states and 2324 transitions. [2024-12-02 12:05:19,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:05:19,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2024-12-02 12:05:19,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:19,546 INFO L225 Difference]: With dead ends: 1611 [2024-12-02 12:05:19,546 INFO L226 Difference]: Without dead ends: 1608 [2024-12-02 12:05:19,548 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 [2024-12-02 12:05:19,548 INFO L435 NwaCegarLoop]: 2283 mSDtfsCounter, 0 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4561 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:19,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4561 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:05:19,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2024-12-02 12:05:19,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1608. [2024-12-02 12:05:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1186 states have (on average 1.376053962900506) internal successors, (1632), 1202 states have internal predecessors, (1632), 345 states have call successors, (345), 77 states have call predecessors, (345), 76 states have return successors, (344), 336 states have call predecessors, (344), 344 states have call successors, (344) [2024-12-02 12:05:19,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2321 transitions. [2024-12-02 12:05:19,619 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2321 transitions. Word has length 61 [2024-12-02 12:05:19,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:19,620 INFO L471 AbstractCegarLoop]: Abstraction has 1608 states and 2321 transitions. [2024-12-02 12:05:19,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:05:19,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2321 transitions. [2024-12-02 12:05:19,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 12:05:19,622 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:19,622 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 12:05:19,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:05:19,623 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:19,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:19,623 INFO L85 PathProgramCache]: Analyzing trace with hash -710959414, now seen corresponding path program 1 times [2024-12-02 12:05:19,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:19,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929565214] [2024-12-02 12:05:19,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:19,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:23,872 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-02 12:05:23,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:23,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929565214] [2024-12-02 12:05:23,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929565214] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:23,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:23,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:05:23,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335441424] [2024-12-02 12:05:23,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:23,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:05:23,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:23,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:05:23,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:05:23,874 INFO L87 Difference]: Start difference. First operand 1608 states and 2321 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:05:24,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:24,125 INFO L93 Difference]: Finished difference Result 3229 states and 4714 transitions. [2024-12-02 12:05:24,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:05:24,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 63 [2024-12-02 12:05:24,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:24,137 INFO L225 Difference]: With dead ends: 3229 [2024-12-02 12:05:24,138 INFO L226 Difference]: Without dead ends: 1645 [2024-12-02 12:05:24,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:05:24,147 INFO L435 NwaCegarLoop]: 2281 mSDtfsCounter, 2187 mSDsluCounter, 2372 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2187 SdHoareTripleChecker+Valid, 4653 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:24,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2187 Valid, 4653 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:05:24,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2024-12-02 12:05:24,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1645. [2024-12-02 12:05:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1645 states, 1211 states have (on average 1.370767960363336) internal successors, (1660), 1227 states have internal predecessors, (1660), 349 states have call successors, (349), 85 states have call predecessors, (349), 84 states have return successors, (348), 340 states have call predecessors, (348), 348 states have call successors, (348) [2024-12-02 12:05:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2357 transitions. [2024-12-02 12:05:24,225 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2357 transitions. Word has length 63 [2024-12-02 12:05:24,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:24,225 INFO L471 AbstractCegarLoop]: Abstraction has 1645 states and 2357 transitions. [2024-12-02 12:05:24,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:05:24,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2357 transitions. [2024-12-02 12:05:24,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 12:05:24,238 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:24,239 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-12-02 12:05:24,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:05:24,239 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:24,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:24,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1221514852, now seen corresponding path program 1 times [2024-12-02 12:05:24,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:24,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155428884] [2024-12-02 12:05:24,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:24,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:28,280 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-02 12:05:28,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:28,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155428884] [2024-12-02 12:05:28,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155428884] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:28,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:28,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:05:28,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147275152] [2024-12-02 12:05:28,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:28,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:05:28,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:28,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:05:28,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:05:28,283 INFO L87 Difference]: Start difference. First operand 1645 states and 2357 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 12:05:32,335 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 [] [2024-12-02 12:05:33,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:33,134 INFO L93 Difference]: Finished difference Result 3369 states and 4808 transitions. [2024-12-02 12:05:33,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:05:33,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 170 [2024-12-02 12:05:33,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:33,149 INFO L225 Difference]: With dead ends: 3369 [2024-12-02 12:05:33,150 INFO L226 Difference]: Without dead ends: 1748 [2024-12-02 12:05:33,158 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 [2024-12-02 12:05:33,159 INFO L435 NwaCegarLoop]: 2330 mSDtfsCounter, 312 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 4376 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:33,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 4376 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 12:05:33,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2024-12-02 12:05:33,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1738. [2024-12-02 12:05:33,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1284 states have (on average 1.3613707165109035) internal successors, (1748), 1300 states have internal predecessors, (1748), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-12-02 12:05:33,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2457 transitions. [2024-12-02 12:05:33,260 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2457 transitions. Word has length 170 [2024-12-02 12:05:33,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:33,260 INFO L471 AbstractCegarLoop]: Abstraction has 1738 states and 2457 transitions. [2024-12-02 12:05:33,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 12:05:33,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2457 transitions. [2024-12-02 12:05:33,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 12:05:33,270 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:33,270 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:05:33,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:05:33,270 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:33,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:33,271 INFO L85 PathProgramCache]: Analyzing trace with hash -924706558, now seen corresponding path program 1 times [2024-12-02 12:05:33,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:33,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210074599] [2024-12-02 12:05:33,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:33,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:37,156 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 12:05:37,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:37,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210074599] [2024-12-02 12:05:37,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210074599] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:37,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:37,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:05:37,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80486766] [2024-12-02 12:05:37,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:37,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:05:37,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:37,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:05:37,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:05:37,158 INFO L87 Difference]: Start difference. First operand 1738 states and 2457 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 12:05:41,201 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 [] [2024-12-02 12:05:41,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:41,826 INFO L93 Difference]: Finished difference Result 3703 states and 5219 transitions. [2024-12-02 12:05:41,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:05:41,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 184 [2024-12-02 12:05:41,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:41,837 INFO L225 Difference]: With dead ends: 3703 [2024-12-02 12:05:41,837 INFO L226 Difference]: Without dead ends: 1989 [2024-12-02 12:05:41,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:05:41,843 INFO L435 NwaCegarLoop]: 2609 mSDtfsCounter, 328 mSDsluCounter, 4875 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 7484 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:41,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7484 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 12:05:41,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2024-12-02 12:05:41,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1740. [2024-12-02 12:05:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1740 states, 1286 states have (on average 1.3608087091757388) internal successors, (1750), 1302 states have internal predecessors, (1750), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-12-02 12:05:41,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2459 transitions. [2024-12-02 12:05:41,898 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2459 transitions. Word has length 184 [2024-12-02 12:05:41,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:41,898 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2459 transitions. [2024-12-02 12:05:41,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 12:05:41,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2459 transitions. [2024-12-02 12:05:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-12-02 12:05:41,904 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:41,904 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:05:41,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:05:41,904 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:41,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:41,905 INFO L85 PathProgramCache]: Analyzing trace with hash 882750126, now seen corresponding path program 1 times [2024-12-02 12:05:41,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:41,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759284587] [2024-12-02 12:05:41,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:41,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:45,826 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 12:05:45,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:45,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759284587] [2024-12-02 12:05:45,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759284587] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:45,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:45,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:05:45,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140463783] [2024-12-02 12:05:45,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:45,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:05:45,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:45,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:05:45,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:05:45,828 INFO L87 Difference]: Start difference. First operand 1740 states and 2459 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:05:49,889 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 [] [2024-12-02 12:05:50,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:50,556 INFO L93 Difference]: Finished difference Result 3708 states and 5224 transitions. [2024-12-02 12:05:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:05:50,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 195 [2024-12-02 12:05:50,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:50,569 INFO L225 Difference]: With dead ends: 3708 [2024-12-02 12:05:50,570 INFO L226 Difference]: Without dead ends: 1992 [2024-12-02 12:05:50,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:05:50,577 INFO L435 NwaCegarLoop]: 2609 mSDtfsCounter, 328 mSDsluCounter, 4875 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 7484 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:50,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7484 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 12:05:50,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2024-12-02 12:05:50,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1740. [2024-12-02 12:05:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1740 states, 1286 states have (on average 1.3608087091757388) internal successors, (1750), 1302 states have internal predecessors, (1750), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-12-02 12:05:50,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2459 transitions. [2024-12-02 12:05:50,667 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2459 transitions. Word has length 195 [2024-12-02 12:05:50,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:50,667 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2459 transitions. [2024-12-02 12:05:50,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:05:50,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2459 transitions. [2024-12-02 12:05:50,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-12-02 12:05:50,678 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:50,678 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:05:50,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:05:50,679 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:50,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:50,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1694645674, now seen corresponding path program 1 times [2024-12-02 12:05:50,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:50,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624933465] [2024-12-02 12:05:50,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:50,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:54,733 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 12:05:54,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:54,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624933465] [2024-12-02 12:05:54,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624933465] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:54,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:54,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:05:54,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825878994] [2024-12-02 12:05:54,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:54,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:05:54,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:54,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:05:54,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:05:54,736 INFO L87 Difference]: Start difference. First operand 1740 states and 2459 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 12:05:54,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:54,887 INFO L93 Difference]: Finished difference Result 3457 states and 4893 transitions. [2024-12-02 12:05:54,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:05:54,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 244 [2024-12-02 12:05:54,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:54,900 INFO L225 Difference]: With dead ends: 3457 [2024-12-02 12:05:54,900 INFO L226 Difference]: Without dead ends: 1741 [2024-12-02 12:05:54,906 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 [2024-12-02 12:05:54,906 INFO L435 NwaCegarLoop]: 2283 mSDtfsCounter, 0 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4560 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 [2024-12-02 12:05:54,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4560 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:05:54,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2024-12-02 12:05:54,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2024-12-02 12:05:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1287 states have (on average 1.3605283605283605) internal successors, (1751), 1303 states have internal predecessors, (1751), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-12-02 12:05:54,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2460 transitions. [2024-12-02 12:05:54,982 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2460 transitions. Word has length 244 [2024-12-02 12:05:54,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:54,983 INFO L471 AbstractCegarLoop]: Abstraction has 1741 states and 2460 transitions. [2024-12-02 12:05:54,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 12:05:54,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2460 transitions. [2024-12-02 12:05:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-12-02 12:05:54,993 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:54,994 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:05:54,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:05:54,994 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:54,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:54,994 INFO L85 PathProgramCache]: Analyzing trace with hash -705987736, now seen corresponding path program 1 times [2024-12-02 12:05:54,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:54,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127721620] [2024-12-02 12:05:54,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:54,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 12:05:59,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:59,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127721620] [2024-12-02 12:05:59,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127721620] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:59,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:59,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:05:59,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832405653] [2024-12-02 12:05:59,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:59,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:05:59,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:59,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:05:59,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:05:59,164 INFO L87 Difference]: Start difference. First operand 1741 states and 2460 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 12:05:59,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:59,374 INFO L93 Difference]: Finished difference Result 3458 states and 4893 transitions. [2024-12-02 12:05:59,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:05:59,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 244 [2024-12-02 12:05:59,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:59,383 INFO L225 Difference]: With dead ends: 3458 [2024-12-02 12:05:59,383 INFO L226 Difference]: Without dead ends: 1741 [2024-12-02 12:05:59,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:05:59,388 INFO L435 NwaCegarLoop]: 2279 mSDtfsCounter, 2242 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2242 SdHoareTripleChecker+Valid, 4554 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 [2024-12-02 12:05:59,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2242 Valid, 4554 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:05:59,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2024-12-02 12:05:59,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2024-12-02 12:05:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1287 states have (on average 1.3597513597513597) internal successors, (1750), 1303 states have internal predecessors, (1750), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-12-02 12:05:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2459 transitions. [2024-12-02 12:05:59,444 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2459 transitions. Word has length 244 [2024-12-02 12:05:59,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:59,444 INFO L471 AbstractCegarLoop]: Abstraction has 1741 states and 2459 transitions. [2024-12-02 12:05:59,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 12:05:59,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2459 transitions. [2024-12-02 12:05:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-12-02 12:05:59,450 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:59,450 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:05:59,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:05:59,450 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:59,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:59,450 INFO L85 PathProgramCache]: Analyzing trace with hash -362018750, now seen corresponding path program 1 times [2024-12-02 12:05:59,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:59,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584981219] [2024-12-02 12:05:59,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:59,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:06:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 12:06:03,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:06:03,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584981219] [2024-12-02 12:06:03,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584981219] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:06:03,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:06:03,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:06:03,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501761152] [2024-12-02 12:06:03,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:06:03,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:06:03,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:06:03,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:06:03,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:06:03,425 INFO L87 Difference]: Start difference. First operand 1741 states and 2459 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 12:06:03,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:06:03,629 INFO L93 Difference]: Finished difference Result 3459 states and 4895 transitions. [2024-12-02 12:06:03,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:06:03,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 245 [2024-12-02 12:06:03,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:06:03,640 INFO L225 Difference]: With dead ends: 3459 [2024-12-02 12:06:03,641 INFO L226 Difference]: Without dead ends: 1742 [2024-12-02 12:06:03,647 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 [2024-12-02 12:06:03,648 INFO L435 NwaCegarLoop]: 2282 mSDtfsCounter, 0 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4558 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 [2024-12-02 12:06:03,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4558 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:06:03,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2024-12-02 12:06:03,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1742. [2024-12-02 12:06:03,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1288 states have (on average 1.359472049689441) internal successors, (1751), 1304 states have internal predecessors, (1751), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-12-02 12:06:03,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2460 transitions. [2024-12-02 12:06:03,735 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2460 transitions. Word has length 245 [2024-12-02 12:06:03,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:03,736 INFO L471 AbstractCegarLoop]: Abstraction has 1742 states and 2460 transitions. [2024-12-02 12:06:03,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 12:06:03,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2460 transitions. [2024-12-02 12:06:03,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-12-02 12:06:03,745 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:06:03,745 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:06:03,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:06:03,746 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:06:03,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:06:03,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1683548060, now seen corresponding path program 1 times [2024-12-02 12:06:03,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:06:03,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923697799] [2024-12-02 12:06:03,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:03,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:06:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 12:06:07,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:06:07,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923697799] [2024-12-02 12:06:07,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923697799] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:06:07,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:06:07,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:06:07,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619592923] [2024-12-02 12:06:07,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:06:07,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:06:07,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:06:07,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:06:07,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:06:07,457 INFO L87 Difference]: Start difference. First operand 1742 states and 2460 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 12:06:11,501 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 [] [2024-12-02 12:06:12,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:06:12,262 INFO L93 Difference]: Finished difference Result 4904 states and 6960 transitions. [2024-12-02 12:06:12,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:06:12,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 244 [2024-12-02 12:06:12,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:06:12,281 INFO L225 Difference]: With dead ends: 4904 [2024-12-02 12:06:12,281 INFO L226 Difference]: Without dead ends: 3186 [2024-12-02 12:06:12,287 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 [2024-12-02 12:06:12,288 INFO L435 NwaCegarLoop]: 2382 mSDtfsCounter, 2018 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 4630 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:06:12,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 4630 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 12:06:12,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2024-12-02 12:06:12,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 3178. [2024-12-02 12:06:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 2333 states have (on average 1.3613373339048436) internal successors, (3176), 2365 states have internal predecessors, (3176), 668 states have call successors, (668), 177 states have call predecessors, (668), 176 states have return successors, (667), 651 states have call predecessors, (667), 667 states have call successors, (667) [2024-12-02 12:06:12,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4511 transitions. [2024-12-02 12:06:12,449 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4511 transitions. Word has length 244 [2024-12-02 12:06:12,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:12,450 INFO L471 AbstractCegarLoop]: Abstraction has 3178 states and 4511 transitions. [2024-12-02 12:06:12,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 12:06:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4511 transitions. [2024-12-02 12:06:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-12-02 12:06:12,461 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:06:12,461 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:06:12,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:06:12,462 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:06:12,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:06:12,462 INFO L85 PathProgramCache]: Analyzing trace with hash -416411648, now seen corresponding path program 1 times [2024-12-02 12:06:12,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:06:12,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479259587] [2024-12-02 12:06:12,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:12,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:06:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 12:06:16,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:06:16,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479259587] [2024-12-02 12:06:16,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479259587] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:06:16,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:06:16,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:06:16,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455656426] [2024-12-02 12:06:16,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:06:16,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:06:16,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:06:16,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:06:16,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:06:16,688 INFO L87 Difference]: Start difference. First operand 3178 states and 4511 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 12:06:20,731 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 [] [2024-12-02 12:06:21,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:06:21,629 INFO L93 Difference]: Finished difference Result 6585 states and 9328 transitions. [2024-12-02 12:06:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:06:21,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 245 [2024-12-02 12:06:21,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:06:21,644 INFO L225 Difference]: With dead ends: 6585 [2024-12-02 12:06:21,645 INFO L226 Difference]: Without dead ends: 3431 [2024-12-02 12:06:21,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:06:21,656 INFO L435 NwaCegarLoop]: 2602 mSDtfsCounter, 324 mSDsluCounter, 7455 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 10057 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:06:21,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 10057 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 12:06:21,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2024-12-02 12:06:21,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 3178. [2024-12-02 12:06:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 2333 states have (on average 1.3613373339048436) internal successors, (3176), 2365 states have internal predecessors, (3176), 668 states have call successors, (668), 177 states have call predecessors, (668), 176 states have return successors, (667), 651 states have call predecessors, (667), 667 states have call successors, (667) [2024-12-02 12:06:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4511 transitions. [2024-12-02 12:06:21,820 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4511 transitions. Word has length 245 [2024-12-02 12:06:21,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:21,821 INFO L471 AbstractCegarLoop]: Abstraction has 3178 states and 4511 transitions. [2024-12-02 12:06:21,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 12:06:21,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4511 transitions. [2024-12-02 12:06:21,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-12-02 12:06:21,832 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:06:21,832 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:06:21,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 12:06:21,832 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:06:21,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:06:21,832 INFO L85 PathProgramCache]: Analyzing trace with hash -608833342, now seen corresponding path program 1 times [2024-12-02 12:06:21,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:06:21,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11515517] [2024-12-02 12:06:21,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:21,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:06:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:26,918 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-02 12:06:26,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:06:26,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11515517] [2024-12-02 12:06:26,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11515517] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:06:26,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:06:26,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:06:26,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998249765] [2024-12-02 12:06:26,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:06:26,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:06:26,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:06:26,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:06:26,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:06:26,921 INFO L87 Difference]: Start difference. First operand 3178 states and 4511 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, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 12:06:27,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:06:27,043 INFO L93 Difference]: Finished difference Result 3278 states and 4639 transitions. [2024-12-02 12:06:27,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:06:27,044 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, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 250 [2024-12-02 12:06:27,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:06:27,047 INFO L225 Difference]: With dead ends: 3278 [2024-12-02 12:06:27,047 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 12:06:27,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:06:27,054 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 485 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 [2024-12-02 12:06:27,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 485 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:06:27,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 12:06:27,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 12:06:27,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:06:27,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 12:06:27,057 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2024-12-02 12:06:27,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:27,057 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:06:27,057 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, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 12:06:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 12:06:27,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 12:06:27,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:06:27,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 12:06:27,062 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:06:27,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 12:06:44,321 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:06:44,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:06:44 BoogieIcfgContainer [2024-12-02 12:06:44,335 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:06:44,336 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:06:44,336 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:06:44,336 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:06:44,337 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:09" (3/4) ... [2024-12-02 12:06:44,340 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#29 [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#28 [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#27 [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#26 [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sg_page [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#25 [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __raw_spin_lock_init [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#24 [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#23 [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#22 [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_intfdata [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _dev_info [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_sglist [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc_array [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure test_iso_queue [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_check_buf [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#30 [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_interface [2024-12-02 12:06:44,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure perform_sglist [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure test_unaligned_bulk [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_sglist [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_maxp [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_kill_urb [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure set_altsetting [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_completion [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_fill_bulk_urb [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure verify_not_halted [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_dir_in [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irq [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#18 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#17 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#16 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#15 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#14 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#13 [2024-12-02 12:06:44,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#12 [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#11 [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kcalloc [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure test_halt [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbtest_alloc_urb [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#19 [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unlink1 [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ctrl_out [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#21 [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#20 [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure complete [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_status [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_good_config [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_unlink_urb [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irq [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_coherent [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure testdev_to_usbdev [2024-12-02 12:06:44,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_alloc_coherent [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unlink_simple [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_control_msg [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_dec_and_test [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_io [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_alloc_urb [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_free_urb [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_fill_buf [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_gettimeofday [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbtest_ioctl [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure buffer_offset [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_warn [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_clear_halt [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbtest_disconnect [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure check_guard_bytes [2024-12-02 12:06:44,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure interface_to_usbdev [2024-12-02 12:06:44,349 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_alloc_urb [2024-12-02 12:06:44,349 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-12-02 12:06:44,349 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_descriptor [2024-12-02 12:06:44,397 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 465 nodes and edges [2024-12-02 12:06:44,403 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 187 nodes and edges [2024-12-02 12:06:44,409 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2024-12-02 12:06:44,415 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-12-02 12:06:44,419 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-02 12:06:44,422 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 12:06:44,425 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 12:06:44,428 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:06:44,431 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:06:44,790 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:06:44,791 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 12:06:44,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:06:44,792 INFO L158 Benchmark]: Toolchain (without parser) took 107552.23ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 107.3MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 178.4MB. Max. memory is 16.1GB. [2024-12-02 12:06:44,792 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:06:44,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1551.72ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 62.4MB in the end (delta: 44.6MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2024-12-02 12:06:44,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 195.09ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 62.4MB in the beginning and 222.6MB in the end (delta: -160.2MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-12-02 12:06:44,792 INFO L158 Benchmark]: Boogie Preprocessor took 698.79ms. Allocated memory is still 293.6MB. Free memory was 222.6MB in the beginning and 201.3MB in the end (delta: 21.3MB). Peak memory consumption was 125.5MB. Max. memory is 16.1GB. [2024-12-02 12:06:44,793 INFO L158 Benchmark]: RCFGBuilder took 10253.10ms. Allocated memory was 293.6MB in the beginning and 385.9MB in the end (delta: 92.3MB). Free memory was 201.3MB in the beginning and 119.0MB in the end (delta: 82.3MB). Peak memory consumption was 181.5MB. Max. memory is 16.1GB. [2024-12-02 12:06:44,793 INFO L158 Benchmark]: TraceAbstraction took 94391.91ms. Allocated memory was 385.9MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 119.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 767.4MB. Max. memory is 16.1GB. [2024-12-02 12:06:44,793 INFO L158 Benchmark]: Witness Printer took 455.02ms. Allocated memory is still 1.5GB. Free memory was 1.4GB in the beginning and 1.3GB in the end (delta: 71.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-12-02 12:06:44,794 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1551.72ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 62.4MB in the end (delta: 44.6MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 195.09ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 62.4MB in the beginning and 222.6MB in the end (delta: -160.2MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 698.79ms. Allocated memory is still 293.6MB. Free memory was 222.6MB in the beginning and 201.3MB in the end (delta: 21.3MB). Peak memory consumption was 125.5MB. Max. memory is 16.1GB. * RCFGBuilder took 10253.10ms. Allocated memory was 293.6MB in the beginning and 385.9MB in the end (delta: 92.3MB). Free memory was 201.3MB in the beginning and 119.0MB in the end (delta: 82.3MB). Peak memory consumption was 181.5MB. Max. memory is 16.1GB. * TraceAbstraction took 94391.91ms. Allocated memory was 385.9MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 119.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 767.4MB. Max. memory is 16.1GB. * Witness Printer took 455.02ms. Allocated memory is still 1.5GB. Free memory was 1.4GB in the beginning and 1.3GB in the end (delta: 71.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3625]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3625] - GenericResultAtLocation [Line: 3632]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [3632] - GenericResultAtLocation [Line: 3640]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3640-3641] - GenericResultAtLocation [Line: 3856]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3856-3857] - GenericResultAtLocation [Line: 3864]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (67), "i" (12UL)); [3864-3865] - GenericResultAtLocation [Line: 3872]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (68), "i" (12UL)); [3872-3873] - GenericResultAtLocation [Line: 3899]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (98), "i" (12UL)); [3899-3900] - GenericResultAtLocation [Line: 3907]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (99), "i" (12UL)); [3907-3908] - GenericResultAtLocation [Line: 3931]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (115), "i" (12UL)); [3931-3932] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3810]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 103 procedures, 1707 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 77.1s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 25.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 7804 SdHoareTripleChecker+Valid, 23.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7804 mSDsluCounter, 61979 SdHoareTripleChecker+Invalid, 22.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35605 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 215 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 26374 mSDtfsCounter, 215 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3178occurred in iteration=10, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 777 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 2185 NumberOfCodeBlocks, 2185 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2173 ConstructedInterpolants, 0 QuantifiedInterpolants, 2546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 515/515 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5137]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 6148]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 5405]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4479]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 6066]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4142]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4129]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 5329]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4173]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 5405]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 5719]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4411]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4515]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-12-02 12:06:44,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9531254a-b734-458a-94ec-691a6ed44941/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE