./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/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 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 045b49e5089f039c3b28eef4cf3a9c907cbda8f22472af0061e42bad883dd2f9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:44:57,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:44:58,019 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:44:58,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:44:58,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:44:58,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:44:58,049 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:44:58,051 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:44:58,051 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:44:58,051 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:44:58,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:44:58,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:44:58,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:44:58,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:44:58,053 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:44:58,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:44:58,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:44:58,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:44:58,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:44:58,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:44:58,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:44:58,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:44:58,060 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:44:58,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:44:58,060 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:44:58,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:44:58,060 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:44:58,061 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:44:58,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:44:58,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:44:58,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:44:58,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:44:58,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:44:58,062 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:44:58,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:44:58,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:44:58,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:44:58,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:44:58,064 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:44:58,064 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 045b49e5089f039c3b28eef4cf3a9c907cbda8f22472af0061e42bad883dd2f9 [2024-10-24 13:44:58,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:44:58,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:44:58,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:44:58,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:44:58,288 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:44:58,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/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 [2024-10-24 13:44:59,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:45:00,119 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:45:00,119 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2024-10-24 13:45:00,158 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baae7f500/1b463ef2e4ed49d2b3801e0b78be4784/FLAGcacf2700f [2024-10-24 13:45:00,339 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baae7f500/1b463ef2e4ed49d2b3801e0b78be4784 [2024-10-24 13:45:00,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:45:00,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:45:00,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:45:00,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:45:00,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:45:00,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:45:00" (1/1) ... [2024-10-24 13:45:00,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b7d94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:00, skipping insertion in model container [2024-10-24 13:45:00,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:45:00" (1/1) ... [2024-10-24 13:45:00,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:45:00,822 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2024-10-24 13:45:00,822 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2024-10-24 13:45:00,962 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2024-10-24 13:45:01,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:45:01,482 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:45:01,543 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2024-10-24 13:45:01,543 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2024-10-24 13:45:01,545 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] [2024-10-24 13:45:01,547 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] [2024-10-24 13:45:01,547 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] [2024-10-24 13:45:01,555 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2024-10-24 13:45:01,556 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] [2024-10-24 13:45:01,557 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] [2024-10-24 13:45:01,557 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] [2024-10-24 13:45:01,559 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] [2024-10-24 13:45:01,559 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] [2024-10-24 13:45:01,560 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] [2024-10-24 13:45:01,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:45:01,753 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:45:01,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01 WrapperNode [2024-10-24 13:45:01,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:45:01,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:45:01,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:45:01,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:45:01,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (1/1) ... [2024-10-24 13:45:01,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (1/1) ... [2024-10-24 13:45:01,973 INFO L138 Inliner]: procedures = 189, calls = 1841, calls flagged for inlining = 79, calls inlined = 70, statements flattened = 5301 [2024-10-24 13:45:01,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:45:01,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:45:01,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:45:01,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:45:01,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (1/1) ... [2024-10-24 13:45:01,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (1/1) ... [2024-10-24 13:45:02,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (1/1) ... [2024-10-24 13:45:02,367 INFO L175 MemorySlicer]: Split 1026 memory accesses to 31 slices as follows [739, 52, 1, 9, 20, 2, 8, 1, 1, 0, 8, 1, 2, 8, 6, 1, 4, 30, 7, 8, 8, 7, 7, 7, 7, 7, 7, 7, 12, 7, 42]. 72 percent of accesses are in the largest equivalence class. The 353 initializations are split as follows [125, 52, 1, 9, 20, 2, 8, 1, 0, 0, 8, 1, 0, 8, 6, 1, 4, 0, 0, 8, 8, 7, 7, 7, 0, 7, 7, 7, 0, 7, 42]. The 148 writes are split as follows [107, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 25, 6, 0, 0, 0, 0, 0, 6, 0, 0, 0, 3, 0, 0]. [2024-10-24 13:45:02,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (1/1) ... [2024-10-24 13:45:02,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (1/1) ... [2024-10-24 13:45:02,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (1/1) ... [2024-10-24 13:45:02,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (1/1) ... [2024-10-24 13:45:02,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (1/1) ... [2024-10-24 13:45:02,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (1/1) ... [2024-10-24 13:45:02,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:45:02,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:45:02,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:45:02,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:45:02,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (1/1) ... [2024-10-24 13:45:02,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:45:02,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:45:02,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 13:45:02,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 13:45:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2024-10-24 13:45:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2024-10-24 13:45:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-24 13:45:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-24 13:45:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-10-24 13:45:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-10-24 13:45:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-10-24 13:45:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-10-24 13:45:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-24 13:45:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-24 13:45:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2024-10-24 13:45:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2024-10-24 13:45:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2024-10-24 13:45:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2024-10-24 13:45:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2024-10-24 13:45:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2024-10-24 13:45:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2024-10-24 13:45:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2024-10-24 13:45:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 13:45:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 13:45:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:45:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:45:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:45:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:45:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:45:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:45:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:45:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:45:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:45:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 13:45:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 13:45:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 13:45:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 13:45:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 13:45:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 13:45:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 13:45:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 13:45:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-24 13:45:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-24 13:45:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-24 13:45:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-24 13:45:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-24 13:45:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-24 13:45:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-24 13:45:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-10-24 13:45:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-10-24 13:45:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-10-24 13:45:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-10-24 13:45:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-10-24 13:45:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-10-24 13:45:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-10-24 13:45:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-10-24 13:45:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-10-24 13:45:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2024-10-24 13:45:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2024-10-24 13:45:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2024-10-24 13:45:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2024-10-24 13:45:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-24 13:45:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-24 13:45:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2024-10-24 13:45:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2024-10-24 13:45:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-24 13:45:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-24 13:45:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 13:45:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 13:45:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-10-24 13:45:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-10-24 13:45:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-10-24 13:45:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-10-24 13:45:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-24 13:45:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-24 13:45:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 13:45:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 13:45:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2024-10-24 13:45:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2024-10-24 13:45:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-10-24 13:45:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-10-24 13:45:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:45:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:45:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:45:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:45:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:45:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:45:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:45:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:45:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:45:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 13:45:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 13:45:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 13:45:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 13:45:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 13:45:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 13:45:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 13:45:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 13:45:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-24 13:45:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-24 13:45:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-24 13:45:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-24 13:45:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-10-24 13:45:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:45:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2024-10-24 13:45:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2024-10-24 13:45:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2024-10-24 13:45:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-24 13:45:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 13:45:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-24 13:45:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-24 13:45:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-24 13:45:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-10-24 13:45:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-10-24 13:45:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-10-24 13:45:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-10-24 13:45:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-10-24 13:45:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-10-24 13:45:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-10-24 13:45:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-10-24 13:45:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-10-24 13:45:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-10-24 13:45:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-10-24 13:45:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-10-24 13:45:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-10-24 13:45:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-10-24 13:45:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2024-10-24 13:45:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 13:45:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 13:45:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 13:45:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 13:45:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 13:45:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 13:45:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-24 13:45:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-24 13:45:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-24 13:45:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-10-24 13:45:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2024-10-24 13:45:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-10-24 13:45:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-10-24 13:45:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:45:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:45:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2024-10-24 13:45:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2024-10-24 13:45:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2024-10-24 13:45:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2024-10-24 13:45:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2024-10-24 13:45:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2024-10-24 13:45:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:45:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2024-10-24 13:45:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2024-10-24 13:45:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-24 13:45:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-24 13:45:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-10-24 13:45:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-10-24 13:45:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2024-10-24 13:45:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2024-10-24 13:45:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:45:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2024-10-24 13:45:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2024-10-24 13:45:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-10-24 13:45:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-10-24 13:45:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-10-24 13:45:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-10-24 13:45:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:45:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:45:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:45:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:45:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:45:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:45:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:45:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:45:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:45:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 13:45:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 13:45:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 13:45:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 13:45:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 13:45:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 13:45:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 13:45:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-24 13:45:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-24 13:45:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-24 13:45:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-24 13:45:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-24 13:45:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-24 13:45:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-24 13:45:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-10-24 13:45:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-10-24 13:45:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-10-24 13:45:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-10-24 13:45:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-10-24 13:45:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-10-24 13:45:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-10-24 13:45:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-10-24 13:45:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:45:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2024-10-24 13:45:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2024-10-24 13:45:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-24 13:45:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-24 13:45:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-10-24 13:45:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-10-24 13:45:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2024-10-24 13:45:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2024-10-24 13:45:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-10-24 13:45:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-10-24 13:45:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:45:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:45:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:45:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:45:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:45:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:45:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:45:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:45:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:45:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 13:45:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 13:45:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 13:45:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 13:45:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 13:45:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 13:45:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 13:45:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-24 13:45:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-24 13:45:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-24 13:45:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-24 13:45:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-24 13:45:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-24 13:45:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2024-10-24 13:45:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-10-24 13:45:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-10-24 13:45:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-24 13:45:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-10-24 13:45:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2024-10-24 13:45:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:45:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-10-24 13:45:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-10-24 13:45:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-10-24 13:45:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-10-24 13:45:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-10-24 13:45:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-10-24 13:45:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2024-10-24 13:45:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2024-10-24 13:45:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2024-10-24 13:45:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2024-10-24 13:45:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-24 13:45:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-24 13:45:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2024-10-24 13:45:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2024-10-24 13:45:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2024-10-24 13:45:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2024-10-24 13:45:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-24 13:45:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-24 13:45:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-24 13:45:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-24 13:45:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2024-10-24 13:45:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2024-10-24 13:45:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2024-10-24 13:45:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2024-10-24 13:45:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-10-24 13:45:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-10-24 13:45:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-10-24 13:45:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-10-24 13:45:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:45:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:45:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:45:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:45:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:45:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:45:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:45:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-24 13:45:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2024-10-24 13:45:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2024-10-24 13:45:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2024-10-24 13:45:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-10-24 13:45:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-10-24 13:45:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-24 13:45:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-24 13:45:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:45:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:45:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2024-10-24 13:45:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2024-10-24 13:45:03,225 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:45:03,227 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:45:03,324 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 13:45:06,067 INFO L? ?]: Removed 1762 outVars from TransFormulas that were not future-live. [2024-10-24 13:45:06,067 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:45:06,318 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:45:06,318 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 13:45:06,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:45:06 BoogieIcfgContainer [2024-10-24 13:45:06,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:45:06,320 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:45:06,320 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:45:06,322 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:45:06,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:45:00" (1/3) ... [2024-10-24 13:45:06,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad77701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:45:06, skipping insertion in model container [2024-10-24 13:45:06,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:01" (2/3) ... [2024-10-24 13:45:06,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad77701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:45:06, skipping insertion in model container [2024-10-24 13:45:06,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:45:06" (3/3) ... [2024-10-24 13:45:06,324 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2024-10-24 13:45:06,339 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:45:06,339 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:45:06,458 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:45:06,469 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;@751814c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:45:06,473 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:45:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand has 1445 states, 1023 states have (on average 1.455522971652004) internal successors, (1489), 1043 states have internal predecessors, (1489), 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) [2024-10-24 13:45:06,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-24 13:45:06,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:06,507 INFO L215 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] [2024-10-24 13:45:06,507 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:06,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:06,515 INFO L85 PathProgramCache]: Analyzing trace with hash -251241255, now seen corresponding path program 1 times [2024-10-24 13:45:06,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:06,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59253629] [2024-10-24 13:45:06,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:06,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:06,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:06,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:06,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:45:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:06,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:45:06,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:06,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59253629] [2024-10-24 13:45:06,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59253629] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:06,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:06,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:45:06,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678345582] [2024-10-24 13:45:06,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:06,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:45:06,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:06,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:45:06,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:45:06,968 INFO L87 Difference]: Start difference. First operand has 1445 states, 1023 states have (on average 1.455522971652004) internal successors, (1489), 1043 states have internal predecessors, (1489), 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 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 13:45:11,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:11,977 INFO L93 Difference]: Finished difference Result 3043 states and 4713 transitions. [2024-10-24 13:45:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:45:11,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 4 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 36 [2024-10-24 13:45:11,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:12,009 INFO L225 Difference]: With dead ends: 3043 [2024-10-24 13:45:12,010 INFO L226 Difference]: Without dead ends: 1579 [2024-10-24 13:45:12,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:45:12,026 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 1955 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 5433 mSolverCounterSat, 577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 6010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 577 IncrementalHoareTripleChecker+Valid, 5433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:12,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 869 Invalid, 6010 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [577 Valid, 5433 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-10-24 13:45:12,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2024-10-24 13:45:12,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1459. [2024-10-24 13:45:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1459 states, 1037 states have (on average 1.4300867888138862) internal successors, (1483), 1053 states have internal predecessors, (1483), 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) [2024-10-24 13:45:12,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 2172 transitions. [2024-10-24 13:45:12,219 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 2172 transitions. Word has length 36 [2024-10-24 13:45:12,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:12,220 INFO L471 AbstractCegarLoop]: Abstraction has 1459 states and 2172 transitions. [2024-10-24 13:45:12,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 13:45:12,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 2172 transitions. [2024-10-24 13:45:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-24 13:45:12,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:12,223 INFO L215 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] [2024-10-24 13:45:12,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:45:12,223 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:12,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:12,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1942251616, now seen corresponding path program 1 times [2024-10-24 13:45:12,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:12,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805725235] [2024-10-24 13:45:12,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:12,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:12,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:12,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:12,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:12,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:45:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:12,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 13:45:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-24 13:45:12,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:12,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805725235] [2024-10-24 13:45:12,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805725235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:12,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:12,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:45:12,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673981962] [2024-10-24 13:45:12,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:12,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:45:12,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:12,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:45:12,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:45:12,502 INFO L87 Difference]: Start difference. First operand 1459 states and 2172 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 13:45:16,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:16,902 INFO L93 Difference]: Finished difference Result 1580 states and 2394 transitions. [2024-10-24 13:45:16,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:45:16,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 4 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 53 [2024-10-24 13:45:16,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:16,911 INFO L225 Difference]: With dead ends: 1580 [2024-10-24 13:45:16,911 INFO L226 Difference]: Without dead ends: 1577 [2024-10-24 13:45:16,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:45:16,913 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 1855 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 5365 mSolverCounterSat, 555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 5920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 555 IncrementalHoareTripleChecker+Valid, 5365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:16,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2173 Valid, 878 Invalid, 5920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [555 Valid, 5365 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-24 13:45:16,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2024-10-24 13:45:16,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1460. [2024-10-24 13:45:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1038 states have (on average 1.4296724470134874) internal successors, (1484), 1054 states have internal predecessors, (1484), 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) [2024-10-24 13:45:16,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2173 transitions. [2024-10-24 13:45:16,996 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2173 transitions. Word has length 53 [2024-10-24 13:45:16,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:16,997 INFO L471 AbstractCegarLoop]: Abstraction has 1460 states and 2173 transitions. [2024-10-24 13:45:16,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 13:45:16,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2173 transitions. [2024-10-24 13:45:16,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 13:45:16,999 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:16,999 INFO L215 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] [2024-10-24 13:45:16,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:45:16,999 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:17,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:17,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1796498900, now seen corresponding path program 1 times [2024-10-24 13:45:17,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:17,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915524078] [2024-10-24 13:45:17,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:17,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:17,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:17,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:17,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:17,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:45:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:17,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 13:45:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-24 13:45:17,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:17,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915524078] [2024-10-24 13:45:17,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915524078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:17,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:17,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:45:17,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506734089] [2024-10-24 13:45:17,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:17,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:45:17,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:17,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:45:17,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:45:17,389 INFO L87 Difference]: Start difference. First operand 1460 states and 2173 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 13:45:22,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:22,917 INFO L93 Difference]: Finished difference Result 3051 states and 4639 transitions. [2024-10-24 13:45:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:45:22,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 5 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 55 [2024-10-24 13:45:22,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:22,927 INFO L225 Difference]: With dead ends: 3051 [2024-10-24 13:45:22,927 INFO L226 Difference]: Without dead ends: 1611 [2024-10-24 13:45:22,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:45:22,940 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 3126 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 5461 mSolverCounterSat, 1818 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3165 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 7279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1818 IncrementalHoareTripleChecker+Valid, 5461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:22,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3165 Valid, 878 Invalid, 7279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1818 Valid, 5461 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-10-24 13:45:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2024-10-24 13:45:23,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1491. [2024-10-24 13:45:23,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1491 states, 1057 states have (on average 1.4247871333964048) internal successors, (1506), 1073 states have internal predecessors, (1506), 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) [2024-10-24 13:45:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2203 transitions. [2024-10-24 13:45:23,012 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2203 transitions. Word has length 55 [2024-10-24 13:45:23,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:23,013 INFO L471 AbstractCegarLoop]: Abstraction has 1491 states and 2203 transitions. [2024-10-24 13:45:23,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 13:45:23,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2203 transitions. [2024-10-24 13:45:23,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-24 13:45:23,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:23,031 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-24 13:45:23,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:45:23,032 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:23,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:23,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1718353179, now seen corresponding path program 1 times [2024-10-24 13:45:23,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:23,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667067380] [2024-10-24 13:45:23,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:23,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:45:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 13:45:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 13:45:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:45:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 13:45:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:45:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 13:45:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 13:45:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:45:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 13:45:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:45:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:45:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 13:45:23,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:23,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667067380] [2024-10-24 13:45:23,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667067380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:23,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:23,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:45:23,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721615013] [2024-10-24 13:45:23,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:23,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:45:23,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:23,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:45:23,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:45:23,469 INFO L87 Difference]: Start difference. First operand 1491 states and 2203 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-24 13:45:28,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:28,867 INFO L93 Difference]: Finished difference Result 3311 states and 4944 transitions. [2024-10-24 13:45:28,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 13:45:28,868 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (21), 7 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 142 [2024-10-24 13:45:28,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:28,876 INFO L225 Difference]: With dead ends: 3311 [2024-10-24 13:45:28,877 INFO L226 Difference]: Without dead ends: 1840 [2024-10-24 13:45:28,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-10-24 13:45:28,881 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 3964 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 5859 mSolverCounterSat, 2746 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4013 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 8605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2746 IncrementalHoareTripleChecker+Valid, 5859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:28,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4013 Valid, 984 Invalid, 8605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2746 Valid, 5859 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-10-24 13:45:28,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2024-10-24 13:45:28,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1571. [2024-10-24 13:45:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1117 states have (on average 1.4153983885407342) internal successors, (1581), 1133 states have internal predecessors, (1581), 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) [2024-10-24 13:45:28,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2290 transitions. [2024-10-24 13:45:28,943 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2290 transitions. Word has length 142 [2024-10-24 13:45:28,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:28,943 INFO L471 AbstractCegarLoop]: Abstraction has 1571 states and 2290 transitions. [2024-10-24 13:45:28,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-24 13:45:28,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2290 transitions. [2024-10-24 13:45:28,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-10-24 13:45:28,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:28,954 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-10-24 13:45:28,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 13:45:28,957 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:28,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:28,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1941117702, now seen corresponding path program 1 times [2024-10-24 13:45:28,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:28,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42311957] [2024-10-24 13:45:28,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:28,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:45:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 13:45:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:45:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 13:45:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 13:45:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 13:45:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 13:45:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:45:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 13:45:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:45:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 13:45:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:45:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:45:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 13:45:29,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:29,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42311957] [2024-10-24 13:45:29,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42311957] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:29,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:29,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:45:29,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081006260] [2024-10-24 13:45:29,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:29,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:45:29,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:29,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:45:29,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:45:29,373 INFO L87 Difference]: Start difference. First operand 1571 states and 2290 transitions. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (22), 7 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:45:37,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:37,134 INFO L93 Difference]: Finished difference Result 3616 states and 5327 transitions. [2024-10-24 13:45:37,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 13:45:37,134 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (22), 7 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 157 [2024-10-24 13:45:37,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:37,145 INFO L225 Difference]: With dead ends: 3616 [2024-10-24 13:45:37,145 INFO L226 Difference]: Without dead ends: 2065 [2024-10-24 13:45:37,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:45:37,150 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 3338 mSDsluCounter, 2114 mSDsCounter, 0 mSdLazyCounter, 9716 mSolverCounterSat, 1908 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3390 SdHoareTripleChecker+Valid, 2621 SdHoareTripleChecker+Invalid, 11624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1908 IncrementalHoareTripleChecker+Valid, 9716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:37,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3390 Valid, 2621 Invalid, 11624 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1908 Valid, 9716 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2024-10-24 13:45:37,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2065 states. [2024-10-24 13:45:37,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2065 to 1573. [2024-10-24 13:45:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1119 states have (on average 1.4146559428060768) internal successors, (1583), 1135 states have internal predecessors, (1583), 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) [2024-10-24 13:45:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2292 transitions. [2024-10-24 13:45:37,219 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2292 transitions. Word has length 157 [2024-10-24 13:45:37,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:37,220 INFO L471 AbstractCegarLoop]: Abstraction has 1573 states and 2292 transitions. [2024-10-24 13:45:37,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (22), 7 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:45:37,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2292 transitions. [2024-10-24 13:45:37,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-24 13:45:37,226 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:37,226 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 13:45:37,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 13:45:37,226 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:37,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:37,227 INFO L85 PathProgramCache]: Analyzing trace with hash -2015344724, now seen corresponding path program 1 times [2024-10-24 13:45:37,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:37,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867855260] [2024-10-24 13:45:37,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:37,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:45:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 13:45:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:45:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:45:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 13:45:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:45:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 13:45:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:45:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 13:45:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 13:45:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:45:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 13:45:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:45:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:45:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:37,548 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-24 13:45:37,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:37,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867855260] [2024-10-24 13:45:37,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867855260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:37,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:37,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:45:37,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485688831] [2024-10-24 13:45:37,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:37,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:45:37,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:37,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:45:37,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:45:37,551 INFO L87 Difference]: Start difference. First operand 1573 states and 2292 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-24 13:45:45,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:45,783 INFO L93 Difference]: Finished difference Result 3621 states and 5332 transitions. [2024-10-24 13:45:45,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 13:45:45,783 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (24), 7 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 167 [2024-10-24 13:45:45,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:45,794 INFO L225 Difference]: With dead ends: 3621 [2024-10-24 13:45:45,794 INFO L226 Difference]: Without dead ends: 2068 [2024-10-24 13:45:45,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:45:45,799 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 3696 mSDsluCounter, 2120 mSDsCounter, 0 mSdLazyCounter, 9393 mSolverCounterSat, 2349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3747 SdHoareTripleChecker+Valid, 2627 SdHoareTripleChecker+Invalid, 11742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2349 IncrementalHoareTripleChecker+Valid, 9393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:45,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3747 Valid, 2627 Invalid, 11742 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2349 Valid, 9393 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2024-10-24 13:45:45,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2024-10-24 13:45:45,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 1573. [2024-10-24 13:45:45,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1119 states have (on average 1.4146559428060768) internal successors, (1583), 1135 states have internal predecessors, (1583), 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) [2024-10-24 13:45:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2292 transitions. [2024-10-24 13:45:45,870 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2292 transitions. Word has length 167 [2024-10-24 13:45:45,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:45,871 INFO L471 AbstractCegarLoop]: Abstraction has 1573 states and 2292 transitions. [2024-10-24 13:45:45,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-24 13:45:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2292 transitions. [2024-10-24 13:45:45,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-24 13:45:45,877 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:45,877 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:45:45,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:45:45,878 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:45,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:45,878 INFO L85 PathProgramCache]: Analyzing trace with hash -95679796, now seen corresponding path program 1 times [2024-10-24 13:45:45,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:45,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943028946] [2024-10-24 13:45:45,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:45,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:45:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 13:45:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:45:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:45:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 13:45:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:45:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 13:45:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 13:45:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 13:45:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 13:45:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 13:45:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 13:45:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 13:45:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 13:45:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 13:45:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 13:45:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 13:45:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:45:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 13:45:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-24 13:45:46,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:46,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943028946] [2024-10-24 13:45:46,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943028946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:46,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:46,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:45:46,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505083000] [2024-10-24 13:45:46,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:46,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:45:46,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:46,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:45:46,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:45:46,174 INFO L87 Difference]: Start difference. First operand 1573 states and 2292 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 13:45:51,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:51,385 INFO L93 Difference]: Finished difference Result 3389 states and 5019 transitions. [2024-10-24 13:45:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:45:51,386 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (31), 8 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 208 [2024-10-24 13:45:51,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:51,395 INFO L225 Difference]: With dead ends: 3389 [2024-10-24 13:45:51,396 INFO L226 Difference]: Without dead ends: 1836 [2024-10-24 13:45:51,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-10-24 13:45:51,401 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 3880 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 5628 mSolverCounterSat, 2793 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3903 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 8421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2793 IncrementalHoareTripleChecker+Valid, 5628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:51,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3903 Valid, 1110 Invalid, 8421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2793 Valid, 5628 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-10-24 13:45:51,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2024-10-24 13:45:51,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1574. [2024-10-24 13:45:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1574 states, 1120 states have (on average 1.4142857142857144) internal successors, (1584), 1136 states have internal predecessors, (1584), 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) [2024-10-24 13:45:51,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2293 transitions. [2024-10-24 13:45:51,482 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2293 transitions. Word has length 208 [2024-10-24 13:45:51,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:51,483 INFO L471 AbstractCegarLoop]: Abstraction has 1574 states and 2293 transitions. [2024-10-24 13:45:51,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 13:45:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2293 transitions. [2024-10-24 13:45:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-24 13:45:51,490 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:51,490 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:45:51,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 13:45:51,490 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:51,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:51,491 INFO L85 PathProgramCache]: Analyzing trace with hash -89239445, now seen corresponding path program 1 times [2024-10-24 13:45:51,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:51,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666134461] [2024-10-24 13:45:51,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:51,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:45:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 13:45:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:45:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:45:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 13:45:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:45:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 13:45:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 13:45:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:45:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 13:45:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:45:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 13:45:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 13:45:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 13:45:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 13:45:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:45:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:45:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:45:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 13:45:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-24 13:45:51,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:51,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666134461] [2024-10-24 13:45:51,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666134461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:51,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:51,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 13:45:51,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158115609] [2024-10-24 13:45:51,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:51,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 13:45:51,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:51,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 13:45:51,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:45:51,925 INFO L87 Difference]: Start difference. First operand 1574 states and 2293 transitions. Second operand has 10 states, 10 states have (on average 12.8) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-24 13:45:59,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:59,878 INFO L93 Difference]: Finished difference Result 3390 states and 5019 transitions. [2024-10-24 13:45:59,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 13:45:59,879 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (31), 8 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 209 [2024-10-24 13:45:59,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:59,887 INFO L225 Difference]: With dead ends: 3390 [2024-10-24 13:45:59,887 INFO L226 Difference]: Without dead ends: 1836 [2024-10-24 13:45:59,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:45:59,892 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 4872 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 8473 mSolverCounterSat, 2723 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4901 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 11196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2723 IncrementalHoareTripleChecker+Valid, 8473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:59,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4901 Valid, 1412 Invalid, 11196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2723 Valid, 8473 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2024-10-24 13:45:59,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2024-10-24 13:45:59,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1574. [2024-10-24 13:45:59,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1574 states, 1120 states have (on average 1.4133928571428571) internal successors, (1583), 1136 states have internal predecessors, (1583), 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) [2024-10-24 13:45:59,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2292 transitions. [2024-10-24 13:45:59,968 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2292 transitions. Word has length 209 [2024-10-24 13:45:59,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:59,968 INFO L471 AbstractCegarLoop]: Abstraction has 1574 states and 2292 transitions. [2024-10-24 13:45:59,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-24 13:45:59,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2292 transitions. [2024-10-24 13:45:59,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-24 13:45:59,975 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:59,975 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:45:59,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 13:45:59,976 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:59,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:59,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1478237360, now seen corresponding path program 1 times [2024-10-24 13:45:59,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:59,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758509891] [2024-10-24 13:45:59,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:59,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:46:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:46:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:46:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:46:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 13:46:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:46:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:46:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 13:46:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:46:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 13:46:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 13:46:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 13:46:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 13:46:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 13:46:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 13:46:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 13:46:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 13:46:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 13:46:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 13:46:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 13:46:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:46:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 13:46:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:00,447 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-24 13:46:00,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:46:00,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758509891] [2024-10-24 13:46:00,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758509891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:46:00,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:46:00,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:46:00,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236728275] [2024-10-24 13:46:00,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:46:00,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:46:00,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:46:00,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:46:00,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:46:00,450 INFO L87 Difference]: Start difference. First operand 1574 states and 2292 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 13:46:09,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:46:09,951 INFO L93 Difference]: Finished difference Result 4948 states and 7387 transitions. [2024-10-24 13:46:09,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 13:46:09,952 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (31), 8 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 208 [2024-10-24 13:46:09,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:46:09,969 INFO L225 Difference]: With dead ends: 4948 [2024-10-24 13:46:09,970 INFO L226 Difference]: Without dead ends: 3394 [2024-10-24 13:46:09,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2024-10-24 13:46:09,976 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 7810 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 7262 mSolverCounterSat, 4530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7836 SdHoareTripleChecker+Valid, 1411 SdHoareTripleChecker+Invalid, 11792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4530 IncrementalHoareTripleChecker+Valid, 7262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:46:09,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7836 Valid, 1411 Invalid, 11792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4530 Valid, 7262 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2024-10-24 13:46:09,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2024-10-24 13:46:10,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 2876. [2024-10-24 13:46:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2031 states have (on average 1.41506646971935) internal successors, (2874), 2063 states have internal predecessors, (2874), 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) [2024-10-24 13:46:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 4209 transitions. [2024-10-24 13:46:10,142 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 4209 transitions. Word has length 208 [2024-10-24 13:46:10,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:46:10,218 INFO L471 AbstractCegarLoop]: Abstraction has 2876 states and 4209 transitions. [2024-10-24 13:46:10,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 13:46:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 4209 transitions. [2024-10-24 13:46:10,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-24 13:46:10,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:46:10,227 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:46:10,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 13:46:10,228 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:46:10,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:46:10,229 INFO L85 PathProgramCache]: Analyzing trace with hash -674011095, now seen corresponding path program 1 times [2024-10-24 13:46:10,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:46:10,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708523402] [2024-10-24 13:46:10,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:46:10,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:46:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:46:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:46:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:46:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 13:46:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:46:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:46:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 13:46:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:46:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 13:46:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 13:46:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:46:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 13:46:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:46:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 13:46:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 13:46:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 13:46:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 13:46:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:46:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:46:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:46:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 13:46:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-10-24 13:46:10,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:46:10,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708523402] [2024-10-24 13:46:10,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708523402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:46:10,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:46:10,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:46:10,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573920999] [2024-10-24 13:46:10,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:46:10,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:46:10,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:46:10,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:46:10,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:46:10,607 INFO L87 Difference]: Start difference. First operand 2876 states and 4209 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 13:46:17,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:46:17,784 INFO L93 Difference]: Finished difference Result 6246 states and 9296 transitions. [2024-10-24 13:46:17,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:46:17,785 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (31), 8 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 209 [2024-10-24 13:46:17,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:46:17,802 INFO L225 Difference]: With dead ends: 6246 [2024-10-24 13:46:17,802 INFO L226 Difference]: Without dead ends: 3390 [2024-10-24 13:46:17,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-10-24 13:46:17,811 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 3385 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 8423 mSolverCounterSat, 2325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3408 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 10748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2325 IncrementalHoareTripleChecker+Valid, 8423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:46:17,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3408 Valid, 1473 Invalid, 10748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2325 Valid, 8423 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-10-24 13:46:17,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3390 states. [2024-10-24 13:46:18,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3390 to 2878. [2024-10-24 13:46:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2878 states, 2033 states have (on average 1.4146581406788) internal successors, (2876), 2065 states have internal predecessors, (2876), 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) [2024-10-24 13:46:18,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2878 states and 4211 transitions. [2024-10-24 13:46:18,174 INFO L78 Accepts]: Start accepts. Automaton has 2878 states and 4211 transitions. Word has length 209 [2024-10-24 13:46:18,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:46:18,179 INFO L471 AbstractCegarLoop]: Abstraction has 2878 states and 4211 transitions. [2024-10-24 13:46:18,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 13:46:18,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2878 states and 4211 transitions. [2024-10-24 13:46:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-24 13:46:18,198 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:46:18,199 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:46:18,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 13:46:18,199 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:46:18,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:46:18,199 INFO L85 PathProgramCache]: Analyzing trace with hash -230110421, now seen corresponding path program 1 times [2024-10-24 13:46:18,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:46:18,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733475711] [2024-10-24 13:46:18,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:46:18,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:46:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:46:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:46:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:46:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 13:46:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:46:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:46:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 13:46:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:46:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 13:46:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 13:46:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:46:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 13:46:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:46:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 13:46:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 13:46:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 13:46:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 13:46:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:46:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:46:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:46:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 13:46:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-24 13:46:18,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:46:18,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733475711] [2024-10-24 13:46:18,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733475711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:46:18,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:46:18,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 13:46:18,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007788029] [2024-10-24 13:46:18,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:46:18,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 13:46:18,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:46:18,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 13:46:18,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:46:18,645 INFO L87 Difference]: Start difference. First operand 2878 states and 4211 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-24 13:46:28,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:46:28,724 INFO L93 Difference]: Finished difference Result 6482 states and 9609 transitions. [2024-10-24 13:46:28,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 13:46:28,725 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (31), 8 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 209 [2024-10-24 13:46:28,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:46:28,744 INFO L225 Difference]: With dead ends: 6482 [2024-10-24 13:46:28,748 INFO L226 Difference]: Without dead ends: 3624 [2024-10-24 13:46:28,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2024-10-24 13:46:28,756 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 3408 mSDsluCounter, 3198 mSDsCounter, 0 mSdLazyCounter, 14513 mSolverCounterSat, 1938 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3457 SdHoareTripleChecker+Valid, 3698 SdHoareTripleChecker+Invalid, 16451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1938 IncrementalHoareTripleChecker+Valid, 14513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:46:28,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3457 Valid, 3698 Invalid, 16451 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1938 Valid, 14513 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-10-24 13:46:28,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3624 states. [2024-10-24 13:46:28,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3624 to 2878. [2024-10-24 13:46:28,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2878 states, 2033 states have (on average 1.4146581406788) internal successors, (2876), 2065 states have internal predecessors, (2876), 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) [2024-10-24 13:46:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2878 states and 4211 transitions. [2024-10-24 13:46:28,911 INFO L78 Accepts]: Start accepts. Automaton has 2878 states and 4211 transitions. Word has length 209 [2024-10-24 13:46:28,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:46:28,912 INFO L471 AbstractCegarLoop]: Abstraction has 2878 states and 4211 transitions. [2024-10-24 13:46:28,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (31), 8 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-24 13:46:28,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2878 states and 4211 transitions. [2024-10-24 13:46:28,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-24 13:46:28,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:46:28,921 INFO L215 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] [2024-10-24 13:46:28,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 13:46:28,922 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:46:28,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:46:28,922 INFO L85 PathProgramCache]: Analyzing trace with hash -680637273, now seen corresponding path program 1 times [2024-10-24 13:46:28,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:46:28,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701903462] [2024-10-24 13:46:28,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:46:28,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:46:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:46:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:46:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:46:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 13:46:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:46:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:46:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 13:46:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 13:46:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 13:46:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 13:46:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 13:46:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 13:46:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 13:46:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 13:46:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 13:46:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:46:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 13:46:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 13:46:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 13:46:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 13:46:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:46:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 13:46:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-24 13:46:29,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:46:29,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701903462] [2024-10-24 13:46:29,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701903462] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:46:29,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:46:29,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 13:46:29,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343109351] [2024-10-24 13:46:29,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:46:29,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 13:46:29,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:46:29,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 13:46:29,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:46:29,809 INFO L87 Difference]: Start difference. First operand 2878 states and 4211 transitions. Second operand has 11 states, 10 states have (on average 12.5) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-24 13:46:30,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:46:30,361 INFO L93 Difference]: Finished difference Result 2974 states and 4337 transitions. [2024-10-24 13:46:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:46:30,361 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.5) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (32), 8 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 212 [2024-10-24 13:46:30,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:46:30,364 INFO L225 Difference]: With dead ends: 2974 [2024-10-24 13:46:30,367 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 13:46:30,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-10-24 13:46:30,380 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 83 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:46:30,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 548 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 13:46:30,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 13:46:30,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 13:46:30,381 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) [2024-10-24 13:46:30,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 13:46:30,384 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2024-10-24 13:46:30,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:46:30,384 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 13:46:30,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.5) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-24 13:46:30,388 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 13:46:30,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 13:46:30,391 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 13:46:30,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 13:46:30,393 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:46:30,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.