./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx --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 e44a545a91d2eacf9585bff27fb9a46d8099e115cc8604c75bf27cf31152824a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:08:46,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:08:46,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:08:46,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:08:46,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:08:46,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:08:46,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:08:46,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:08:46,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:08:46,998 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:08:46,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:08:46,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:08:47,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:08:47,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:08:47,002 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:08:47,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:08:47,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:08:47,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:08:47,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:08:47,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:08:47,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:08:47,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:08:47,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:08:47,007 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:08:47,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:08:47,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:08:47,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:08:47,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:08:47,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:47,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:08:47,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:08:47,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:08:47,012 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:08:47,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:08:47,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:08:47,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:08:47,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:08:47,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:08:47,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:08:47,015 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e44a545a91d2eacf9585bff27fb9a46d8099e115cc8604c75bf27cf31152824a [2023-11-21 22:08:47,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:08:47,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:08:47,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:08:47,289 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:08:47,290 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:08:47,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i [2023-11-21 22:08:50,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:08:51,275 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:08:51,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i [2023-11-21 22:08:51,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/data/5fa96dd81/05d71916c94d4b99a14293a4a71bc1fa/FLAGaafc19a60 [2023-11-21 22:08:51,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/data/5fa96dd81/05d71916c94d4b99a14293a4a71bc1fa [2023-11-21 22:08:51,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:08:51,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:08:51,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:51,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:08:51,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:08:51,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:51" (1/1) ... [2023-11-21 22:08:51,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289bbf61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:51, skipping insertion in model container [2023-11-21 22:08:51,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:51" (1/1) ... [2023-11-21 22:08:51,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:08:51,997 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3943] [2023-11-21 22:08:51,998 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3944-3945] [2023-11-21 22:08:52,229 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i[121227,121240] [2023-11-21 22:08:53,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:53,291 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:08:53,468 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3943] [2023-11-21 22:08:53,469 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3944-3945] [2023-11-21 22:08:53,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4055] [2023-11-21 22:08:53,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [4063] [2023-11-21 22:08:53,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4071] [2023-11-21 22:08:53,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [4078] [2023-11-21 22:08:53,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [4085] [2023-11-21 22:08:53,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4092] [2023-11-21 22:08:53,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4105] [2023-11-21 22:08:53,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4113] [2023-11-21 22:08:53,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [4120] [2023-11-21 22:08:53,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [4128] [2023-11-21 22:08:53,493 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i[121227,121240] [2023-11-21 22:08:53,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:54,084 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:08:54,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54 WrapperNode [2023-11-21 22:08:54,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:54,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:54,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:08:54,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:08:54,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,583 INFO L138 Inliner]: procedures = 203, calls = 5070, calls flagged for inlining = 107, calls inlined = 103, statements flattened = 7900 [2023-11-21 22:08:54,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:54,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:08:54,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:08:54,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:08:54,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,739 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:55,367 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memset is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:08:55,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:55,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:55,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:55,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:55,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:55,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:55,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:08:55,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:08:55,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:08:55,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:08:55,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:55,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:55,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:08:55,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:08:55,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e270ce2-4cef-4e0e-9676-f19cc7c7e176/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:08:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:08:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:08:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:08:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:08:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:08:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:08:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-21 22:08:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-21 22:08:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_remove_ports [2023-11-21 22:08:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_remove_ports [2023-11-21 22:08:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_resume_one [2023-11-21 22:08:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_resume_one [2023-11-21 22:08:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-11-21 22:08:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-11-21 22:08:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_remove_one [2023-11-21 22:08:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_remove_one [2023-11-21 22:08:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure skip_tx_en_setup [2023-11-21 22:08:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skip_tx_en_setup [2023-11-21 22:08:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:08:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:08:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_io_slot_reset [2023-11-21 22:08:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_io_slot_reset [2023-11-21 22:08:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2023-11-21 22:08:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2023-11-21 22:08:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:08:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:08:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:08:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:08:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_io_resume [2023-11-21 22:08:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_io_resume [2023-11-21 22:08:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-21 22:08:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-21 22:08:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure moan_device [2023-11-21 22:08:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure moan_device [2023-11-21 22:08:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:08:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:08:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-21 22:08:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-21 22:08:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:08:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 22:08:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 22:08:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:08:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:08:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:08:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-21 22:08:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-21 22:08:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure setup_port [2023-11-21 22:08:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_port [2023-11-21 22:08:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 22:08:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 22:08:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_rqopr [2023-11-21 22:08:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_rqopr [2023-11-21 22:08:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-21 22:08:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-21 22:08:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-21 22:08:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-21 22:08:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pci_guess_board [2023-11-21 22:08:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pci_guess_board [2023-11-21 22:08:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_wqopr [2023-11-21 22:08:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_wqopr [2023-11-21 22:08:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:08:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-21 22:08:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-21 22:08:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-21 22:08:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-21 22:08:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-21 22:08:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-21 22:08:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:08:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-21 22:08:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-21 22:08:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:08:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_wqmcr [2023-11-21 22:08:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_wqmcr [2023-11-21 22:08:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_default_setup [2023-11-21 22:08:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_default_setup [2023-11-21 22:08:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure find_quirk [2023-11-21 22:08:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure find_quirk [2023-11-21 22:08:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:08:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:08:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-21 22:08:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-21 22:08:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:08:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 22:08:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 22:08:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-21 22:08:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-21 22:08:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:08:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:08:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:08:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:08:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2023-11-21 22:08:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2023-11-21 22:08:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-21 22:08:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-21 22:08:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:08:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-21 22:08:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-21 22:08:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_id_matches [2023-11-21 22:08:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_id_matches [2023-11-21 22:08:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:08:55,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:08:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:08:55,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:08:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_rqmcr [2023-11-21 22:08:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_rqmcr [2023-11-21 22:08:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-21 22:08:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-21 22:08:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-21 22:08:55,842 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-21 22:08:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-21 22:08:55,842 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-21 22:08:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_io_error_detected [2023-11-21 22:08:55,843 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_io_error_detected [2023-11-21 22:08:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-21 22:08:55,843 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-21 22:08:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-21 22:08:55,843 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-21 22:08:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-21 22:08:55,844 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-21 22:08:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:08:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-21 22:08:55,844 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-21 22:08:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_resume_ports [2023-11-21 22:08:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_resume_ports [2023-11-21 22:08:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_suspend_ports [2023-11-21 22:08:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_suspend_ports [2023-11-21 22:08:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:08:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:08:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 22:08:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 22:08:56,528 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:08:56,532 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:08:56,889 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:09:08,379 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:09:11,581 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:09:11,582 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:09:11,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:11 BoogieIcfgContainer [2023-11-21 22:09:11,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:09:11,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:09:11,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:09:11,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:09:11,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:08:51" (1/3) ... [2023-11-21 22:09:11,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e211b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:09:11, skipping insertion in model container [2023-11-21 22:09:11,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (2/3) ... [2023-11-21 22:09:11,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e211b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:09:11, skipping insertion in model container [2023-11-21 22:09:11,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:11" (3/3) ... [2023-11-21 22:09:11,611 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i [2023-11-21 22:09:11,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:09:11,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:09:11,726 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:09:11,733 INFO L357 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, mHoare=true, 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;@4cc04672, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:09:11,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:09:11,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 942 states, 589 states have (on average 1.400679117147708) internal successors, (825), 617 states have internal predecessors, (825), 295 states have call successors, (295), 57 states have call predecessors, (295), 56 states have return successors, (291), 284 states have call predecessors, (291), 291 states have call successors, (291) [2023-11-21 22:09:11,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-21 22:09:11,782 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:09:11,783 INFO L195 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:09:11,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:09:11,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:11,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1932157917, now seen corresponding path program 1 times [2023-11-21 22:09:11,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:11,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320853364] [2023-11-21 22:09:11,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:11,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:09:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:09:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-21 22:09:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:09:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:09:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:09:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-21 22:09:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-21 22:09:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-21 22:09:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-21 22:09:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:09:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-21 22:09:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-21 22:09:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:09:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:09:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-21 22:09:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-21 22:09:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-11-21 22:09:13,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:13,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320853364] [2023-11-21 22:09:13,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320853364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:13,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:13,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:09:13,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339923184] [2023-11-21 22:09:13,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:13,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:09:13,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:13,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:09:13,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:09:13,943 INFO L87 Difference]: Start difference. First operand has 942 states, 589 states have (on average 1.400679117147708) internal successors, (825), 617 states have internal predecessors, (825), 295 states have call successors, (295), 57 states have call predecessors, (295), 56 states have return successors, (291), 284 states have call predecessors, (291), 291 states have call successors, (291) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-21 22:09:22,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:09:22,469 INFO L93 Difference]: Finished difference Result 2682 states and 4036 transitions. [2023-11-21 22:09:22,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:09:22,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 105 [2023-11-21 22:09:22,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:09:22,528 INFO L225 Difference]: With dead ends: 2682 [2023-11-21 22:09:22,528 INFO L226 Difference]: Without dead ends: 1734 [2023-11-21 22:09:22,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:09:22,549 INFO L413 NwaCegarLoop]: 979 mSDtfsCounter, 2047 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 1726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2133 SdHoareTripleChecker+Valid, 2538 SdHoareTripleChecker+Invalid, 3561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1726 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:09:22,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2133 Valid, 2538 Invalid, 3561 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1726 Valid, 1835 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-11-21 22:09:22,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2023-11-21 22:09:22,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1432. [2023-11-21 22:09:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 909 states have (on average 1.386138613861386) internal successors, (1260), 948 states have internal predecessors, (1260), 423 states have call successors, (423), 100 states have call predecessors, (423), 99 states have return successors, (422), 408 states have call predecessors, (422), 422 states have call successors, (422) [2023-11-21 22:09:23,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2105 transitions. [2023-11-21 22:09:23,010 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2105 transitions. Word has length 105 [2023-11-21 22:09:23,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:09:23,011 INFO L495 AbstractCegarLoop]: Abstraction has 1432 states and 2105 transitions. [2023-11-21 22:09:23,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-21 22:09:23,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2105 transitions. [2023-11-21 22:09:23,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-21 22:09:23,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:09:23,032 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:09:23,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:09:23,033 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:09:23,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:23,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1753332727, now seen corresponding path program 1 times [2023-11-21 22:09:23,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:23,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045945231] [2023-11-21 22:09:23,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:23,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:09:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:09:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-21 22:09:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:09:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:09:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-21 22:09:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:09:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:09:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-21 22:09:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-21 22:09:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:09:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-21 22:09:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-21 22:09:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-21 22:09:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-21 22:09:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:09:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:09:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-21 22:09:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-21 22:09:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-21 22:09:25,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:25,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045945231] [2023-11-21 22:09:25,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045945231] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:25,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:25,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:09:25,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926763726] [2023-11-21 22:09:25,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:25,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:09:25,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:25,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:09:25,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:09:25,855 INFO L87 Difference]: Start difference. First operand 1432 states and 2105 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-21 22:09:32,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:09:32,988 INFO L93 Difference]: Finished difference Result 1733 states and 2609 transitions. [2023-11-21 22:09:32,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:09:32,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 126 [2023-11-21 22:09:32,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:09:32,990 INFO L225 Difference]: With dead ends: 1733 [2023-11-21 22:09:32,990 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:09:32,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:09:33,000 INFO L413 NwaCegarLoop]: 954 mSDtfsCounter, 1886 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 1793 mSolverCounterSat, 1250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 2493 SdHoareTripleChecker+Invalid, 3043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1250 IncrementalHoareTripleChecker+Valid, 1793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:09:33,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2053 Valid, 2493 Invalid, 3043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1250 Valid, 1793 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-11-21 22:09:33,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:09:33,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:09:33,002 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) [2023-11-21 22:09:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:09:33,003 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 126 [2023-11-21 22:09:33,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:09:33,004 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:09:33,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-21 22:09:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:09:33,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:09:33,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:09:33,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:09:33,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.