./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB --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 1848e360a16ec6531e7d7aea690ab68ac7295c6b0bdec191a41fa9ee0518b66d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:50:46,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:50:46,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 19:50:46,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:50:46,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:50:46,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:50:46,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:50:46,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:50:46,917 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:50:46,917 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:50:46,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:50:46,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:50:46,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:50:46,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:50:46,920 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:50:46,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:50:46,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:50:46,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:50:46,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:50:46,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:50:46,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:50:46,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:50:46,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:50:46,922 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:50:46,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:50:46,922 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:50:46,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:46,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:50:46,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:46,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:46,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:50:46,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:46,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:50:46,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:46,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:46,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:50:46,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:50:46,925 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:50:46,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:50:46,925 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:50:46,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:50:46,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:50:46,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:50:46,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:50:46,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:50:46,925 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 1848e360a16ec6531e7d7aea690ab68ac7295c6b0bdec191a41fa9ee0518b66d [2024-11-27 19:50:47,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:50:47,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:50:47,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:50:47,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:50:47,233 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:50:47,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2024-11-27 19:50:50,287 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/data/67450546f/f590842ebb8349dd91e299f0aded6fbb/FLAG530bab998 [2024-11-27 19:50:51,004 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:50:51,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2024-11-27 19:50:51,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/data/67450546f/f590842ebb8349dd91e299f0aded6fbb/FLAG530bab998 [2024-11-27 19:50:51,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/data/67450546f/f590842ebb8349dd91e299f0aded6fbb [2024-11-27 19:50:51,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:50:51,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:50:51,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:51,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:50:51,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:50:51,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:51" (1/1) ... [2024-11-27 19:50:51,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b84b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:51, skipping insertion in model container [2024-11-27 19:50:51,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:51" (1/1) ... [2024-11-27 19:50:51,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:50:52,358 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i[196736,196749] [2024-11-27 19:50:53,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:53,129 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:50:53,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6556] [2024-11-27 19:50:53,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6579] [2024-11-27 19:50:53,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6587-6588] [2024-11-27 19:50:53,353 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 *)"/work/ldvuser/mutilin/launch/inst/current/envs/linux-3.12-rc1.tar.xz/linux-3.12-rc1/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6613-6614] [2024-11-27 19:50:53,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6619-6621] [2024-11-27 19:50:53,370 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i[196736,196749] [2024-11-27 19:50:53,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:53,763 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:50:53,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53 WrapperNode [2024-11-27 19:50:53,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:53,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:53,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:50:53,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:50:53,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:53,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:54,058 INFO L138 Inliner]: procedures = 201, calls = 1580, calls flagged for inlining = 91, calls inlined = 86, statements flattened = 2809 [2024-11-27 19:50:54,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:54,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:50:54,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:50:54,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:50:54,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:54,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:54,099 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:54,780 INFO L175 MemorySlicer]: Split 663 memory accesses to 17 slices as follows [2, 8, 4, 5, 5, 8, 3, 1, 2, 110, 1, 44, 8, 1, 451, 2, 8]. 68 percent of accesses are in the largest equivalence class. The 129 initializations are split as follows [2, 0, 0, 0, 0, 8, 0, 0, 0, 110, 1, 0, 8, 0, 0, 0, 0]. The 315 writes are split as follows [0, 2, 2, 0, 0, 0, 2, 0, 1, 0, 0, 44, 0, 0, 263, 0, 1]. [2024-11-27 19:50:54,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:54,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:54,938 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:54,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:54,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:55,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:55,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:55,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:50:55,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:50:55,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:50:55,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:50:55,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (1/1) ... [2024-11-27 19:50:55,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:55,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:55,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:55,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:50:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-27 19:50:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-27 19:50:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2024-11-27 19:50:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2024-11-27 19:50:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_12 [2024-11-27 19:50:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_12 [2024-11-27 19:50:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 19:50:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 19:50:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 19:50:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 19:50:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 19:50:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 19:50:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 19:50:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 19:50:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 19:50:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 19:50:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 19:50:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 19:50:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 19:50:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 19:50:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-27 19:50:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-27 19:50:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-27 19:50:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 19:50:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 19:50:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 19:50:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 19:50:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 19:50:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 19:50:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 19:50:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 19:50:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 19:50:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 19:50:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 19:50:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 19:50:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 19:50:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 19:50:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 19:50:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 19:50:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 19:50:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 19:50:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 19:50:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2024-11-27 19:50:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2024-11-27 19:50:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-11-27 19:50:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-11-27 19:50:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-27 19:50:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-27 19:50:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2024-11-27 19:50:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2024-11-27 19:50:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 19:50:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 19:50:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2024-11-27 19:50:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2024-11-27 19:50:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-27 19:50:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-27 19:50:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-11-27 19:50:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-11-27 19:50:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2024-11-27 19:50:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2024-11-27 19:50:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-27 19:50:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-27 19:50:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-27 19:50:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-27 19:50:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 19:50:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 19:50:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 19:50:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-27 19:50:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-27 19:50:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-27 19:50:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-27 19:50:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-27 19:50:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-27 19:50:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-27 19:50:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-27 19:50:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-27 19:50:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-27 19:50:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-27 19:50:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-27 19:50:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-27 19:50:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-27 19:50:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 19:50:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 19:50:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 19:50:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-27 19:50:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-27 19:50:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-27 19:50:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-27 19:50:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-27 19:50:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-27 19:50:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-27 19:50:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-27 19:50:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-27 19:50:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-27 19:50:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-27 19:50:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-27 19:50:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-27 19:50:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-27 19:50:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 19:50:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 19:50:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2024-11-27 19:50:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2024-11-27 19:50:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-27 19:50:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-27 19:50:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-27 19:50:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-27 19:50:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2024-11-27 19:50:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2024-11-27 19:50:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 19:50:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-11-27 19:50:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-11-27 19:50:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-27 19:50:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-27 19:50:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 19:50:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 19:50:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 19:50:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 19:50:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 19:50:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 19:50:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 19:50:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 19:50:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 19:50:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 19:50:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 19:50:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 19:50:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 19:50:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 19:50:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 19:50:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 19:50:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 19:50:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-27 19:50:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-27 19:50:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2024-11-27 19:50:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2024-11-27 19:50:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 19:50:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 19:50:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 19:50:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 19:50:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 19:50:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 19:50:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 19:50:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 19:50:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 19:50:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 19:50:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 19:50:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 19:50:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 19:50:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 19:50:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 19:50:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-27 19:50:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-27 19:50:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-27 19:50:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2024-11-27 19:50:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2024-11-27 19:50:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 19:50:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 19:50:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-27 19:50:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-27 19:50:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-27 19:50:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-27 19:50:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2024-11-27 19:50:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2024-11-27 19:50:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-27 19:50:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-27 19:50:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-27 19:50:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-27 19:50:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-27 19:50:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-27 19:50:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2024-11-27 19:50:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2024-11-27 19:50:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-27 19:50:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-27 19:50:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2024-11-27 19:50:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2024-11-27 19:50:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-11-27 19:50:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-11-27 19:50:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-11-27 19:50:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-11-27 19:50:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2024-11-27 19:50:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2024-11-27 19:50:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2024-11-27 19:50:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2024-11-27 19:50:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 19:50:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 19:50:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 19:50:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 19:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 19:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 19:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 19:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 19:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 19:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 19:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 19:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 19:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 19:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 19:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-27 19:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-27 19:50:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-27 19:50:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-27 19:50:55,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-27 19:50:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-27 19:50:55,201 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-27 19:50:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-27 19:50:55,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-27 19:50:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 19:50:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 19:50:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 19:50:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 19:50:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 19:50:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2024-11-27 19:50:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2024-11-27 19:50:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-11-27 19:50:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-11-27 19:50:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2024-11-27 19:50:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2024-11-27 19:50:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-27 19:50:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 19:50:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 19:50:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 19:50:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 19:50:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 19:50:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 19:50:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 19:50:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-27 19:50:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-27 19:50:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-27 19:50:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-27 19:50:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-27 19:50:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-27 19:50:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-27 19:50:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-27 19:50:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-27 19:50:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-27 19:50:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-27 19:50:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-27 19:50:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-27 19:50:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-27 19:50:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-27 19:50:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-27 19:50:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-27 19:50:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-27 19:50:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-27 19:50:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-27 19:50:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-27 19:50:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-27 19:50:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-27 19:50:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-27 19:50:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-27 19:50:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-27 19:50:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-27 19:50:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-27 19:50:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-27 19:50:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-27 19:50:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-27 19:50:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-27 19:50:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-27 19:50:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-27 19:50:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-27 19:50:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-27 19:50:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-27 19:50:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-27 19:50:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 19:50:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 19:50:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-27 19:50:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-27 19:50:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2024-11-27 19:50:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2024-11-27 19:50:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 19:50:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 19:50:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 19:50:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 19:50:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 19:50:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 19:50:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 19:50:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 19:50:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 19:50:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 19:50:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 19:50:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 19:50:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 19:50:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 19:50:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 19:50:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 19:50:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 19:50:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2024-11-27 19:50:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2024-11-27 19:50:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2024-11-27 19:50:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 19:50:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2024-11-27 19:50:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2024-11-27 19:50:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-27 19:50:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 19:50:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 19:50:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-27 19:50:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2024-11-27 19:50:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2024-11-27 19:50:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-27 19:50:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2024-11-27 19:50:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2024-11-27 19:50:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2024-11-27 19:50:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-27 19:50:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 19:50:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 19:50:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 19:50:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 19:50:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:50:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:50:56,353 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:50:56,356 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:50:57,391 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 19:51:02,362 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-27 19:51:13,227 INFO L? ?]: Removed 1693 outVars from TransFormulas that were not future-live. [2024-11-27 19:51:13,228 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:51:13,267 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:51:13,267 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 19:51:13,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:51:13 BoogieIcfgContainer [2024-11-27 19:51:13,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:51:13,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:51:13,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:51:13,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:51:13,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:50:51" (1/3) ... [2024-11-27 19:51:13,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e914d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:51:13, skipping insertion in model container [2024-11-27 19:51:13,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:53" (2/3) ... [2024-11-27 19:51:13,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e914d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:51:13, skipping insertion in model container [2024-11-27 19:51:13,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:51:13" (3/3) ... [2024-11-27 19:51:13,279 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2024-11-27 19:51:13,296 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:51:13,298 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i that has 102 procedures, 1396 locations, 1 initial locations, 52 loop locations, and 1 error locations. [2024-11-27 19:51:13,398 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:51:13,410 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;@722088f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:51:13,410 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 19:51:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 1254 states, 886 states have (on average 1.317155756207675) internal successors, (1167), 913 states have internal predecessors, (1167), 298 states have call successors, (298), 70 states have call predecessors, (298), 68 states have return successors, (292), 284 states have call predecessors, (292), 292 states have call successors, (292) [2024-11-27 19:51:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-27 19:51:13,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:13,430 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:13,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:13,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:13,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1657017925, now seen corresponding path program 1 times [2024-11-27 19:51:13,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:13,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630359782] [2024-11-27 19:51:13,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:13,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:16,878 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-27 19:51:16,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:16,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630359782] [2024-11-27 19:51:16,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630359782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:16,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:16,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:51:16,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116570790] [2024-11-27 19:51:16,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:16,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:16,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:16,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:16,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:16,919 INFO L87 Difference]: Start difference. First operand has 1254 states, 886 states have (on average 1.317155756207675) internal successors, (1167), 913 states have internal predecessors, (1167), 298 states have call successors, (298), 70 states have call predecessors, (298), 68 states have return successors, (292), 284 states have call predecessors, (292), 292 states have call successors, (292) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-27 19:51:21,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 19:51:21,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:21,601 INFO L93 Difference]: Finished difference Result 3709 states and 5332 transitions. [2024-11-27 19:51:21,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:21,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 52 [2024-11-27 19:51:21,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:21,661 INFO L225 Difference]: With dead ends: 3709 [2024-11-27 19:51:21,661 INFO L226 Difference]: Without dead ends: 2436 [2024-11-27 19:51:21,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:21,688 INFO L435 NwaCegarLoop]: 1753 mSDtfsCounter, 1685 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 3477 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:21,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1685 Valid, 3477 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-27 19:51:21,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2024-11-27 19:51:22,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 2436. [2024-11-27 19:51:22,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2436 states, 1730 states have (on average 1.301156069364162) internal successors, (2251), 1764 states have internal predecessors, (2251), 572 states have call successors, (572), 134 states have call predecessors, (572), 133 states have return successors, (567), 551 states have call predecessors, (567), 567 states have call successors, (567) [2024-11-27 19:51:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 3390 transitions. [2024-11-27 19:51:22,128 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 3390 transitions. Word has length 52 [2024-11-27 19:51:22,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:22,129 INFO L471 AbstractCegarLoop]: Abstraction has 2436 states and 3390 transitions. [2024-11-27 19:51:22,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-27 19:51:22,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3390 transitions. [2024-11-27 19:51:22,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-27 19:51:22,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:22,136 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:22,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:51:22,137 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:22,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:22,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1985463444, now seen corresponding path program 1 times [2024-11-27 19:51:22,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:22,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899406057] [2024-11-27 19:51:22,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:22,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 19:51:23,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:23,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899406057] [2024-11-27 19:51:23,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899406057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:23,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:23,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:51:23,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782687555] [2024-11-27 19:51:23,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:23,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:23,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:23,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:23,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:23,929 INFO L87 Difference]: Start difference. First operand 2436 states and 3390 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 19:51:24,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:24,134 INFO L93 Difference]: Finished difference Result 2462 states and 3422 transitions. [2024-11-27 19:51:24,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:24,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62 [2024-11-27 19:51:24,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:24,160 INFO L225 Difference]: With dead ends: 2462 [2024-11-27 19:51:24,160 INFO L226 Difference]: Without dead ends: 2449 [2024-11-27 19:51:24,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:24,165 INFO L435 NwaCegarLoop]: 1738 mSDtfsCounter, 1718 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:24,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 1754 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:51:24,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2449 states. [2024-11-27 19:51:24,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2449 to 2436. [2024-11-27 19:51:24,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2436 states, 1730 states have (on average 1.300578034682081) internal successors, (2250), 1764 states have internal predecessors, (2250), 572 states have call successors, (572), 134 states have call predecessors, (572), 133 states have return successors, (567), 551 states have call predecessors, (567), 567 states have call successors, (567) [2024-11-27 19:51:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 3389 transitions. [2024-11-27 19:51:24,377 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 3389 transitions. Word has length 62 [2024-11-27 19:51:24,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:24,378 INFO L471 AbstractCegarLoop]: Abstraction has 2436 states and 3389 transitions. [2024-11-27 19:51:24,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 19:51:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3389 transitions. [2024-11-27 19:51:24,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-27 19:51:24,383 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:24,383 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:24,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:51:24,383 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:24,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:24,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2042721746, now seen corresponding path program 1 times [2024-11-27 19:51:24,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:24,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017807954] [2024-11-27 19:51:24,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:24,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:27,229 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 19:51:27,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:27,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017807954] [2024-11-27 19:51:27,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017807954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:27,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:27,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:51:27,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526567064] [2024-11-27 19:51:27,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:27,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:27,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:27,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:27,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:27,234 INFO L87 Difference]: Start difference. First operand 2436 states and 3389 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 19:51:27,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:27,830 INFO L93 Difference]: Finished difference Result 7255 states and 10388 transitions. [2024-11-27 19:51:27,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:27,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62 [2024-11-27 19:51:27,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:27,896 INFO L225 Difference]: With dead ends: 7255 [2024-11-27 19:51:27,896 INFO L226 Difference]: Without dead ends: 4845 [2024-11-27 19:51:27,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:27,922 INFO L435 NwaCegarLoop]: 2267 mSDtfsCounter, 1725 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 3982 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:27,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 3982 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:51:27,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4845 states. [2024-11-27 19:51:28,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4845 to 4835. [2024-11-27 19:51:28,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4835 states, 3438 states have (on average 1.300174520069808) internal successors, (4470), 3502 states have internal predecessors, (4470), 1132 states have call successors, (1132), 265 states have call predecessors, (1132), 264 states have return successors, (1269), 1095 states have call predecessors, (1269), 1127 states have call successors, (1269) [2024-11-27 19:51:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4835 states to 4835 states and 6871 transitions. [2024-11-27 19:51:28,386 INFO L78 Accepts]: Start accepts. Automaton has 4835 states and 6871 transitions. Word has length 62 [2024-11-27 19:51:28,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:28,389 INFO L471 AbstractCegarLoop]: Abstraction has 4835 states and 6871 transitions. [2024-11-27 19:51:28,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 19:51:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 4835 states and 6871 transitions. [2024-11-27 19:51:28,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-27 19:51:28,395 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:28,395 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:28,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:51:28,395 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:28,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:28,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1100690784, now seen corresponding path program 1 times [2024-11-27 19:51:28,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:28,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518749421] [2024-11-27 19:51:28,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:28,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:30,663 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 19:51:30,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:30,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518749421] [2024-11-27 19:51:30,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518749421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:30,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:30,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:51:30,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767796884] [2024-11-27 19:51:30,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:30,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:30,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:30,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:30,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:30,666 INFO L87 Difference]: Start difference. First operand 4835 states and 6871 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 19:51:31,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:31,047 INFO L93 Difference]: Finished difference Result 4837 states and 6872 transitions. [2024-11-27 19:51:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:31,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 63 [2024-11-27 19:51:31,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:31,104 INFO L225 Difference]: With dead ends: 4837 [2024-11-27 19:51:31,104 INFO L226 Difference]: Without dead ends: 4834 [2024-11-27 19:51:31,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:31,112 INFO L435 NwaCegarLoop]: 1720 mSDtfsCounter, 1689 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:31,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1689 Valid, 1720 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:51:31,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4834 states. [2024-11-27 19:51:31,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4834 to 4834. [2024-11-27 19:51:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4834 states, 3438 states have (on average 1.2998836532867946) internal successors, (4469), 3501 states have internal predecessors, (4469), 1131 states have call successors, (1131), 265 states have call predecessors, (1131), 264 states have return successors, (1269), 1095 states have call predecessors, (1269), 1127 states have call successors, (1269) [2024-11-27 19:51:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4834 states to 4834 states and 6869 transitions. [2024-11-27 19:51:31,688 INFO L78 Accepts]: Start accepts. Automaton has 4834 states and 6869 transitions. Word has length 63 [2024-11-27 19:51:31,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:31,689 INFO L471 AbstractCegarLoop]: Abstraction has 4834 states and 6869 transitions. [2024-11-27 19:51:31,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 19:51:31,689 INFO L276 IsEmpty]: Start isEmpty. Operand 4834 states and 6869 transitions. [2024-11-27 19:51:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-27 19:51:31,691 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:31,691 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:31,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:51:31,692 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:31,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:31,692 INFO L85 PathProgramCache]: Analyzing trace with hash 237773461, now seen corresponding path program 1 times [2024-11-27 19:51:31,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:31,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537053691] [2024-11-27 19:51:31,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:31,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 19:51:33,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:33,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537053691] [2024-11-27 19:51:33,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537053691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:33,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:33,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:51:33,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855803511] [2024-11-27 19:51:33,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:33,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:33,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:33,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:33,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:33,973 INFO L87 Difference]: Start difference. First operand 4834 states and 6869 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 19:51:34,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:34,277 INFO L93 Difference]: Finished difference Result 4836 states and 6870 transitions. [2024-11-27 19:51:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:34,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 64 [2024-11-27 19:51:34,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:34,335 INFO L225 Difference]: With dead ends: 4836 [2024-11-27 19:51:34,335 INFO L226 Difference]: Without dead ends: 4833 [2024-11-27 19:51:34,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:34,343 INFO L435 NwaCegarLoop]: 1718 mSDtfsCounter, 1686 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1686 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:34,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1686 Valid, 1718 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:51:34,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4833 states. [2024-11-27 19:51:34,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4833 to 4833. [2024-11-27 19:51:34,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4833 states, 3438 states have (on average 1.2995927865037813) internal successors, (4468), 3500 states have internal predecessors, (4468), 1130 states have call successors, (1130), 265 states have call predecessors, (1130), 264 states have return successors, (1269), 1095 states have call predecessors, (1269), 1127 states have call successors, (1269) [2024-11-27 19:51:34,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4833 states to 4833 states and 6867 transitions. [2024-11-27 19:51:34,809 INFO L78 Accepts]: Start accepts. Automaton has 4833 states and 6867 transitions. Word has length 64 [2024-11-27 19:51:34,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:34,810 INFO L471 AbstractCegarLoop]: Abstraction has 4833 states and 6867 transitions. [2024-11-27 19:51:34,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 19:51:34,814 INFO L276 IsEmpty]: Start isEmpty. Operand 4833 states and 6867 transitions. [2024-11-27 19:51:34,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-27 19:51:34,815 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:34,815 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:34,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:51:34,815 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:34,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:34,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1219503037, now seen corresponding path program 1 times [2024-11-27 19:51:34,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:34,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373846769] [2024-11-27 19:51:34,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:34,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 19:51:36,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:36,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373846769] [2024-11-27 19:51:36,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373846769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:36,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:36,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:51:36,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652270452] [2024-11-27 19:51:36,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:36,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:36,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:36,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:36,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:36,378 INFO L87 Difference]: Start difference. First operand 4833 states and 6867 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 19:51:36,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:36,650 INFO L93 Difference]: Finished difference Result 4835 states and 6868 transitions. [2024-11-27 19:51:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:36,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 65 [2024-11-27 19:51:36,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:36,690 INFO L225 Difference]: With dead ends: 4835 [2024-11-27 19:51:36,690 INFO L226 Difference]: Without dead ends: 4832 [2024-11-27 19:51:36,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:36,696 INFO L435 NwaCegarLoop]: 1716 mSDtfsCounter, 1683 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:36,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 1716 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:51:36,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4832 states. [2024-11-27 19:51:37,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4832 to 4832. [2024-11-27 19:51:37,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4832 states, 3438 states have (on average 1.2993019197207678) internal successors, (4467), 3499 states have internal predecessors, (4467), 1129 states have call successors, (1129), 265 states have call predecessors, (1129), 264 states have return successors, (1269), 1095 states have call predecessors, (1269), 1127 states have call successors, (1269) [2024-11-27 19:51:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4832 states to 4832 states and 6865 transitions. [2024-11-27 19:51:37,074 INFO L78 Accepts]: Start accepts. Automaton has 4832 states and 6865 transitions. Word has length 65 [2024-11-27 19:51:37,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:37,075 INFO L471 AbstractCegarLoop]: Abstraction has 4832 states and 6865 transitions. [2024-11-27 19:51:37,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 19:51:37,076 INFO L276 IsEmpty]: Start isEmpty. Operand 4832 states and 6865 transitions. [2024-11-27 19:51:37,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-27 19:51:37,078 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:37,078 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:37,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 19:51:37,078 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:37,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:37,079 INFO L85 PathProgramCache]: Analyzing trace with hash 849570648, now seen corresponding path program 1 times [2024-11-27 19:51:37,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:37,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243712323] [2024-11-27 19:51:37,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:37,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 19:51:38,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:38,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243712323] [2024-11-27 19:51:38,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243712323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:38,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:38,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:51:38,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445249938] [2024-11-27 19:51:38,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:38,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:38,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:38,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:38,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:38,743 INFO L87 Difference]: Start difference. First operand 4832 states and 6865 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 19:51:39,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:39,061 INFO L93 Difference]: Finished difference Result 4834 states and 6866 transitions. [2024-11-27 19:51:39,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:39,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 66 [2024-11-27 19:51:39,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:39,132 INFO L225 Difference]: With dead ends: 4834 [2024-11-27 19:51:39,132 INFO L226 Difference]: Without dead ends: 4822 [2024-11-27 19:51:39,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:39,140 INFO L435 NwaCegarLoop]: 1715 mSDtfsCounter, 1680 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 1715 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:39,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 1715 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:51:39,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4822 states. [2024-11-27 19:51:39,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4822 to 4822. [2024-11-27 19:51:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4822 states, 3429 states have (on average 1.2992125984251968) internal successors, (4455), 3489 states have internal predecessors, (4455), 1128 states have call successors, (1128), 265 states have call predecessors, (1128), 264 states have return successors, (1269), 1095 states have call predecessors, (1269), 1127 states have call successors, (1269) [2024-11-27 19:51:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4822 states to 4822 states and 6852 transitions. [2024-11-27 19:51:39,652 INFO L78 Accepts]: Start accepts. Automaton has 4822 states and 6852 transitions. Word has length 66 [2024-11-27 19:51:39,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:39,655 INFO L471 AbstractCegarLoop]: Abstraction has 4822 states and 6852 transitions. [2024-11-27 19:51:39,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 19:51:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 4822 states and 6852 transitions. [2024-11-27 19:51:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-27 19:51:39,682 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:39,682 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:39,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:51:39,683 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:39,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:39,683 INFO L85 PathProgramCache]: Analyzing trace with hash -111504140, now seen corresponding path program 1 times [2024-11-27 19:51:39,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:39,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130610284] [2024-11-27 19:51:39,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:39,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:41,988 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-27 19:51:41,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:41,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130610284] [2024-11-27 19:51:41,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130610284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:41,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:41,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:51:41,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296280178] [2024-11-27 19:51:41,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:41,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:41,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:41,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:41,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:41,990 INFO L87 Difference]: Start difference. First operand 4822 states and 6852 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 19:51:42,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:42,562 INFO L93 Difference]: Finished difference Result 10110 states and 14331 transitions. [2024-11-27 19:51:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:42,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-27 19:51:42,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:42,613 INFO L225 Difference]: With dead ends: 10110 [2024-11-27 19:51:42,614 INFO L226 Difference]: Without dead ends: 5314 [2024-11-27 19:51:42,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:42,649 INFO L435 NwaCegarLoop]: 1714 mSDtfsCounter, 199 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 3388 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:42,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 3388 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:51:42,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5314 states. [2024-11-27 19:51:43,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5314 to 5304. [2024-11-27 19:51:43,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5304 states, 3767 states have (on average 1.2991770639766393) internal successors, (4894), 3827 states have internal predecessors, (4894), 1232 states have call successors, (1232), 305 states have call predecessors, (1232), 304 states have return successors, (1373), 1199 states have call predecessors, (1373), 1231 states have call successors, (1373) [2024-11-27 19:51:43,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5304 states to 5304 states and 7499 transitions. [2024-11-27 19:51:43,075 INFO L78 Accepts]: Start accepts. Automaton has 5304 states and 7499 transitions. Word has length 190 [2024-11-27 19:51:43,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:43,076 INFO L471 AbstractCegarLoop]: Abstraction has 5304 states and 7499 transitions. [2024-11-27 19:51:43,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 19:51:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 5304 states and 7499 transitions. [2024-11-27 19:51:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 19:51:43,089 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:43,089 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 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] [2024-11-27 19:51:43,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 19:51:43,090 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:43,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:43,091 INFO L85 PathProgramCache]: Analyzing trace with hash -226939968, now seen corresponding path program 1 times [2024-11-27 19:51:43,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:43,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81975623] [2024-11-27 19:51:43,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:43,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:45,667 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-27 19:51:45,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:45,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81975623] [2024-11-27 19:51:45,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81975623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:45,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:45,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:51:45,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045506583] [2024-11-27 19:51:45,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:45,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:51:45,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:45,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:51:45,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:51:45,672 INFO L87 Difference]: Start difference. First operand 5304 states and 7499 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-27 19:51:49,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 19:51:56,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:56,568 INFO L93 Difference]: Finished difference Result 10338 states and 14839 transitions. [2024-11-27 19:51:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:56,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 199 [2024-11-27 19:51:56,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:56,618 INFO L225 Difference]: With dead ends: 10338 [2024-11-27 19:51:56,618 INFO L226 Difference]: Without dead ends: 5060 [2024-11-27 19:51:56,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:51:56,664 INFO L435 NwaCegarLoop]: 1622 mSDtfsCounter, 1591 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 2692 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:56,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 2692 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 557 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2024-11-27 19:51:56,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5060 states. [2024-11-27 19:51:57,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5060 to 5060. [2024-11-27 19:51:57,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5060 states, 3579 states have (on average 1.2981279687063425) internal successors, (4646), 3639 states have internal predecessors, (4646), 1184 states have call successors, (1184), 297 states have call predecessors, (1184), 296 states have return successors, (1307), 1151 states have call predecessors, (1307), 1183 states have call successors, (1307) [2024-11-27 19:51:57,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 7137 transitions. [2024-11-27 19:51:57,206 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 7137 transitions. Word has length 199 [2024-11-27 19:51:57,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:57,206 INFO L471 AbstractCegarLoop]: Abstraction has 5060 states and 7137 transitions. [2024-11-27 19:51:57,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-27 19:51:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 7137 transitions. [2024-11-27 19:51:57,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-27 19:51:57,229 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:57,230 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:57,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 19:51:57,230 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:57,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:57,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1545596083, now seen corresponding path program 1 times [2024-11-27 19:51:57,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:57,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659906531] [2024-11-27 19:51:57,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:57,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-27 19:51:59,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:59,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659906531] [2024-11-27 19:51:59,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659906531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:51:59,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969318706] [2024-11-27 19:51:59,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:59,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:51:59,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:51:59,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:51:59,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 19:52:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:03,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 3338 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 19:52:03,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:52:04,139 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-27 19:52:04,143 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:52:04,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969318706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:04,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:52:04,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 19:52:04,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862790606] [2024-11-27 19:52:04,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:04,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:52:04,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:04,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:52:04,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:52:04,147 INFO L87 Difference]: Start difference. First operand 5060 states and 7137 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-27 19:52:05,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:05,475 INFO L93 Difference]: Finished difference Result 10110 states and 14497 transitions. [2024-11-27 19:52:05,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:52:05,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 241 [2024-11-27 19:52:05,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:05,548 INFO L225 Difference]: With dead ends: 10110 [2024-11-27 19:52:05,549 INFO L226 Difference]: Without dead ends: 5076 [2024-11-27 19:52:05,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:52:05,600 INFO L435 NwaCegarLoop]: 1622 mSDtfsCounter, 4 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3241 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:05,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3241 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 19:52:05,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2024-11-27 19:52:06,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 5064. [2024-11-27 19:52:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5064 states, 3583 states have (on average 1.297795143734301) internal successors, (4650), 3643 states have internal predecessors, (4650), 1184 states have call successors, (1184), 297 states have call predecessors, (1184), 296 states have return successors, (1307), 1151 states have call predecessors, (1307), 1183 states have call successors, (1307) [2024-11-27 19:52:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 7141 transitions. [2024-11-27 19:52:06,312 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 7141 transitions. Word has length 241 [2024-11-27 19:52:06,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:06,313 INFO L471 AbstractCegarLoop]: Abstraction has 5064 states and 7141 transitions. [2024-11-27 19:52:06,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-27 19:52:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 7141 transitions. [2024-11-27 19:52:06,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-27 19:52:06,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:06,337 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:06,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 19:52:06,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 19:52:06,539 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:06,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:06,541 INFO L85 PathProgramCache]: Analyzing trace with hash -2002427096, now seen corresponding path program 1 times [2024-11-27 19:52:06,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:06,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368368666] [2024-11-27 19:52:06,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:06,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-27 19:52:08,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:08,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368368666] [2024-11-27 19:52:08,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368368666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:52:08,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590903940] [2024-11-27 19:52:08,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:08,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:52:08,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:52:08,982 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:52:08,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 19:52:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:12,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 3438 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 19:52:12,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:52:12,660 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-27 19:52:12,660 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:52:12,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590903940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:12,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:52:12,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 19:52:12,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970628569] [2024-11-27 19:52:12,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:12,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:52:12,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:12,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:52:12,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:52:12,666 INFO L87 Difference]: Start difference. First operand 5064 states and 7141 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-27 19:52:13,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:13,099 INFO L93 Difference]: Finished difference Result 10110 states and 14493 transitions. [2024-11-27 19:52:13,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:52:13,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 244 [2024-11-27 19:52:13,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:13,156 INFO L225 Difference]: With dead ends: 10110 [2024-11-27 19:52:13,156 INFO L226 Difference]: Without dead ends: 5072 [2024-11-27 19:52:13,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:52:13,192 INFO L435 NwaCegarLoop]: 1623 mSDtfsCounter, 1 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3243 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:13,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3243 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:52:13,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5072 states. [2024-11-27 19:52:13,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5072 to 5068. [2024-11-27 19:52:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5068 states, 3587 states have (on average 1.2974630610538054) internal successors, (4654), 3647 states have internal predecessors, (4654), 1184 states have call successors, (1184), 297 states have call predecessors, (1184), 296 states have return successors, (1307), 1151 states have call predecessors, (1307), 1183 states have call successors, (1307) [2024-11-27 19:52:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5068 states to 5068 states and 7145 transitions. [2024-11-27 19:52:14,018 INFO L78 Accepts]: Start accepts. Automaton has 5068 states and 7145 transitions. Word has length 244 [2024-11-27 19:52:14,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:14,019 INFO L471 AbstractCegarLoop]: Abstraction has 5068 states and 7145 transitions. [2024-11-27 19:52:14,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-27 19:52:14,020 INFO L276 IsEmpty]: Start isEmpty. Operand 5068 states and 7145 transitions. [2024-11-27 19:52:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-11-27 19:52:14,051 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:14,051 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:14,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 19:52:14,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 19:52:14,252 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:14,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:14,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1468184268, now seen corresponding path program 1 times [2024-11-27 19:52:14,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:14,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149834489] [2024-11-27 19:52:14,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:14,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-27 19:52:17,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:17,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149834489] [2024-11-27 19:52:17,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149834489] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:52:17,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616167646] [2024-11-27 19:52:17,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:17,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:52:17,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:52:17,075 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:52:17,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 19:52:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:20,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 3465 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 19:52:20,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:52:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-27 19:52:20,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:52:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-27 19:52:22,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616167646] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:52:22,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:52:22,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-27 19:52:22,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952038110] [2024-11-27 19:52:22,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:52:22,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 19:52:22,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:22,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 19:52:22,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:52:22,644 INFO L87 Difference]: Start difference. First operand 5068 states and 7145 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-11-27 19:52:23,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:23,497 INFO L93 Difference]: Finished difference Result 10226 states and 14661 transitions. [2024-11-27 19:52:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:52:23,498 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) Word has length 246 [2024-11-27 19:52:23,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:23,550 INFO L225 Difference]: With dead ends: 10226 [2024-11-27 19:52:23,550 INFO L226 Difference]: Without dead ends: 5184 [2024-11-27 19:52:23,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:52:23,584 INFO L435 NwaCegarLoop]: 1624 mSDtfsCounter, 20 mSDsluCounter, 4856 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 6480 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:23,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 6480 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:52:23,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2024-11-27 19:52:24,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 5144. [2024-11-27 19:52:24,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 3651 states have (on average 1.2955354697343193) internal successors, (4730), 3711 states have internal predecessors, (4730), 1196 states have call successors, (1196), 297 states have call predecessors, (1196), 296 states have return successors, (1325), 1163 states have call predecessors, (1325), 1195 states have call successors, (1325) [2024-11-27 19:52:24,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 7251 transitions. [2024-11-27 19:52:24,106 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 7251 transitions. Word has length 246 [2024-11-27 19:52:24,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:24,111 INFO L471 AbstractCegarLoop]: Abstraction has 5144 states and 7251 transitions. [2024-11-27 19:52:24,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-11-27 19:52:24,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 7251 transitions. [2024-11-27 19:52:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-27 19:52:24,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:24,136 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:24,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 19:52:24,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 19:52:24,337 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:24,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:24,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1866468847, now seen corresponding path program 1 times [2024-11-27 19:52:24,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:24,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567208088] [2024-11-27 19:52:24,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:24,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:26,614 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-27 19:52:26,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:26,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567208088] [2024-11-27 19:52:26,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567208088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:26,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:26,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:52:26,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433114790] [2024-11-27 19:52:26,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:26,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:52:26,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:26,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:52:26,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:52:26,621 INFO L87 Difference]: Start difference. First operand 5144 states and 7251 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-27 19:52:27,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:27,072 INFO L93 Difference]: Finished difference Result 10278 states and 14735 transitions. [2024-11-27 19:52:27,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:52:27,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 277 [2024-11-27 19:52:27,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:27,128 INFO L225 Difference]: With dead ends: 10278 [2024-11-27 19:52:27,129 INFO L226 Difference]: Without dead ends: 5160 [2024-11-27 19:52:27,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:52:27,163 INFO L435 NwaCegarLoop]: 1622 mSDtfsCounter, 2 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3241 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:27,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3241 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:52:27,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5160 states. [2024-11-27 19:52:27,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5160 to 5148. [2024-11-27 19:52:27,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5148 states, 3655 states have (on average 1.2952120383036936) internal successors, (4734), 3715 states have internal predecessors, (4734), 1196 states have call successors, (1196), 297 states have call predecessors, (1196), 296 states have return successors, (1325), 1163 states have call predecessors, (1325), 1195 states have call successors, (1325) [2024-11-27 19:52:27,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 7255 transitions. [2024-11-27 19:52:27,775 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 7255 transitions. Word has length 277 [2024-11-27 19:52:27,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:27,777 INFO L471 AbstractCegarLoop]: Abstraction has 5148 states and 7255 transitions. [2024-11-27 19:52:27,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-27 19:52:27,778 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 7255 transitions. [2024-11-27 19:52:27,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-27 19:52:27,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:27,804 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:27,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 19:52:27,804 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:27,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:27,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1040823475, now seen corresponding path program 1 times [2024-11-27 19:52:27,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:27,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531198348] [2024-11-27 19:52:27,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:27,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:30,842 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-27 19:52:30,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:30,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531198348] [2024-11-27 19:52:30,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531198348] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:52:30,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706899003] [2024-11-27 19:52:30,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:30,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:52:30,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:52:30,848 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:52:30,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 19:52:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:34,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 3586 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 19:52:34,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:52:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-27 19:52:34,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:52:37,044 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-27 19:52:37,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706899003] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:52:37,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:52:37,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-27 19:52:37,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356221540] [2024-11-27 19:52:37,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:52:37,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 19:52:37,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:37,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 19:52:37,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:52:37,048 INFO L87 Difference]: Start difference. First operand 5148 states and 7255 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 5 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2024-11-27 19:52:37,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:37,862 INFO L93 Difference]: Finished difference Result 10318 states and 14803 transitions. [2024-11-27 19:52:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:52:37,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 5 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) Word has length 285 [2024-11-27 19:52:37,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:37,918 INFO L225 Difference]: With dead ends: 10318 [2024-11-27 19:52:37,918 INFO L226 Difference]: Without dead ends: 5196 [2024-11-27 19:52:37,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:52:37,957 INFO L435 NwaCegarLoop]: 1622 mSDtfsCounter, 4 mSDsluCounter, 8090 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 9712 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:37,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 9712 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:52:37,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2024-11-27 19:52:38,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 5196. [2024-11-27 19:52:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5196 states, 3691 states have (on average 1.2923327011649959) internal successors, (4770), 3751 states have internal predecessors, (4770), 1208 states have call successors, (1208), 297 states have call predecessors, (1208), 296 states have return successors, (1343), 1175 states have call predecessors, (1343), 1207 states have call successors, (1343) [2024-11-27 19:52:38,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 5196 states and 7321 transitions. [2024-11-27 19:52:38,443 INFO L78 Accepts]: Start accepts. Automaton has 5196 states and 7321 transitions. Word has length 285 [2024-11-27 19:52:38,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:38,445 INFO L471 AbstractCegarLoop]: Abstraction has 5196 states and 7321 transitions. [2024-11-27 19:52:38,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 5 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2024-11-27 19:52:38,445 INFO L276 IsEmpty]: Start isEmpty. Operand 5196 states and 7321 transitions. [2024-11-27 19:52:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-27 19:52:38,468 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:38,469 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:38,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 19:52:38,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-27 19:52:38,670 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:38,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:38,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1883573709, now seen corresponding path program 1 times [2024-11-27 19:52:38,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:38,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95415115] [2024-11-27 19:52:38,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:38,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-11-27 19:52:41,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:41,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95415115] [2024-11-27 19:52:41,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95415115] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:52:41,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478612561] [2024-11-27 19:52:41,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:41,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:52:41,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:52:41,027 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:52:41,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 19:52:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:44,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 3786 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 19:52:44,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:52:45,015 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-11-27 19:52:45,015 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:52:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-11-27 19:52:47,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478612561] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:52:47,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:52:47,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-27 19:52:47,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036770252] [2024-11-27 19:52:47,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:52:47,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 19:52:47,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:47,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 19:52:47,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:52:47,230 INFO L87 Difference]: Start difference. First operand 5196 states and 7321 transitions. Second operand has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-27 19:52:47,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:47,715 INFO L93 Difference]: Finished difference Result 10390 states and 14877 transitions. [2024-11-27 19:52:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:52:47,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 312 [2024-11-27 19:52:47,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:47,769 INFO L225 Difference]: With dead ends: 10390 [2024-11-27 19:52:47,769 INFO L226 Difference]: Without dead ends: 5220 [2024-11-27 19:52:47,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:52:47,804 INFO L435 NwaCegarLoop]: 1623 mSDtfsCounter, 2 mSDsluCounter, 3240 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4863 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:47,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4863 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:52:47,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5220 states. [2024-11-27 19:52:48,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5220 to 5220. [2024-11-27 19:52:48,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5220 states, 3715 states have (on average 1.2904441453566622) internal successors, (4794), 3775 states have internal predecessors, (4794), 1208 states have call successors, (1208), 297 states have call predecessors, (1208), 296 states have return successors, (1343), 1175 states have call predecessors, (1343), 1207 states have call successors, (1343) [2024-11-27 19:52:48,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 7345 transitions. [2024-11-27 19:52:48,307 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 7345 transitions. Word has length 312 [2024-11-27 19:52:48,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:48,308 INFO L471 AbstractCegarLoop]: Abstraction has 5220 states and 7345 transitions. [2024-11-27 19:52:48,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-27 19:52:48,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 7345 transitions. [2024-11-27 19:52:48,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-27 19:52:48,331 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:48,331 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-27 19:52:48,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 19:52:48,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-27 19:52:48,533 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:48,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:48,534 INFO L85 PathProgramCache]: Analyzing trace with hash 125365753, now seen corresponding path program 2 times [2024-11-27 19:52:48,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:48,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142103494] [2024-11-27 19:52:48,534 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:52:48,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:50,570 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 19:52:50,573 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:52:51,325 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-11-27 19:52:51,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:51,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142103494] [2024-11-27 19:52:51,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142103494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:52:51,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936393042] [2024-11-27 19:52:51,326 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:52:51,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:52:51,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:52:51,329 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:52:51,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f847f320-2f6e-4835-945d-3b939bec5fe7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process