./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_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/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_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1848e360a16ec6531e7d7aea690ab68ac7295c6b0bdec191a41fa9ee0518b66d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:52:23,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:52:23,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 10:52:23,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:52:23,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:52:23,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:52:23,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:52:23,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:52:23,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:52:23,173 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:52:23,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:52:23,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:52:23,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:52:23,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:52:23,174 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:52:23,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:52:23,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:52:23,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:52:23,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:52:23,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:52:23,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:52:23,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:52:23,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:52:23,175 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:52:23,175 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:52:23,175 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:52:23,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:52:23,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:52:23,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:52:23,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:52:23,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:52:23,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:52:23,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:52:23,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:52:23,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:52:23,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:52:23,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:52:23,176 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:52:23,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:52:23,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:52:23,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:52:23,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:52:23,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:52:23,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:52:23,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:52:23,177 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_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1848e360a16ec6531e7d7aea690ab68ac7295c6b0bdec191a41fa9ee0518b66d [2024-12-02 10:52:23,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:52:23,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:52:23,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:52:23,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:52:23,422 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:52:23,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2024-12-02 10:52:26,056 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/data/e32611f3c/783cf20b868d4e6face0aedce6519a6f/FLAG9ffb4deab [2024-12-02 10:52:26,487 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:52:26,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2024-12-02 10:52:26,512 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/data/e32611f3c/783cf20b868d4e6face0aedce6519a6f/FLAG9ffb4deab [2024-12-02 10:52:26,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/data/e32611f3c/783cf20b868d4e6face0aedce6519a6f [2024-12-02 10:52:26,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:52:26,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:52:26,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:52:26,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:52:26,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:52:26,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:52:26" (1/1) ... [2024-12-02 10:52:26,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c579e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:26, skipping insertion in model container [2024-12-02 10:52:26,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:52:26" (1/1) ... [2024-12-02 10:52:26,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:52:27,413 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_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/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] [2024-12-02 10:52:27,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:52:27,970 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:52:28,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6556] [2024-12-02 10:52:28,117 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] [2024-12-02 10:52:28,117 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] [2024-12-02 10:52:28,119 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] [2024-12-02 10:52:28,119 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] [2024-12-02 10:52:28,126 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_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/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] [2024-12-02 10:52:28,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:52:28,332 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:52:28,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28 WrapperNode [2024-12-02 10:52:28,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:52:28,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:52:28,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:52:28,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:52:28,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:28,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:28,487 INFO L138 Inliner]: procedures = 201, calls = 1580, calls flagged for inlining = 91, calls inlined = 86, statements flattened = 2809 [2024-12-02 10:52:28,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:52:28,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:52:28,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:52:28,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:52:28,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:28,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:28,516 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:29,055 INFO L175 MemorySlicer]: Split 663 memory accesses to 17 slices as follows [2, 4, 5, 8, 8, 5, 8, 1, 3, 2, 8, 44, 1, 110, 1, 451, 2]. 68 percent of accesses are in the largest equivalence class. The 129 initializations are split as follows [2, 0, 0, 0, 8, 0, 0, 0, 0, 0, 8, 0, 1, 110, 0, 0, 0]. The 315 writes are split as follows [0, 2, 0, 1, 0, 0, 2, 0, 2, 0, 0, 44, 0, 0, 0, 263, 1]. [2024-12-02 10:52:29,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:29,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:29,131 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:29,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:29,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:29,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:29,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:29,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:52:29,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:52:29,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:52:29,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:52:29,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (1/1) ... [2024-12-02 10:52:29,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:52:29,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:52:29,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:52:29,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-02 10:52:29,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-02 10:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2024-12-02 10:52:29,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2024-12-02 10:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_12 [2024-12-02 10:52:29,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_12 [2024-12-02 10:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 10:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 10:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 10:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 10:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 10:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 10:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 10:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 10:52:29,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2024-12-02 10:52:29,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2024-12-02 10:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-12-02 10:52:29,278 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-12-02 10:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-12-02 10:52:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-12-02 10:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2024-12-02 10:52:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2024-12-02 10:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 10:52:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 10:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2024-12-02 10:52:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2024-12-02 10:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-12-02 10:52:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-12-02 10:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-12-02 10:52:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-12-02 10:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2024-12-02 10:52:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2024-12-02 10:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 10:52:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 10:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 10:52:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 10:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 10:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 10:52:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 10:52:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 10:52:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 10:52:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:52:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2024-12-02 10:52:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-12-02 10:52:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 10:52:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2024-12-02 10:52:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-12-02 10:52:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 10:52:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 10:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 10:52:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2024-12-02 10:52:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 10:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2024-12-02 10:52:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 10:52:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 10:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-12-02 10:52:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-12-02 10:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-12-02 10:52:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-12-02 10:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2024-12-02 10:52:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2024-12-02 10:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 10:52:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 10:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 10:52:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 10:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-02 10:52:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-02 10:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2024-12-02 10:52:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2024-12-02 10:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-12-02 10:52:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-12-02 10:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2024-12-02 10:52:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2024-12-02 10:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-12-02 10:52:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-12-02 10:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-12-02 10:52:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-12-02 10:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2024-12-02 10:52:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2024-12-02 10:52:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 10:52:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 10:52:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 10:52:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 10:52:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 10:52:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2024-12-02 10:52:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2024-12-02 10:52:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-12-02 10:52:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2024-12-02 10:52:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2024-12-02 10:52:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-12-02 10:52:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 10:52:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 10:52:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 10:52:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 10:52:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 10:52:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 10:52:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 10:52:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 10:52:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 10:52:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 10:52:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 10:52:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 10:52:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-12-02 10:52:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-12-02 10:52:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 10:52:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-12-02 10:52:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2024-12-02 10:52:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2024-12-02 10:52:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2024-12-02 10:52:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2024-12-02 10:52:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 10:52:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2024-12-02 10:52:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2024-12-02 10:52:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2024-12-02 10:52:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 10:52:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:52:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:52:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:52:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2024-12-02 10:52:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2024-12-02 10:52:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 10:52:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2024-12-02 10:52:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2024-12-02 10:52:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-12-02 10:52:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 10:52:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 10:52:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 10:52:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 10:52:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 10:52:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 10:52:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 10:52:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 10:52:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:52:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:52:29,964 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:52:29,966 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:52:30,592 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 10:52:35,239 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-12-02 10:52:43,374 INFO L? ?]: Removed 1693 outVars from TransFormulas that were not future-live. [2024-12-02 10:52:43,374 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:52:43,403 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:52:43,404 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 10:52:43,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:52:43 BoogieIcfgContainer [2024-12-02 10:52:43,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:52:43,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:52:43,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:52:43,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:52:43,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:52:26" (1/3) ... [2024-12-02 10:52:43,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118af4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:52:43, skipping insertion in model container [2024-12-02 10:52:43,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:28" (2/3) ... [2024-12-02 10:52:43,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118af4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:52:43, skipping insertion in model container [2024-12-02 10:52:43,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:52:43" (3/3) ... [2024-12-02 10:52:43,412 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 [2024-12-02 10:52:43,426 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:52:43,429 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. [2024-12-02 10:52:43,503 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:52:43,514 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;@3ef35559, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:52:43,514 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:52:43,521 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) [2024-12-02 10:52:43,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-02 10:52:43,530 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:43,531 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] [2024-12-02 10:52:43,532 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:43,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:43,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1198589818, now seen corresponding path program 1 times [2024-12-02 10:52:43,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:43,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018058472] [2024-12-02 10:52:43,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:43,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 10:52:45,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:45,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018058472] [2024-12-02 10:52:45,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018058472] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:45,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:45,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:45,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107455837] [2024-12-02 10:52:45,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:45,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:45,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:45,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:45,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:45,608 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) [2024-12-02 10:52:49,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:49,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:49,961 INFO L93 Difference]: Finished difference Result 3709 states and 5332 transitions. [2024-12-02 10:52:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:49,964 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 [2024-12-02 10:52:49,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:49,993 INFO L225 Difference]: With dead ends: 3709 [2024-12-02 10:52:49,993 INFO L226 Difference]: Without dead ends: 2436 [2024-12-02 10:52:50,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:50,009 INFO L435 NwaCegarLoop]: 1753 mSDtfsCounter, 1685 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 3477 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:50,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1685 Valid, 3477 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 10:52:50,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2024-12-02 10:52:50,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 2436. [2024-12-02 10:52:50,191 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) [2024-12-02 10:52:50,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 3390 transitions. [2024-12-02 10:52:50,220 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 3390 transitions. Word has length 52 [2024-12-02 10:52:50,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:50,221 INFO L471 AbstractCegarLoop]: Abstraction has 2436 states and 3390 transitions. [2024-12-02 10:52:50,221 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) [2024-12-02 10:52:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3390 transitions. [2024-12-02 10:52:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-02 10:52:50,224 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:50,224 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] [2024-12-02 10:52:50,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:52:50,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:50,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:50,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1590820973, now seen corresponding path program 1 times [2024-12-02 10:52:50,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:50,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997965554] [2024-12-02 10:52:50,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 10:52:51,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:51,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997965554] [2024-12-02 10:52:51,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997965554] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:51,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:51,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:51,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578624518] [2024-12-02 10:52:51,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:51,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:51,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:51,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:51,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:51,813 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) [2024-12-02 10:52:51,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:51,974 INFO L93 Difference]: Finished difference Result 2462 states and 3422 transitions. [2024-12-02 10:52:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:51,975 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 [2024-12-02 10:52:51,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:51,992 INFO L225 Difference]: With dead ends: 2462 [2024-12-02 10:52:51,993 INFO L226 Difference]: Without dead ends: 2449 [2024-12-02 10:52:51,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:51,995 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 [2024-12-02 10:52:51,995 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] [2024-12-02 10:52:51,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2449 states. [2024-12-02 10:52:52,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2449 to 2436. [2024-12-02 10:52:52,111 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) [2024-12-02 10:52:52,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 3389 transitions. [2024-12-02 10:52:52,132 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 3389 transitions. Word has length 62 [2024-12-02 10:52:52,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:52,132 INFO L471 AbstractCegarLoop]: Abstraction has 2436 states and 3389 transitions. [2024-12-02 10:52:52,132 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) [2024-12-02 10:52:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3389 transitions. [2024-12-02 10:52:52,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-02 10:52:52,134 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:52,134 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] [2024-12-02 10:52:52,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:52:52,134 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:52,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:52,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1533562671, now seen corresponding path program 1 times [2024-12-02 10:52:52,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:52,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438127219] [2024-12-02 10:52:52,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:52,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:53,991 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 10:52:53,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:53,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438127219] [2024-12-02 10:52:53,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438127219] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:53,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:53,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:53,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833591391] [2024-12-02 10:52:53,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:53,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:53,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:53,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:53,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:53,993 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) [2024-12-02 10:52:54,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:54,362 INFO L93 Difference]: Finished difference Result 7255 states and 10388 transitions. [2024-12-02 10:52:54,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:54,362 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 [2024-12-02 10:52:54,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:54,394 INFO L225 Difference]: With dead ends: 7255 [2024-12-02 10:52:54,394 INFO L226 Difference]: Without dead ends: 4845 [2024-12-02 10:52:54,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:54,409 INFO L435 NwaCegarLoop]: 2266 mSDtfsCounter, 1725 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:54,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 3981 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:52:54,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4845 states. [2024-12-02 10:52:54,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4845 to 4835. [2024-12-02 10:52:54,567 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) [2024-12-02 10:52:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4835 states to 4835 states and 6871 transitions. [2024-12-02 10:52:54,589 INFO L78 Accepts]: Start accepts. Automaton has 4835 states and 6871 transitions. Word has length 62 [2024-12-02 10:52:54,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:54,589 INFO L471 AbstractCegarLoop]: Abstraction has 4835 states and 6871 transitions. [2024-12-02 10:52:54,589 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) [2024-12-02 10:52:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 4835 states and 6871 transitions. [2024-12-02 10:52:54,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 10:52:54,591 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:54,591 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] [2024-12-02 10:52:54,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:52:54,591 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:54,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:54,592 INFO L85 PathProgramCache]: Analyzing trace with hash -296358015, now seen corresponding path program 1 times [2024-12-02 10:52:54,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:54,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957349983] [2024-12-02 10:52:54,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:54,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:55,880 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 10:52:55,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:55,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957349983] [2024-12-02 10:52:55,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957349983] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:55,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:55,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:55,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557353935] [2024-12-02 10:52:55,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:55,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:55,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:55,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:55,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:55,881 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) [2024-12-02 10:52:56,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:56,052 INFO L93 Difference]: Finished difference Result 4837 states and 6872 transitions. [2024-12-02 10:52:56,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:56,053 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 [2024-12-02 10:52:56,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:56,083 INFO L225 Difference]: With dead ends: 4837 [2024-12-02 10:52:56,083 INFO L226 Difference]: Without dead ends: 4834 [2024-12-02 10:52:56,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:56,088 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 [2024-12-02 10:52:56,088 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] [2024-12-02 10:52:56,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4834 states. [2024-12-02 10:52:56,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4834 to 4834. [2024-12-02 10:52:56,368 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) [2024-12-02 10:52:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4834 states to 4834 states and 6869 transitions. [2024-12-02 10:52:56,402 INFO L78 Accepts]: Start accepts. Automaton has 4834 states and 6869 transitions. Word has length 63 [2024-12-02 10:52:56,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:56,402 INFO L471 AbstractCegarLoop]: Abstraction has 4834 states and 6869 transitions. [2024-12-02 10:52:56,402 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) [2024-12-02 10:52:56,402 INFO L276 IsEmpty]: Start isEmpty. Operand 4834 states and 6869 transitions. [2024-12-02 10:52:56,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-02 10:52:56,403 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:56,404 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] [2024-12-02 10:52:56,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:52:56,404 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:56,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:56,404 INFO L85 PathProgramCache]: Analyzing trace with hash -597714476, now seen corresponding path program 1 times [2024-12-02 10:52:56,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:56,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090479682] [2024-12-02 10:52:56,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:56,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 10:52:57,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:57,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090479682] [2024-12-02 10:52:57,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090479682] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:57,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:57,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:57,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117164550] [2024-12-02 10:52:57,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:57,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:57,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:57,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:57,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:57,892 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) [2024-12-02 10:52:58,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:58,114 INFO L93 Difference]: Finished difference Result 4836 states and 6870 transitions. [2024-12-02 10:52:58,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:58,115 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 [2024-12-02 10:52:58,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:58,146 INFO L225 Difference]: With dead ends: 4836 [2024-12-02 10:52:58,146 INFO L226 Difference]: Without dead ends: 4833 [2024-12-02 10:52:58,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:58,151 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 [2024-12-02 10:52:58,151 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] [2024-12-02 10:52:58,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4833 states. [2024-12-02 10:52:58,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4833 to 4833. [2024-12-02 10:52:58,443 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) [2024-12-02 10:52:58,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4833 states to 4833 states and 6867 transitions. [2024-12-02 10:52:58,472 INFO L78 Accepts]: Start accepts. Automaton has 4833 states and 6867 transitions. Word has length 64 [2024-12-02 10:52:58,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:58,472 INFO L471 AbstractCegarLoop]: Abstraction has 4833 states and 6867 transitions. [2024-12-02 10:52:58,472 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) [2024-12-02 10:52:58,472 INFO L276 IsEmpty]: Start isEmpty. Operand 4833 states and 6867 transitions. [2024-12-02 10:52:58,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-02 10:52:58,473 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:58,473 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] [2024-12-02 10:52:58,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:52:58,474 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:58,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:58,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1349825308, now seen corresponding path program 1 times [2024-12-02 10:52:58,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:58,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957462445] [2024-12-02 10:52:58,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:58,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:59,586 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 10:52:59,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:59,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957462445] [2024-12-02 10:52:59,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957462445] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:59,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:59,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:59,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584435243] [2024-12-02 10:52:59,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:59,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:59,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:59,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:59,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:59,587 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) [2024-12-02 10:52:59,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:59,836 INFO L93 Difference]: Finished difference Result 4835 states and 6868 transitions. [2024-12-02 10:52:59,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:59,836 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 [2024-12-02 10:52:59,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:59,863 INFO L225 Difference]: With dead ends: 4835 [2024-12-02 10:52:59,864 INFO L226 Difference]: Without dead ends: 4832 [2024-12-02 10:52:59,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:59,868 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 [2024-12-02 10:52:59,868 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] [2024-12-02 10:52:59,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4832 states. [2024-12-02 10:53:00,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4832 to 4832. [2024-12-02 10:53:00,309 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) [2024-12-02 10:53:00,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4832 states to 4832 states and 6865 transitions. [2024-12-02 10:53:00,342 INFO L78 Accepts]: Start accepts. Automaton has 4832 states and 6865 transitions. Word has length 65 [2024-12-02 10:53:00,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:00,343 INFO L471 AbstractCegarLoop]: Abstraction has 4832 states and 6865 transitions. [2024-12-02 10:53:00,343 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) [2024-12-02 10:53:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 4832 states and 6865 transitions. [2024-12-02 10:53:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-02 10:53:00,344 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:00,345 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] [2024-12-02 10:53:00,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:53:00,345 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:00,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:00,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1104547543, now seen corresponding path program 1 times [2024-12-02 10:53:00,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:00,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172579575] [2024-12-02 10:53:00,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:00,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:01,615 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 10:53:01,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:01,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172579575] [2024-12-02 10:53:01,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172579575] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:01,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:01,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:01,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051967418] [2024-12-02 10:53:01,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:01,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:01,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:01,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:01,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:01,617 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) [2024-12-02 10:53:01,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:01,748 INFO L93 Difference]: Finished difference Result 4834 states and 6866 transitions. [2024-12-02 10:53:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:01,748 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 [2024-12-02 10:53:01,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:01,772 INFO L225 Difference]: With dead ends: 4834 [2024-12-02 10:53:01,772 INFO L226 Difference]: Without dead ends: 4822 [2024-12-02 10:53:01,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:01,776 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 [2024-12-02 10:53:01,776 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] [2024-12-02 10:53:01,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4822 states. [2024-12-02 10:53:01,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4822 to 4822. [2024-12-02 10:53:01,988 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) [2024-12-02 10:53:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4822 states to 4822 states and 6852 transitions. [2024-12-02 10:53:02,021 INFO L78 Accepts]: Start accepts. Automaton has 4822 states and 6852 transitions. Word has length 66 [2024-12-02 10:53:02,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:02,022 INFO L471 AbstractCegarLoop]: Abstraction has 4822 states and 6852 transitions. [2024-12-02 10:53:02,022 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) [2024-12-02 10:53:02,022 INFO L276 IsEmpty]: Start isEmpty. Operand 4822 states and 6852 transitions. [2024-12-02 10:53:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 10:53:02,034 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:02,034 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] [2024-12-02 10:53:02,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 10:53:02,035 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:02,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:02,035 INFO L85 PathProgramCache]: Analyzing trace with hash -507387917, now seen corresponding path program 1 times [2024-12-02 10:53:02,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:02,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716965047] [2024-12-02 10:53:02,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:02,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-12-02 10:53:03,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:03,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716965047] [2024-12-02 10:53:03,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716965047] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:03,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:03,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:03,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764717072] [2024-12-02 10:53:03,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:03,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:03,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:03,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:03,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:03,291 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) [2024-12-02 10:53:03,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:03,556 INFO L93 Difference]: Finished difference Result 10110 states and 14331 transitions. [2024-12-02 10:53:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:03,556 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 [2024-12-02 10:53:03,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:03,581 INFO L225 Difference]: With dead ends: 10110 [2024-12-02 10:53:03,581 INFO L226 Difference]: Without dead ends: 5314 [2024-12-02 10:53:03,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:03,598 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 [2024-12-02 10:53:03,598 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] [2024-12-02 10:53:03,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5314 states. [2024-12-02 10:53:03,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5314 to 5304. [2024-12-02 10:53:03,879 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) [2024-12-02 10:53:03,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5304 states to 5304 states and 7499 transitions. [2024-12-02 10:53:03,908 INFO L78 Accepts]: Start accepts. Automaton has 5304 states and 7499 transitions. Word has length 190 [2024-12-02 10:53:03,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:03,908 INFO L471 AbstractCegarLoop]: Abstraction has 5304 states and 7499 transitions. [2024-12-02 10:53:03,908 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) [2024-12-02 10:53:03,908 INFO L276 IsEmpty]: Start isEmpty. Operand 5304 states and 7499 transitions. [2024-12-02 10:53:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-12-02 10:53:03,917 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:03,918 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] [2024-12-02 10:53:03,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:53:03,918 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:03,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:03,918 INFO L85 PathProgramCache]: Analyzing trace with hash 499961761, now seen corresponding path program 1 times [2024-12-02 10:53:03,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:03,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995686282] [2024-12-02 10:53:03,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:03,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:05,337 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-12-02 10:53:05,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:05,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995686282] [2024-12-02 10:53:05,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995686282] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:05,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:05,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:53:05,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490398188] [2024-12-02 10:53:05,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:05,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:53:05,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:05,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:53:05,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:53:05,339 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) [2024-12-02 10:53:09,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:53:13,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:13,089 INFO L93 Difference]: Finished difference Result 10338 states and 14839 transitions. [2024-12-02 10:53:13,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:13,090 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 [2024-12-02 10:53:13,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:13,111 INFO L225 Difference]: With dead ends: 10338 [2024-12-02 10:53:13,111 INFO L226 Difference]: Without dead ends: 5060 [2024-12-02 10:53:13,129 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 [2024-12-02 10:53:13,130 INFO L435 NwaCegarLoop]: 1622 mSDtfsCounter, 1591 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s 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, 7.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:13,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 2692 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 557 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2024-12-02 10:53:13,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5060 states. [2024-12-02 10:53:13,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5060 to 5060. [2024-12-02 10:53:13,319 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) [2024-12-02 10:53:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 7137 transitions. [2024-12-02 10:53:13,338 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 7137 transitions. Word has length 199 [2024-12-02 10:53:13,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:13,338 INFO L471 AbstractCegarLoop]: Abstraction has 5060 states and 7137 transitions. [2024-12-02 10:53:13,338 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) [2024-12-02 10:53:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 7137 transitions. [2024-12-02 10:53:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-12-02 10:53:13,347 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:13,347 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] [2024-12-02 10:53:13,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 10:53:13,348 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:13,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:13,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1455726156, now seen corresponding path program 1 times [2024-12-02 10:53:13,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:13,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346968793] [2024-12-02 10:53:13,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:13,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-12-02 10:53:14,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:14,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346968793] [2024-12-02 10:53:14,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346968793] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:53:14,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025170121] [2024-12-02 10:53:14,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:14,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:14,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:14,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:53:14,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:53:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:16,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 3338 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:53:16,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 10:53:16,787 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:53:16,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025170121] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:16,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:53:16,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 10:53:16,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718500144] [2024-12-02 10:53:16,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:16,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:16,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:16,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:16,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:16,789 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) [2024-12-02 10:53:17,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:17,468 INFO L93 Difference]: Finished difference Result 10110 states and 14497 transitions. [2024-12-02 10:53:17,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:17,471 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 [2024-12-02 10:53:17,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:17,495 INFO L225 Difference]: With dead ends: 10110 [2024-12-02 10:53:17,495 INFO L226 Difference]: Without dead ends: 5076 [2024-12-02 10:53:17,514 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 [2024-12-02 10:53:17,514 INFO L435 NwaCegarLoop]: 1622 mSDtfsCounter, 4 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:17,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3241 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:53:17,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2024-12-02 10:53:17,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 5064. [2024-12-02 10:53:17,748 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) [2024-12-02 10:53:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 7141 transitions. [2024-12-02 10:53:17,767 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 7141 transitions. Word has length 241 [2024-12-02 10:53:17,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:17,767 INFO L471 AbstractCegarLoop]: Abstraction has 5064 states and 7141 transitions. [2024-12-02 10:53:17,767 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) [2024-12-02 10:53:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 7141 transitions. [2024-12-02 10:53:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-12-02 10:53:17,777 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:17,777 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] [2024-12-02 10:53:17,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:53:17,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:17,977 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:17,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:17,978 INFO L85 PathProgramCache]: Analyzing trace with hash 742170351, now seen corresponding path program 1 times [2024-12-02 10:53:17,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:17,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139629119] [2024-12-02 10:53:17,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:17,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:19,482 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 10:53:19,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:19,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139629119] [2024-12-02 10:53:19,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139629119] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:53:19,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984130486] [2024-12-02 10:53:19,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:19,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:19,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:19,485 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:53:19,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:53:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:21,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 3438 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:53:21,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 10:53:21,654 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:53:21,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984130486] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:21,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:53:21,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 10:53:21,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754275530] [2024-12-02 10:53:21,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:21,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:21,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:21,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:21,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:21,655 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) [2024-12-02 10:53:21,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:21,862 INFO L93 Difference]: Finished difference Result 10110 states and 14493 transitions. [2024-12-02 10:53:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:21,863 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 [2024-12-02 10:53:21,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:21,883 INFO L225 Difference]: With dead ends: 10110 [2024-12-02 10:53:21,883 INFO L226 Difference]: Without dead ends: 5072 [2024-12-02 10:53:21,899 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 [2024-12-02 10:53:21,899 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 [2024-12-02 10:53:21,899 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] [2024-12-02 10:53:21,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5072 states. [2024-12-02 10:53:22,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5072 to 5068. [2024-12-02 10:53:22,091 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) [2024-12-02 10:53:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5068 states to 5068 states and 7145 transitions. [2024-12-02 10:53:22,110 INFO L78 Accepts]: Start accepts. Automaton has 5068 states and 7145 transitions. Word has length 244 [2024-12-02 10:53:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:22,111 INFO L471 AbstractCegarLoop]: Abstraction has 5068 states and 7145 transitions. [2024-12-02 10:53:22,111 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) [2024-12-02 10:53:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5068 states and 7145 transitions. [2024-12-02 10:53:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-12-02 10:53:22,119 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:22,120 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] [2024-12-02 10:53:22,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 10:53:22,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:22,320 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:22,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:22,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1916411091, now seen corresponding path program 1 times [2024-12-02 10:53:22,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:22,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359153209] [2024-12-02 10:53:22,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:22,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:23,536 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-12-02 10:53:23,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:23,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359153209] [2024-12-02 10:53:23,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359153209] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:53:23,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297922924] [2024-12-02 10:53:23,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:23,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:23,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:23,539 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:53:23,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 10:53:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:25,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 3465 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:53:25,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-12-02 10:53:25,861 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:53:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-12-02 10:53:27,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297922924] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:53:27,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:53:27,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 10:53:27,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041475736] [2024-12-02 10:53:27,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:53:27,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:53:27,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:27,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:53:27,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:53:27,062 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) [2024-12-02 10:53:27,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:27,581 INFO L93 Difference]: Finished difference Result 10226 states and 14661 transitions. [2024-12-02 10:53:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:53:27,582 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 [2024-12-02 10:53:27,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:27,615 INFO L225 Difference]: With dead ends: 10226 [2024-12-02 10:53:27,615 INFO L226 Difference]: Without dead ends: 5184 [2024-12-02 10:53:27,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:53:27,637 INFO L435 NwaCegarLoop]: 1624 mSDtfsCounter, 20 mSDsluCounter, 4856 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:27,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 6480 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:53:27,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2024-12-02 10:53:27,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 5144. [2024-12-02 10:53:27,978 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) [2024-12-02 10:53:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 7251 transitions. [2024-12-02 10:53:28,006 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 7251 transitions. Word has length 246 [2024-12-02 10:53:28,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:28,007 INFO L471 AbstractCegarLoop]: Abstraction has 5144 states and 7251 transitions. [2024-12-02 10:53:28,007 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) [2024-12-02 10:53:28,007 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 7251 transitions. [2024-12-02 10:53:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-12-02 10:53:28,021 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:28,021 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] [2024-12-02 10:53:28,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 10:53:28,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:28,221 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:28,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:28,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1334991096, now seen corresponding path program 1 times [2024-12-02 10:53:28,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:28,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954089140] [2024-12-02 10:53:28,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:28,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-12-02 10:53:29,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:29,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954089140] [2024-12-02 10:53:29,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954089140] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:29,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:29,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:29,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331175969] [2024-12-02 10:53:29,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:29,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:29,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:29,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:29,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:29,386 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) [2024-12-02 10:53:29,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:29,600 INFO L93 Difference]: Finished difference Result 10278 states and 14735 transitions. [2024-12-02 10:53:29,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:29,601 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 [2024-12-02 10:53:29,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:29,625 INFO L225 Difference]: With dead ends: 10278 [2024-12-02 10:53:29,625 INFO L226 Difference]: Without dead ends: 5160 [2024-12-02 10:53:29,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:29,645 INFO L435 NwaCegarLoop]: 1622 mSDtfsCounter, 2 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:29,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3241 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:29,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5160 states. [2024-12-02 10:53:29,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5160 to 5148. [2024-12-02 10:53:29,875 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) [2024-12-02 10:53:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 7255 transitions. [2024-12-02 10:53:29,893 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 7255 transitions. Word has length 277 [2024-12-02 10:53:29,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:29,894 INFO L471 AbstractCegarLoop]: Abstraction has 5148 states and 7255 transitions. [2024-12-02 10:53:29,894 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) [2024-12-02 10:53:29,894 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 7255 transitions. [2024-12-02 10:53:29,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 10:53:29,903 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:29,903 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] [2024-12-02 10:53:29,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 10:53:29,904 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:29,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:29,904 INFO L85 PathProgramCache]: Analyzing trace with hash -416695450, now seen corresponding path program 1 times [2024-12-02 10:53:29,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:29,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586636577] [2024-12-02 10:53:29,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:29,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:31,166 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-12-02 10:53:31,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:31,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586636577] [2024-12-02 10:53:31,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586636577] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:53:31,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887472763] [2024-12-02 10:53:31,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:31,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:31,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:31,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:53:31,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 10:53:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:33,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 3586 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:53:33,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:33,472 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-02 10:53:33,472 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:53:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-12-02 10:53:34,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887472763] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:53:34,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:53:34,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 10:53:34,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463108188] [2024-12-02 10:53:34,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:53:34,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:53:34,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:34,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:53:34,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:53:34,967 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) [2024-12-02 10:53:35,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:35,346 INFO L93 Difference]: Finished difference Result 10318 states and 14803 transitions. [2024-12-02 10:53:35,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:53:35,347 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 [2024-12-02 10:53:35,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:35,367 INFO L225 Difference]: With dead ends: 10318 [2024-12-02 10:53:35,367 INFO L226 Difference]: Without dead ends: 5196 [2024-12-02 10:53:35,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:53:35,383 INFO L435 NwaCegarLoop]: 1622 mSDtfsCounter, 4 mSDsluCounter, 8090 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:35,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 9712 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:53:35,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2024-12-02 10:53:35,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 5196. [2024-12-02 10:53:35,579 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) [2024-12-02 10:53:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 5196 states and 7321 transitions. [2024-12-02 10:53:35,598 INFO L78 Accepts]: Start accepts. Automaton has 5196 states and 7321 transitions. Word has length 285 [2024-12-02 10:53:35,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:35,598 INFO L471 AbstractCegarLoop]: Abstraction has 5196 states and 7321 transitions. [2024-12-02 10:53:35,598 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) [2024-12-02 10:53:35,599 INFO L276 IsEmpty]: Start isEmpty. Operand 5196 states and 7321 transitions. [2024-12-02 10:53:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 10:53:35,606 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:35,606 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] [2024-12-02 10:53:35,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 10:53:35,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 10:53:35,806 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:35,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:35,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1697294828, now seen corresponding path program 1 times [2024-12-02 10:53:35,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:35,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499492416] [2024-12-02 10:53:35,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:35,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:37,131 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-12-02 10:53:37,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:37,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499492416] [2024-12-02 10:53:37,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499492416] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:53:37,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872420603] [2024-12-02 10:53:37,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:37,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:37,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:37,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:53:37,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 10:53:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:39,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 3786 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:53:39,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-12-02 10:53:39,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:53:41,157 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-12-02 10:53:41,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872420603] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:53:41,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:53:41,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 10:53:41,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031114161] [2024-12-02 10:53:41,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:53:41,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:53:41,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:41,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:53:41,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:53:41,159 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) [2024-12-02 10:53:41,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:41,582 INFO L93 Difference]: Finished difference Result 10390 states and 14877 transitions. [2024-12-02 10:53:41,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:53:41,582 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 [2024-12-02 10:53:41,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:41,608 INFO L225 Difference]: With dead ends: 10390 [2024-12-02 10:53:41,608 INFO L226 Difference]: Without dead ends: 5220 [2024-12-02 10:53:41,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:53:41,627 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 [2024-12-02 10:53:41,627 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] [2024-12-02 10:53:41,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5220 states. [2024-12-02 10:53:41,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5220 to 5220. [2024-12-02 10:53:41,882 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) [2024-12-02 10:53:41,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 7345 transitions. [2024-12-02 10:53:41,902 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 7345 transitions. Word has length 312 [2024-12-02 10:53:41,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:41,902 INFO L471 AbstractCegarLoop]: Abstraction has 5220 states and 7345 transitions. [2024-12-02 10:53:41,902 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) [2024-12-02 10:53:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 7345 transitions. [2024-12-02 10:53:41,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-12-02 10:53:41,909 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:41,909 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] [2024-12-02 10:53:41,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 10:53:42,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:42,110 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:42,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:42,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1921885440, now seen corresponding path program 2 times [2024-12-02 10:53:42,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:42,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311677794] [2024-12-02 10:53:42,111 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:53:42,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:43,098 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 10:53:43,098 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:53:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-12-02 10:53:43,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:43,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311677794] [2024-12-02 10:53:43,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311677794] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:53:43,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844555019] [2024-12-02 10:53:43,421 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:53:43,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:43,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:43,423 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:53:43,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe8a4d-1c6c-45b2-aa7d-9633510ce9f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process