./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/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_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-23 23:16:49,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:16:49,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:16:49,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:16:49,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:16:49,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:16:49,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:16:49,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:16:49,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:16:49,788 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:16:49,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:16:49,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:16:49,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:16:49,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:16:49,789 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:16:49,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:16:49,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:16:49,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:16:49,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:16:49,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:16:49,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:16:49,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:16:49,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:16:49,790 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:16:49,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:16:49,790 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:16:49,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:16:49,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:16:49,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:16:49,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:16:49,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:16:49,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:16:49,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:16:49,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:16:49,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:16:49,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:16:49,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:16:49,792 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:16:49,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:16:49,792 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:16:49,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:16:49,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:16:49,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:16:49,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:16:49,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:16:49,793 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_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1848e360a16ec6531e7d7aea690ab68ac7295c6b0bdec191a41fa9ee0518b66d [2024-11-23 23:16:50,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:16:50,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:16:50,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:16:50,159 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:16:50,159 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:16:50,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2024-11-23 23:16:53,170 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/data/c95a80a19/b2e31b13c4a84c71a2d73968b5107268/FLAG201d3290d [2024-11-23 23:16:53,986 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:16:53,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2024-11-23 23:16:54,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/data/c95a80a19/b2e31b13c4a84c71a2d73968b5107268/FLAG201d3290d [2024-11-23 23:16:54,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/data/c95a80a19/b2e31b13c4a84c71a2d73968b5107268 [2024-11-23 23:16:54,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:16:54,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:16:54,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:16:54,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:16:54,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:16:54,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:16:54" (1/1) ... [2024-11-23 23:16:54,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa46bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:54, skipping insertion in model container [2024-11-23 23:16:54,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:16:54" (1/1) ... [2024-11-23 23:16:54,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:16:55,364 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_c0285ce3-590c-4149-9215-f3c10973a767/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i[196736,196749] [2024-11-23 23:16:56,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:16:56,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:16:56,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6556] [2024-11-23 23:16:56,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6579] [2024-11-23 23:16:56,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6587-6588] [2024-11-23 23:16:56,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/inst/current/envs/linux-3.12-rc1.tar.xz/linux-3.12-rc1/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6613-6614] [2024-11-23 23:16:56,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6619-6621] [2024-11-23 23:16:56,330 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_c0285ce3-590c-4149-9215-f3c10973a767/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i[196736,196749] [2024-11-23 23:16:56,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:16:56,670 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:16:56,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56 WrapperNode [2024-11-23 23:16:56,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:16:56,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:16:56,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:16:56,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:16:56,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:56,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:56,914 INFO L138 Inliner]: procedures = 201, calls = 1580, calls flagged for inlining = 91, calls inlined = 86, statements flattened = 2809 [2024-11-23 23:16:56,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:16:56,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:16:56,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:16:56,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:16:57,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:57,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:57,041 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:57,615 INFO L175 MemorySlicer]: Split 663 memory accesses to 17 slices as follows [451, 2, 1, 3, 1, 1, 2, 2, 5, 8, 44, 8, 5, 110, 8, 4, 8]. 68 percent of accesses are in the largest equivalence class. The 129 initializations are split as follows [0, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 110, 0, 0, 8]. The 315 writes are split as follows [263, 0, 0, 2, 0, 0, 1, 0, 0, 1, 44, 0, 0, 0, 2, 2, 0]. [2024-11-23 23:16:57,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:57,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:57,741 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:57,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:57,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:57,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:57,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:57,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:16:57,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:16:57,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:16:57,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:16:57,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (1/1) ... [2024-11-23 23:16:57,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:16:57,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:16:57,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:16:57,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:16:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-23 23:16:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-23 23:16:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2024-11-23 23:16:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2024-11-23 23:16:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_12 [2024-11-23 23:16:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_12 [2024-11-23 23:16:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 23:16:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 23:16:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 23:16:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 23:16:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 23:16:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 23:16:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 23:16:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 23:16:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 23:16:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 23:16:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 23:16:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 23:16:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 23:16:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 23:16:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 23:16:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 23:16:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 23:16:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 23:16:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 23:16:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 23:16:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 23:16:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 23:16:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 23:16:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2024-11-23 23:16:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2024-11-23 23:16:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-11-23 23:16:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-11-23 23:16:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-23 23:16:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-23 23:16:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2024-11-23 23:16:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2024-11-23 23:16:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:16:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:16:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2024-11-23 23:16:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2024-11-23 23:16:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-23 23:16:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-23 23:16:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-11-23 23:16:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-11-23 23:16:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2024-11-23 23:16:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2024-11-23 23:16:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 23:16:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 23:16:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 23:16:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 23:16:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 23:16:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-23 23:16:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-23 23:16:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 23:16:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 23:16:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 23:16:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-23 23:16:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-23 23:16:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-23 23:16:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-23 23:16:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-23 23:16:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-23 23:16:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-23 23:16:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-23 23:16:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-23 23:16:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-23 23:16:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-23 23:16:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-23 23:16:57,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-23 23:16:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-23 23:16:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:16:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:16:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2024-11-23 23:16:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2024-11-23 23:16:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-23 23:16:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-23 23:16:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-23 23:16:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-23 23:16:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2024-11-23 23:16:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2024-11-23 23:16:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:16:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-11-23 23:16:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-11-23 23:16:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-23 23:16:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 23:16:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-23 23:16:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2024-11-23 23:16:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 23:16:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 23:16:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 23:16:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 23:16:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-23 23:16:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2024-11-23 23:16:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2024-11-23 23:16:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 23:16:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 23:16:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-23 23:16:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-23 23:16:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-23 23:16:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-23 23:16:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2024-11-23 23:16:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2024-11-23 23:16:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-23 23:16:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-23 23:16:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-23 23:16:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-23 23:16:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-23 23:16:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-23 23:16:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2024-11-23 23:16:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2024-11-23 23:16:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-23 23:16:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-23 23:16:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2024-11-23 23:16:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2024-11-23 23:16:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-11-23 23:16:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-11-23 23:16:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-11-23 23:16:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-11-23 23:16:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2024-11-23 23:16:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2024-11-23 23:16:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2024-11-23 23:16:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2024-11-23 23:16:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 23:16:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 23:16:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 23:16:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 23:16:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-23 23:16:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-23 23:16:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-23 23:16:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:16:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 23:16:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2024-11-23 23:16:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2024-11-23 23:16:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2024-11-23 23:16:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2024-11-23 23:16:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-11-23 23:16:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-11-23 23:16:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2024-11-23 23:16:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2024-11-23 23:16:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2024-11-23 23:16:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2024-11-23 23:16:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-23 23:16:58,003 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-23 23:16:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:16:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:16:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:16:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:16:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:16:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:16:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:16:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:16:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:16:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:16:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:16:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:16:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 23:16:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 23:16:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 23:16:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-23 23:16:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-23 23:16:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-23 23:16:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-23 23:16:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-23 23:16:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-23 23:16:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-23 23:16:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-23 23:16:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-23 23:16:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-23 23:16:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 23:16:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 23:16:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-23 23:16:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-23 23:16:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2024-11-23 23:16:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2024-11-23 23:16:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:16:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:16:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:16:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:16:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:16:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:16:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:16:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:16:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2024-11-23 23:16:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2024-11-23 23:16:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 23:16:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2024-11-23 23:16:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2024-11-23 23:16:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2024-11-23 23:16:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-23 23:16:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 23:16:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 23:16:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-23 23:16:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-23 23:16:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2024-11-23 23:16:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2024-11-23 23:16:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2024-11-23 23:16:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2024-11-23 23:16:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-23 23:16:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-23 23:16:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2024-11-23 23:16:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2024-11-23 23:16:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2024-11-23 23:16:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2024-11-23 23:16:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-23 23:16:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-23 23:16:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:16:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:16:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:16:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:16:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 23:16:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:16:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:16:59,126 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:16:59,129 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:17:00,090 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 23:17:04,857 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-23 23:17:15,016 INFO L? ?]: Removed 1693 outVars from TransFormulas that were not future-live. [2024-11-23 23:17:15,017 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:17:15,080 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:17:15,084 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 23:17:15,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:17:15 BoogieIcfgContainer [2024-11-23 23:17:15,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:17:15,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:17:15,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:17:15,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:17:15,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:16:54" (1/3) ... [2024-11-23 23:17:15,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454ed494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:17:15, skipping insertion in model container [2024-11-23 23:17:15,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:16:56" (2/3) ... [2024-11-23 23:17:15,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454ed494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:17:15, skipping insertion in model container [2024-11-23 23:17:15,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:17:15" (3/3) ... [2024-11-23 23:17:15,102 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2024-11-23 23:17:15,124 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:17:15,129 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i that has 102 procedures, 1396 locations, 1 initial locations, 52 loop locations, and 1 error locations. [2024-11-23 23:17:15,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:17:15,272 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;@13c8df7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:17:15,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:17:15,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 1254 states, 886 states have (on average 1.317155756207675) internal successors, (1167), 913 states have internal predecessors, (1167), 298 states have call successors, (298), 70 states have call predecessors, (298), 68 states have return successors, (292), 284 states have call predecessors, (292), 292 states have call successors, (292) [2024-11-23 23:17:15,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-23 23:17:15,302 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:15,303 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:15,303 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:15,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:15,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1272392175, now seen corresponding path program 1 times [2024-11-23 23:17:15,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:17:15,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527291383] [2024-11-23 23:17:15,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:15,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:17:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 23:17:18,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:17:18,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527291383] [2024-11-23 23:17:18,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527291383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:18,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:18,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:17:18,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535796541] [2024-11-23 23:17:18,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:18,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:17:18,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:17:18,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:17:18,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:18,504 INFO L87 Difference]: Start difference. First operand has 1254 states, 886 states have (on average 1.317155756207675) internal successors, (1167), 913 states have internal predecessors, (1167), 298 states have call successors, (298), 70 states have call predecessors, (298), 68 states have return successors, (292), 284 states have call predecessors, (292), 292 states have call successors, (292) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 23:17:22,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:17:23,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:23,082 INFO L93 Difference]: Finished difference Result 3709 states and 5332 transitions. [2024-11-23 23:17:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:17:23,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 52 [2024-11-23 23:17:23,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:23,126 INFO L225 Difference]: With dead ends: 3709 [2024-11-23 23:17:23,126 INFO L226 Difference]: Without dead ends: 2436 [2024-11-23 23:17:23,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:23,145 INFO L435 NwaCegarLoop]: 1753 mSDtfsCounter, 1685 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 3477 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:23,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1685 Valid, 3477 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-23 23:17:23,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2024-11-23 23:17:23,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 2436. [2024-11-23 23:17:23,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2436 states, 1730 states have (on average 1.301156069364162) internal successors, (2251), 1764 states have internal predecessors, (2251), 572 states have call successors, (572), 134 states have call predecessors, (572), 133 states have return successors, (567), 551 states have call predecessors, (567), 567 states have call successors, (567) [2024-11-23 23:17:23,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 3390 transitions. [2024-11-23 23:17:23,450 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 3390 transitions. Word has length 52 [2024-11-23 23:17:23,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:23,451 INFO L471 AbstractCegarLoop]: Abstraction has 2436 states and 3390 transitions. [2024-11-23 23:17:23,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 23:17:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3390 transitions. [2024-11-23 23:17:23,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-23 23:17:23,458 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:23,458 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:23,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:17:23,459 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:23,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:23,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1344160406, now seen corresponding path program 1 times [2024-11-23 23:17:23,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:17:23,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863817169] [2024-11-23 23:17:23,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:23,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:17:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 23:17:25,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:17:25,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863817169] [2024-11-23 23:17:25,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863817169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:25,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:25,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:17:25,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381545822] [2024-11-23 23:17:25,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:25,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:17:25,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:17:25,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:17:25,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:25,636 INFO L87 Difference]: Start difference. First operand 2436 states and 3390 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:17:25,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:25,897 INFO L93 Difference]: Finished difference Result 2462 states and 3422 transitions. [2024-11-23 23:17:25,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:17:25,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62 [2024-11-23 23:17:25,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:25,929 INFO L225 Difference]: With dead ends: 2462 [2024-11-23 23:17:25,929 INFO L226 Difference]: Without dead ends: 2449 [2024-11-23 23:17:25,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:25,934 INFO L435 NwaCegarLoop]: 1738 mSDtfsCounter, 1718 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:25,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 1754 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:17:25,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2449 states. [2024-11-23 23:17:26,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2449 to 2436. [2024-11-23 23:17:26,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2436 states, 1730 states have (on average 1.300578034682081) internal successors, (2250), 1764 states have internal predecessors, (2250), 572 states have call successors, (572), 134 states have call predecessors, (572), 133 states have return successors, (567), 551 states have call predecessors, (567), 567 states have call successors, (567) [2024-11-23 23:17:26,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 3389 transitions. [2024-11-23 23:17:26,192 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 3389 transitions. Word has length 62 [2024-11-23 23:17:26,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:26,193 INFO L471 AbstractCegarLoop]: Abstraction has 2436 states and 3389 transitions. [2024-11-23 23:17:26,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:17:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3389 transitions. [2024-11-23 23:17:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-23 23:17:26,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:26,198 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:26,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:17:26,200 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:26,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:26,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1286902104, now seen corresponding path program 1 times [2024-11-23 23:17:26,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:17:26,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994870520] [2024-11-23 23:17:26,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:26,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:17:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 23:17:28,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:17:28,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994870520] [2024-11-23 23:17:28,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994870520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:28,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:28,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:17:28,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675229434] [2024-11-23 23:17:28,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:28,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:17:28,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:17:28,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:17:28,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:28,562 INFO L87 Difference]: Start difference. First operand 2436 states and 3389 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:17:29,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:29,088 INFO L93 Difference]: Finished difference Result 7255 states and 10388 transitions. [2024-11-23 23:17:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:17:29,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62 [2024-11-23 23:17:29,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:29,143 INFO L225 Difference]: With dead ends: 7255 [2024-11-23 23:17:29,143 INFO L226 Difference]: Without dead ends: 4845 [2024-11-23 23:17:29,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:29,162 INFO L435 NwaCegarLoop]: 2266 mSDtfsCounter, 1725 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:29,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 3981 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:17:29,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4845 states. [2024-11-23 23:17:29,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4845 to 4835. [2024-11-23 23:17:29,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4835 states, 3438 states have (on average 1.300174520069808) internal successors, (4470), 3502 states have internal predecessors, (4470), 1132 states have call successors, (1132), 265 states have call predecessors, (1132), 264 states have return successors, (1269), 1095 states have call predecessors, (1269), 1127 states have call successors, (1269) [2024-11-23 23:17:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4835 states to 4835 states and 6871 transitions. [2024-11-23 23:17:29,511 INFO L78 Accepts]: Start accepts. Automaton has 4835 states and 6871 transitions. Word has length 62 [2024-11-23 23:17:29,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:29,512 INFO L471 AbstractCegarLoop]: Abstraction has 4835 states and 6871 transitions. [2024-11-23 23:17:29,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:17:29,512 INFO L276 IsEmpty]: Start isEmpty. Operand 4835 states and 6871 transitions. [2024-11-23 23:17:29,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-23 23:17:29,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:29,514 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:29,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:17:29,515 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:29,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:29,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1239815030, now seen corresponding path program 1 times [2024-11-23 23:17:29,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:17:29,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813004763] [2024-11-23 23:17:29,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:29,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:17:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 23:17:32,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:17:32,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813004763] [2024-11-23 23:17:32,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813004763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:32,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:32,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:17:32,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701992289] [2024-11-23 23:17:32,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:32,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:17:32,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:17:32,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:17:32,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:32,056 INFO L87 Difference]: Start difference. First operand 4835 states and 6871 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:17:32,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:32,436 INFO L93 Difference]: Finished difference Result 4837 states and 6872 transitions. [2024-11-23 23:17:32,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:17:32,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 63 [2024-11-23 23:17:32,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:32,492 INFO L225 Difference]: With dead ends: 4837 [2024-11-23 23:17:32,492 INFO L226 Difference]: Without dead ends: 4834 [2024-11-23 23:17:32,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:32,500 INFO L435 NwaCegarLoop]: 1720 mSDtfsCounter, 1689 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:32,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1689 Valid, 1720 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:17:32,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4834 states. [2024-11-23 23:17:32,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4834 to 4834. [2024-11-23 23:17:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4834 states, 3438 states have (on average 1.2998836532867946) internal successors, (4469), 3501 states have internal predecessors, (4469), 1131 states have call successors, (1131), 265 states have call predecessors, (1131), 264 states have return successors, (1269), 1095 states have call predecessors, (1269), 1127 states have call successors, (1269) [2024-11-23 23:17:32,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4834 states to 4834 states and 6869 transitions. [2024-11-23 23:17:32,901 INFO L78 Accepts]: Start accepts. Automaton has 4834 states and 6869 transitions. Word has length 63 [2024-11-23 23:17:32,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:32,903 INFO L471 AbstractCegarLoop]: Abstraction has 4834 states and 6869 transitions. [2024-11-23 23:17:32,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:17:32,903 INFO L276 IsEmpty]: Start isEmpty. Operand 4834 states and 6869 transitions. [2024-11-23 23:17:32,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 23:17:32,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:32,905 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:32,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:17:32,906 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:32,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:32,907 INFO L85 PathProgramCache]: Analyzing trace with hash 219889131, now seen corresponding path program 1 times [2024-11-23 23:17:32,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:17:32,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945959441] [2024-11-23 23:17:32,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:32,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:17:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 23:17:34,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:17:34,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945959441] [2024-11-23 23:17:34,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945959441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:34,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:34,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:17:34,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282578381] [2024-11-23 23:17:34,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:34,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:17:34,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:17:34,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:17:34,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:34,856 INFO L87 Difference]: Start difference. First operand 4834 states and 6869 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:17:35,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:35,134 INFO L93 Difference]: Finished difference Result 4836 states and 6870 transitions. [2024-11-23 23:17:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:17:35,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 64 [2024-11-23 23:17:35,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:35,186 INFO L225 Difference]: With dead ends: 4836 [2024-11-23 23:17:35,186 INFO L226 Difference]: Without dead ends: 4833 [2024-11-23 23:17:35,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:35,264 INFO L435 NwaCegarLoop]: 1718 mSDtfsCounter, 1686 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1686 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:35,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1686 Valid, 1718 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:17:35,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4833 states. [2024-11-23 23:17:35,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4833 to 4833. [2024-11-23 23:17:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4833 states, 3438 states have (on average 1.2995927865037813) internal successors, (4468), 3500 states have internal predecessors, (4468), 1130 states have call successors, (1130), 265 states have call predecessors, (1130), 264 states have return successors, (1269), 1095 states have call predecessors, (1269), 1127 states have call successors, (1269) [2024-11-23 23:17:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4833 states to 4833 states and 6867 transitions. [2024-11-23 23:17:35,654 INFO L78 Accepts]: Start accepts. Automaton has 4833 states and 6867 transitions. Word has length 64 [2024-11-23 23:17:35,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:35,654 INFO L471 AbstractCegarLoop]: Abstraction has 4833 states and 6867 transitions. [2024-11-23 23:17:35,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:17:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 4833 states and 6867 transitions. [2024-11-23 23:17:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-23 23:17:35,656 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:35,656 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:35,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:17:35,657 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:35,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:35,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1773917267, now seen corresponding path program 1 times [2024-11-23 23:17:35,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:17:35,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673800218] [2024-11-23 23:17:35,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:35,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:17:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:37,038 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 23:17:37,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:17:37,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673800218] [2024-11-23 23:17:37,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673800218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:37,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:37,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:17:37,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247084113] [2024-11-23 23:17:37,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:37,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:17:37,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:17:37,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:17:37,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:37,040 INFO L87 Difference]: Start difference. First operand 4833 states and 6867 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:17:37,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:37,301 INFO L93 Difference]: Finished difference Result 4835 states and 6868 transitions. [2024-11-23 23:17:37,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:17:37,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 65 [2024-11-23 23:17:37,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:37,344 INFO L225 Difference]: With dead ends: 4835 [2024-11-23 23:17:37,344 INFO L226 Difference]: Without dead ends: 4832 [2024-11-23 23:17:37,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:37,352 INFO L435 NwaCegarLoop]: 1716 mSDtfsCounter, 1683 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:37,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 1716 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:17:37,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4832 states. [2024-11-23 23:17:37,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4832 to 4832. [2024-11-23 23:17:37,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4832 states, 3438 states have (on average 1.2993019197207678) internal successors, (4467), 3499 states have internal predecessors, (4467), 1129 states have call successors, (1129), 265 states have call predecessors, (1129), 264 states have return successors, (1269), 1095 states have call predecessors, (1269), 1127 states have call successors, (1269) [2024-11-23 23:17:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4832 states to 4832 states and 6865 transitions. [2024-11-23 23:17:37,763 INFO L78 Accepts]: Start accepts. Automaton has 4832 states and 6865 transitions. Word has length 65 [2024-11-23 23:17:37,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:37,764 INFO L471 AbstractCegarLoop]: Abstraction has 4832 states and 6865 transitions. [2024-11-23 23:17:37,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:17:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand 4832 states and 6865 transitions. [2024-11-23 23:17:37,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-23 23:17:37,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:37,768 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:37,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:17:37,768 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:37,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:37,769 INFO L85 PathProgramCache]: Analyzing trace with hash 842598702, now seen corresponding path program 1 times [2024-11-23 23:17:37,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:17:37,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631168340] [2024-11-23 23:17:37,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:37,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:17:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 23:17:40,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:17:40,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631168340] [2024-11-23 23:17:40,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631168340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:40,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:40,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:17:40,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640808142] [2024-11-23 23:17:40,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:40,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:17:40,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:17:40,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:17:40,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:40,085 INFO L87 Difference]: Start difference. First operand 4832 states and 6865 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:17:40,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:40,360 INFO L93 Difference]: Finished difference Result 4834 states and 6866 transitions. [2024-11-23 23:17:40,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:17:40,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 66 [2024-11-23 23:17:40,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:40,415 INFO L225 Difference]: With dead ends: 4834 [2024-11-23 23:17:40,415 INFO L226 Difference]: Without dead ends: 4822 [2024-11-23 23:17:40,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:40,501 INFO L435 NwaCegarLoop]: 1715 mSDtfsCounter, 1680 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 1715 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:40,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 1715 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:17:40,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4822 states. [2024-11-23 23:17:41,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4822 to 4822. [2024-11-23 23:17:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4822 states, 3429 states have (on average 1.2992125984251968) internal successors, (4455), 3489 states have internal predecessors, (4455), 1128 states have call successors, (1128), 265 states have call predecessors, (1128), 264 states have return successors, (1269), 1095 states have call predecessors, (1269), 1127 states have call successors, (1269) [2024-11-23 23:17:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4822 states to 4822 states and 6852 transitions. [2024-11-23 23:17:41,098 INFO L78 Accepts]: Start accepts. Automaton has 4822 states and 6852 transitions. Word has length 66 [2024-11-23 23:17:41,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:41,098 INFO L471 AbstractCegarLoop]: Abstraction has 4822 states and 6852 transitions. [2024-11-23 23:17:41,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:17:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 4822 states and 6852 transitions. [2024-11-23 23:17:41,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 23:17:41,124 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:41,124 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:41,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:17:41,125 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:41,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:41,125 INFO L85 PathProgramCache]: Analyzing trace with hash -50254390, now seen corresponding path program 1 times [2024-11-23 23:17:41,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:17:41,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963004769] [2024-11-23 23:17:41,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:41,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:17:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:43,188 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-23 23:17:43,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:17:43,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963004769] [2024-11-23 23:17:43,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963004769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:43,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:43,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:17:43,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493392927] [2024-11-23 23:17:43,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:43,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:17:43,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:17:43,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:17:43,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:43,192 INFO L87 Difference]: Start difference. First operand 4822 states and 6852 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 23:17:43,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:43,743 INFO L93 Difference]: Finished difference Result 10110 states and 14331 transitions. [2024-11-23 23:17:43,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:17:43,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-23 23:17:43,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:43,790 INFO L225 Difference]: With dead ends: 10110 [2024-11-23 23:17:43,791 INFO L226 Difference]: Without dead ends: 5314 [2024-11-23 23:17:43,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:17:43,821 INFO L435 NwaCegarLoop]: 1714 mSDtfsCounter, 199 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 3388 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:43,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 3388 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:17:43,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5314 states. [2024-11-23 23:17:44,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5314 to 5304. [2024-11-23 23:17:44,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5304 states, 3767 states have (on average 1.2991770639766393) internal successors, (4894), 3827 states have internal predecessors, (4894), 1232 states have call successors, (1232), 305 states have call predecessors, (1232), 304 states have return successors, (1373), 1199 states have call predecessors, (1373), 1231 states have call successors, (1373) [2024-11-23 23:17:44,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5304 states to 5304 states and 7499 transitions. [2024-11-23 23:17:44,326 INFO L78 Accepts]: Start accepts. Automaton has 5304 states and 7499 transitions. Word has length 190 [2024-11-23 23:17:44,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:44,327 INFO L471 AbstractCegarLoop]: Abstraction has 5304 states and 7499 transitions. [2024-11-23 23:17:44,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 23:17:44,327 INFO L276 IsEmpty]: Start isEmpty. Operand 5304 states and 7499 transitions. [2024-11-23 23:17:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-23 23:17:44,341 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:44,342 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:44,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:17:44,342 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:44,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:44,343 INFO L85 PathProgramCache]: Analyzing trace with hash 2049057706, now seen corresponding path program 1 times [2024-11-23 23:17:44,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:17:44,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293017153] [2024-11-23 23:17:44,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:44,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:17:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:46,493 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-23 23:17:46,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:17:46,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293017153] [2024-11-23 23:17:46,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293017153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:17:46,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:17:46,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:17:46,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181823574] [2024-11-23 23:17:46,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:17:46,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:17:46,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:17:46,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:17:46,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:17:46,496 INFO L87 Difference]: Start difference. First operand 5304 states and 7499 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-23 23:17:50,547 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 [] [2024-11-23 23:17:56,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:17:56,182 INFO L93 Difference]: Finished difference Result 10338 states and 14839 transitions. [2024-11-23 23:17:56,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:17:56,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 199 [2024-11-23 23:17:56,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:17:56,217 INFO L225 Difference]: With dead ends: 10338 [2024-11-23 23:17:56,217 INFO L226 Difference]: Without dead ends: 5060 [2024-11-23 23:17:56,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:17:56,249 INFO L435 NwaCegarLoop]: 1622 mSDtfsCounter, 1591 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s 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, 9.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:17:56,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 2692 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 557 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2024-11-23 23:17:56,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5060 states. [2024-11-23 23:17:56,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5060 to 5060. [2024-11-23 23:17:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5060 states, 3579 states have (on average 1.2981279687063425) internal successors, (4646), 3639 states have internal predecessors, (4646), 1184 states have call successors, (1184), 297 states have call predecessors, (1184), 296 states have return successors, (1307), 1151 states have call predecessors, (1307), 1183 states have call successors, (1307) [2024-11-23 23:17:56,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 7137 transitions. [2024-11-23 23:17:56,760 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 7137 transitions. Word has length 199 [2024-11-23 23:17:56,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:17:56,761 INFO L471 AbstractCegarLoop]: Abstraction has 5060 states and 7137 transitions. [2024-11-23 23:17:56,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-23 23:17:56,761 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 7137 transitions. [2024-11-23 23:17:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-23 23:17:56,780 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:17:56,781 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:17:56,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:17:56,781 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:17:56,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:17:56,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1298820063, now seen corresponding path program 1 times [2024-11-23 23:17:56,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:17:56,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059789667] [2024-11-23 23:17:56,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:56,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:17:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:17:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-23 23:17:58,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:17:58,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059789667] [2024-11-23 23:17:58,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059789667] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:17:58,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495302592] [2024-11-23 23:17:58,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:17:58,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:17:58,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:17:58,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:17:58,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:18:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:02,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 3338 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:18:02,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:18:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-23 23:18:02,332 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:18:02,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495302592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:18:02,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:18:02,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-23 23:18:02,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998755302] [2024-11-23 23:18:02,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:18:02,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:18:02,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:18:02,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:18:02,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:18:02,334 INFO L87 Difference]: Start difference. First operand 5060 states and 7137 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-23 23:18:03,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:18:03,416 INFO L93 Difference]: Finished difference Result 10110 states and 14497 transitions. [2024-11-23 23:18:03,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:18:03,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 241 [2024-11-23 23:18:03,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:18:03,453 INFO L225 Difference]: With dead ends: 10110 [2024-11-23 23:18:03,453 INFO L226 Difference]: Without dead ends: 5076 [2024-11-23 23:18:03,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:18:03,478 INFO L435 NwaCegarLoop]: 1622 mSDtfsCounter, 4 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:18:03,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3241 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:18:03,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2024-11-23 23:18:03,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 5064. [2024-11-23 23:18:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5064 states, 3583 states have (on average 1.297795143734301) internal successors, (4650), 3643 states have internal predecessors, (4650), 1184 states have call successors, (1184), 297 states have call predecessors, (1184), 296 states have return successors, (1307), 1151 states have call predecessors, (1307), 1183 states have call successors, (1307) [2024-11-23 23:18:03,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 7141 transitions. [2024-11-23 23:18:03,956 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 7141 transitions. Word has length 241 [2024-11-23 23:18:03,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:18:03,956 INFO L471 AbstractCegarLoop]: Abstraction has 5064 states and 7141 transitions. [2024-11-23 23:18:03,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-23 23:18:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 7141 transitions. [2024-11-23 23:18:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-23 23:18:03,977 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:18:03,977 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:04,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:18:04,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:18:04,178 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:18:04,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:04,180 INFO L85 PathProgramCache]: Analyzing trace with hash -299082502, now seen corresponding path program 1 times [2024-11-23 23:18:04,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:18:04,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939761502] [2024-11-23 23:18:04,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:04,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:06,162 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-23 23:18:06,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:18:06,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939761502] [2024-11-23 23:18:06,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939761502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:18:06,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128141385] [2024-11-23 23:18:06,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:06,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:18:06,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:18:06,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:18:06,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:18:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:08,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 3438 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:18:08,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:18:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-23 23:18:09,059 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:18:09,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128141385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:18:09,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:18:09,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-23 23:18:09,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843878750] [2024-11-23 23:18:09,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:18:09,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:18:09,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:18:09,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:18:09,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:18:09,061 INFO L87 Difference]: Start difference. First operand 5064 states and 7141 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-23 23:18:09,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:18:09,657 INFO L93 Difference]: Finished difference Result 10110 states and 14493 transitions. [2024-11-23 23:18:09,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:18:09,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 244 [2024-11-23 23:18:09,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:18:09,693 INFO L225 Difference]: With dead ends: 10110 [2024-11-23 23:18:09,693 INFO L226 Difference]: Without dead ends: 5072 [2024-11-23 23:18:09,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:18:09,720 INFO L435 NwaCegarLoop]: 1623 mSDtfsCounter, 1 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3243 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:18:09,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3243 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:18:09,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5072 states. [2024-11-23 23:18:10,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5072 to 5068. [2024-11-23 23:18:10,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5068 states, 3587 states have (on average 1.2974630610538054) internal successors, (4654), 3647 states have internal predecessors, (4654), 1184 states have call successors, (1184), 297 states have call predecessors, (1184), 296 states have return successors, (1307), 1151 states have call predecessors, (1307), 1183 states have call successors, (1307) [2024-11-23 23:18:10,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5068 states to 5068 states and 7145 transitions. [2024-11-23 23:18:10,177 INFO L78 Accepts]: Start accepts. Automaton has 5068 states and 7145 transitions. Word has length 244 [2024-11-23 23:18:10,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:18:10,178 INFO L471 AbstractCegarLoop]: Abstraction has 5068 states and 7145 transitions. [2024-11-23 23:18:10,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-23 23:18:10,179 INFO L276 IsEmpty]: Start isEmpty. Operand 5068 states and 7145 transitions. [2024-11-23 23:18:10,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-11-23 23:18:10,197 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:18:10,197 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:10,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:18:10,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:18:10,398 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:18:10,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:10,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1999799326, now seen corresponding path program 1 times [2024-11-23 23:18:10,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:18:10,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785367157] [2024-11-23 23:18:10,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:10,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-23 23:18:12,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:18:12,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785367157] [2024-11-23 23:18:12,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785367157] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:18:12,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909616110] [2024-11-23 23:18:12,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:12,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:18:12,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:18:12,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:18:12,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:18:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:15,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 3465 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:18:15,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:18:15,811 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-23 23:18:15,811 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:18:17,184 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-23 23:18:17,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909616110] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:18:17,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:18:17,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-23 23:18:17,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742710045] [2024-11-23 23:18:17,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:18:17,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:18:17,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:18:17,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:18:17,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:18:17,188 INFO L87 Difference]: Start difference. First operand 5068 states and 7145 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-11-23 23:18:17,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:18:17,890 INFO L93 Difference]: Finished difference Result 10226 states and 14661 transitions. [2024-11-23 23:18:17,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:18:17,891 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) Word has length 246 [2024-11-23 23:18:17,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:18:17,929 INFO L225 Difference]: With dead ends: 10226 [2024-11-23 23:18:17,929 INFO L226 Difference]: Without dead ends: 5184 [2024-11-23 23:18:17,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:18:17,952 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 [2024-11-23 23:18:17,952 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] [2024-11-23 23:18:17,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2024-11-23 23:18:18,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 5144. [2024-11-23 23:18:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 3651 states have (on average 1.2955354697343193) internal successors, (4730), 3711 states have internal predecessors, (4730), 1196 states have call successors, (1196), 297 states have call predecessors, (1196), 296 states have return successors, (1325), 1163 states have call predecessors, (1325), 1195 states have call successors, (1325) [2024-11-23 23:18:18,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 7251 transitions. [2024-11-23 23:18:18,535 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 7251 transitions. Word has length 246 [2024-11-23 23:18:18,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:18:18,538 INFO L471 AbstractCegarLoop]: Abstraction has 5144 states and 7251 transitions. [2024-11-23 23:18:18,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-11-23 23:18:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 7251 transitions. [2024-11-23 23:18:18,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-23 23:18:18,558 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:18:18,558 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:18,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:18:18,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 23:18:18,759 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:18:18,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:18,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1548424797, now seen corresponding path program 1 times [2024-11-23 23:18:18,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:18:18,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047836208] [2024-11-23 23:18:18,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:18,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:21,065 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-23 23:18:21,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:18:21,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047836208] [2024-11-23 23:18:21,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047836208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:18:21,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:18:21,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:18:21,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695638466] [2024-11-23 23:18:21,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:18:21,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:18:21,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:18:21,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:18:21,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:18:21,071 INFO L87 Difference]: Start difference. First operand 5144 states and 7251 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-23 23:18:21,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:18:21,584 INFO L93 Difference]: Finished difference Result 10278 states and 14735 transitions. [2024-11-23 23:18:21,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:18:21,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 277 [2024-11-23 23:18:21,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:18:21,626 INFO L225 Difference]: With dead ends: 10278 [2024-11-23 23:18:21,626 INFO L226 Difference]: Without dead ends: 5160 [2024-11-23 23:18:21,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:18:21,650 INFO L435 NwaCegarLoop]: 1622 mSDtfsCounter, 2 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3241 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:18:21,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3241 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:18:21,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5160 states. [2024-11-23 23:18:21,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5160 to 5148. [2024-11-23 23:18:21,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5148 states, 3655 states have (on average 1.2952120383036936) internal successors, (4734), 3715 states have internal predecessors, (4734), 1196 states have call successors, (1196), 297 states have call predecessors, (1196), 296 states have return successors, (1325), 1163 states have call predecessors, (1325), 1195 states have call successors, (1325) [2024-11-23 23:18:22,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 7255 transitions. [2024-11-23 23:18:22,024 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 7255 transitions. Word has length 277 [2024-11-23 23:18:22,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:18:22,026 INFO L471 AbstractCegarLoop]: Abstraction has 5148 states and 7255 transitions. [2024-11-23 23:18:22,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-23 23:18:22,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 7255 transitions. [2024-11-23 23:18:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-23 23:18:22,049 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:18:22,050 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:22,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:18:22,050 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:18:22,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:22,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1289815483, now seen corresponding path program 1 times [2024-11-23 23:18:22,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:18:22,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61162602] [2024-11-23 23:18:22,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:22,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-23 23:18:23,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:18:23,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61162602] [2024-11-23 23:18:23,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61162602] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:18:23,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27784154] [2024-11-23 23:18:23,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:23,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:18:23,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:18:23,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:18:23,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:18:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:26,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 3586 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:18:26,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:18:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-23 23:18:27,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:18:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-23 23:18:28,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27784154] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:18:28,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:18:28,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-23 23:18:28,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539696195] [2024-11-23 23:18:28,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:18:28,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:18:28,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:18:28,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:18:28,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:18:28,819 INFO L87 Difference]: Start difference. First operand 5148 states and 7255 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 5 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2024-11-23 23:18:29,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:18:29,406 INFO L93 Difference]: Finished difference Result 10318 states and 14803 transitions. [2024-11-23 23:18:29,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:18:29,406 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 5 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) Word has length 285 [2024-11-23 23:18:29,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:18:29,439 INFO L225 Difference]: With dead ends: 10318 [2024-11-23 23:18:29,439 INFO L226 Difference]: Without dead ends: 5196 [2024-11-23 23:18:29,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:18:29,462 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 [2024-11-23 23:18:29,462 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] [2024-11-23 23:18:29,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2024-11-23 23:18:29,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 5196. [2024-11-23 23:18:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5196 states, 3691 states have (on average 1.2923327011649959) internal successors, (4770), 3751 states have internal predecessors, (4770), 1208 states have call successors, (1208), 297 states have call predecessors, (1208), 296 states have return successors, (1343), 1175 states have call predecessors, (1343), 1207 states have call successors, (1343) [2024-11-23 23:18:29,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 5196 states and 7321 transitions. [2024-11-23 23:18:29,823 INFO L78 Accepts]: Start accepts. Automaton has 5196 states and 7321 transitions. Word has length 285 [2024-11-23 23:18:29,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:18:29,824 INFO L471 AbstractCegarLoop]: Abstraction has 5196 states and 7321 transitions. [2024-11-23 23:18:29,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 5 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2024-11-23 23:18:29,824 INFO L276 IsEmpty]: Start isEmpty. Operand 5196 states and 7321 transitions. [2024-11-23 23:18:29,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-23 23:18:29,843 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:18:29,843 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:29,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 23:18:30,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-23 23:18:30,044 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:18:30,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:30,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1136181601, now seen corresponding path program 1 times [2024-11-23 23:18:30,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:18:30,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825622357] [2024-11-23 23:18:30,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:31,730 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-11-23 23:18:31,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:18:31,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825622357] [2024-11-23 23:18:31,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825622357] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:18:31,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631368587] [2024-11-23 23:18:31,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:31,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:18:31,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:18:31,734 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:18:31,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:18:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:34,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 3786 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:18:34,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:18:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-11-23 23:18:34,664 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:18:36,334 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-11-23 23:18:36,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631368587] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:18:36,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:18:36,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-23 23:18:36,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249481644] [2024-11-23 23:18:36,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:18:36,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:18:36,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:18:36,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:18:36,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:18:36,338 INFO L87 Difference]: Start difference. First operand 5196 states and 7321 transitions. Second operand has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-23 23:18:36,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:18:36,730 INFO L93 Difference]: Finished difference Result 10390 states and 14877 transitions. [2024-11-23 23:18:36,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:18:36,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 312 [2024-11-23 23:18:36,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:18:36,772 INFO L225 Difference]: With dead ends: 10390 [2024-11-23 23:18:36,772 INFO L226 Difference]: Without dead ends: 5220 [2024-11-23 23:18:36,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:18:36,798 INFO L435 NwaCegarLoop]: 1623 mSDtfsCounter, 2 mSDsluCounter, 3240 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4863 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:18:36,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4863 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:18:36,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5220 states. [2024-11-23 23:18:37,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5220 to 5220. [2024-11-23 23:18:37,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5220 states, 3715 states have (on average 1.2904441453566622) internal successors, (4794), 3775 states have internal predecessors, (4794), 1208 states have call successors, (1208), 297 states have call predecessors, (1208), 296 states have return successors, (1343), 1175 states have call predecessors, (1343), 1207 states have call successors, (1343) [2024-11-23 23:18:37,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 7345 transitions. [2024-11-23 23:18:37,267 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 7345 transitions. Word has length 312 [2024-11-23 23:18:37,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:18:37,268 INFO L471 AbstractCegarLoop]: Abstraction has 5220 states and 7345 transitions. [2024-11-23 23:18:37,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-23 23:18:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 7345 transitions. [2024-11-23 23:18:37,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-23 23:18:37,286 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:18:37,286 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:37,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:18:37,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:18:37,487 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:18:37,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:37,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1509144907, now seen corresponding path program 2 times [2024-11-23 23:18:37,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:18:37,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641759388] [2024-11-23 23:18:37,488 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:18:37,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:39,338 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 23:18:39,342 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:18:39,992 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-11-23 23:18:39,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:18:39,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641759388] [2024-11-23 23:18:39,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641759388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:18:39,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190812184] [2024-11-23 23:18:39,993 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:18:39,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:18:39,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:18:39,997 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:18:40,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0285ce3-590c-4149-9215-f3c10973a767/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process