./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ce7cfab1c5ecb337e40cd28b6f05fbb1012e52b341b5f9ae1eaf5789474a2652 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:52:57,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:52:57,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 11:52:57,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:52:57,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:52:57,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:52:57,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:52:57,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:52:57,172 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:52:57,172 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:52:57,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:52:57,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:52:57,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:52:57,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:52:57,173 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:52:57,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:52:57,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:52:57,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:52:57,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:52:57,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:52:57,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:52:57,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:52:57,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:52:57,174 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:52:57,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:52:57,174 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:52:57,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:52:57,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:52:57,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:52:57,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:52:57,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:52:57,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:52:57,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:52:57,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:52:57,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:52:57,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:52:57,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:52:57,175 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:52:57,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:52:57,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:52:57,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:52:57,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:52:57,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:52:57,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:52:57,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:52:57,176 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_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce7cfab1c5ecb337e40cd28b6f05fbb1012e52b341b5f9ae1eaf5789474a2652 [2024-12-02 11:52:57,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:52:57,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:52:57,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:52:57,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:52:57,455 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:52:57,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2024-12-02 11:53:00,095 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/data/498e233b7/ceb60fd5d0924d20a42dbc265ce3ba7a/FLAG419cf5d70 [2024-12-02 11:53:00,579 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:53:00,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2024-12-02 11:53:00,615 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/data/498e233b7/ceb60fd5d0924d20a42dbc265ce3ba7a/FLAG419cf5d70 [2024-12-02 11:53:00,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/data/498e233b7/ceb60fd5d0924d20a42dbc265ce3ba7a [2024-12-02 11:53:00,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:53:00,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:53:00,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:53:00,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:53:00,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:53:00,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:53:00" (1/1) ... [2024-12-02 11:53:00,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54672f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:00, skipping insertion in model container [2024-12-02 11:53:00,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:53:00" (1/1) ... [2024-12-02 11:53:00,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:53:02,938 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_162ae90a-141f-4c3f-b723-6581bd135b11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315653,315666] [2024-12-02 11:53:02,941 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_162ae90a-141f-4c3f-b723-6581bd135b11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315798,315811] [2024-12-02 11:53:02,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:53:02,990 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:53:03,076 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"); [5217] [2024-12-02 11:53:03,077 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5224] [2024-12-02 11:53:03,079 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5259-5260] [2024-12-02 11:53:03,079 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"); [5265-5267] [2024-12-02 11:53:03,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5315] [2024-12-02 11:53:03,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5318] [2024-12-02 11:53:03,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5321] [2024-12-02 11:53:03,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5324] [2024-12-02 11:53:03,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5393] [2024-12-02 11:53:03,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5439] [2024-12-02 11:53:03,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5447] [2024-12-02 11:53:03,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5454] [2024-12-02 11:53:03,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5462] [2024-12-02 11:53:03,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5469] [2024-12-02 11:53:03,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5477] [2024-12-02 11:53:03,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsl": "+S" (addr), "+c" (count): "d" (port)); [5484] [2024-12-02 11:53:03,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insl": "+D" (addr), "+c" (count): "d" (port)); [5491] [2024-12-02 11:53:03,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5560-5561] [2024-12-02 11:53:03,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5594-5595] [2024-12-02 11:53:03,287 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_162ae90a-141f-4c3f-b723-6581bd135b11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315653,315666] [2024-12-02 11:53:03,288 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_162ae90a-141f-4c3f-b723-6581bd135b11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315798,315811] [2024-12-02 11:53:03,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:53:03,477 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:53:03,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03 WrapperNode [2024-12-02 11:53:03,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:53:03,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:53:03,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:53:03,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:53:03,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:03,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:03,735 INFO L138 Inliner]: procedures = 389, calls = 1905, calls flagged for inlining = 178, calls inlined = 158, statements flattened = 5069 [2024-12-02 11:53:03,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:53:03,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:53:03,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:53:03,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:53:03,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:03,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:03,777 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:04,420 INFO L175 MemorySlicer]: Split 683 memory accesses to 17 slices as follows [2, 2, 6, 54, 1, 8, 4, 3, 24, 551, 8, 1, 2, 8, 6, 1, 2]. 81 percent of accesses are in the largest equivalence class. The 54 initializations are split as follows [0, 0, 6, 0, 0, 0, 0, 1, 24, 6, 0, 0, 0, 8, 6, 1, 2]. The 339 writes are split as follows [1, 1, 0, 42, 0, 1, 4, 0, 0, 287, 2, 1, 0, 0, 0, 0, 0]. [2024-12-02 11:53:04,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:04,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:04,510 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:04,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:04,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:04,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:04,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:04,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:53:04,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:53:04,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:53:04,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:53:04,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (1/1) ... [2024-12-02 11:53:04,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:53:04,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:53:04,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:53:04,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 11:53:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 11:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 11:53:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 11:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2024-12-02 11:53:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2024-12-02 11:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 11:53:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 11:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 11:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 11:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2024-12-02 11:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2024-12-02 11:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_open [2024-12-02 11:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_open [2024-12-02 11:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_load_eeprom [2024-12-02 11:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_load_eeprom [2024-12-02 11:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_sense_lan [2024-12-02 11:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_sense_lan [2024-12-02 11:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 11:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 11:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-12-02 11:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-12-02 11:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 11:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 11:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 11:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 11:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 11:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 11:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 11:53:04,675 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 11:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2024-12-02 11:53:04,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2024-12-02 11:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_103 [2024-12-02 11:53:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_103 [2024-12-02 11:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 11:53:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 11:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_cascade_reset [2024-12-02 11:53:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_cascade_reset [2024-12-02 11:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 11:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 11:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 11:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 11:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 11:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 11:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 11:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 11:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 11:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 11:53:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 11:53:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 11:53:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 11:53:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 11:53:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 11:53:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 11:53:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 11:53:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 11:53:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 11:53:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 11:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 11:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 11:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 11:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 11:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 11:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 11:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 11:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 11:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 11:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 11:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 11:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 11:53:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 11:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 11:53:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:53:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:53:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 11:53:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 11:53:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 11:53:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 11:53:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 11:53:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 11:53:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 11:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:53:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 11:53:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 11:53:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 11:53:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 11:53:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 11:53:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 11:53:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 11:53:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx_bm [2024-12-02 11:53:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx_bm [2024-12-02 11:53:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_BM_shutdown [2024-12-02 11:53:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_BM_shutdown [2024-12-02 11:53:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 11:53:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 11:53:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 11:53:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 11:53:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 11:53:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 11:53:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure wait [2024-12-02 11:53:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure wait [2024-12-02 11:53:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 11:53:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 11:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_hwinit [2024-12-02 11:53:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_hwinit [2024-12-02 11:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 11:53:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 11:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_whatever [2024-12-02 11:53:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_whatever [2024-12-02 11:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_close [2024-12-02 11:53:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_close [2024-12-02 11:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 11:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_stop_interface [2024-12-02 11:53:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_stop_interface [2024-12-02 11:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_check_lan [2024-12-02 11:53:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_check_lan [2024-12-02 11:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 11:53:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 11:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 11:53:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 11:53:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 11:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 11:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 11:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 11:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 11:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 11:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-12-02 11:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-12-02 11:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-12-02 11:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-12-02 11:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 11:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 11:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rxfill [2024-12-02 11:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rxfill [2024-12-02 11:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 11:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 11:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 11:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 11:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 11:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 11:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_update_stats [2024-12-02 11:53:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_update_stats [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 11:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 11:53:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 11:53:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 11:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 11:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 11:53:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 11:53:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 11:53:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 11:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 11:53:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:53:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 11:53:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 11:53:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 11:53:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-12-02 11:53:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-12-02 11:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 11:53:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-12-02 11:53:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 11:53:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2024-12-02 11:53:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_pci_remove [2024-12-02 11:53:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_pci_remove [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_build_rx_pdl [2024-12-02 11:53:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_build_rx_pdl [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 11:53:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 11:53:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-12-02 11:53:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hp100_private [2024-12-02 11:53:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hp100_private [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2024-12-02 11:53:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 11:53:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hp100_private [2024-12-02 11:53:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hp100_private [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2024-12-02 11:53:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-12-02 11:53:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-12-02 11:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 11:53:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_set_multicast_list [2024-12-02 11:53:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_set_multicast_list [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_interface [2024-12-02 11:53:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_interface [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-12-02 11:53:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clean_txring [2024-12-02 11:53:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clean_txring [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2024-12-02 11:53:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 11:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 11:53:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 11:53:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 11:53:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 11:53:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 11:53:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2024-12-02 11:53:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2024-12-02 11:53:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 11:53:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 11:53:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_login_to_vg_hub [2024-12-02 11:53:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_login_to_vg_hub [2024-12-02 11:53:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2024-12-02 11:53:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2024-12-02 11:53:05,466 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:53:05,469 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:53:06,144 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 11:53:18,802 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 11:53:18,804 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-02 11:53:21,237 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564: assume 2096896 == ~tmp___4~7#1 % 18446744073709551616;#t~bitwise750#1 := ~tmp___4~7#1; [2024-12-02 11:53:21,237 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564: assume !(2096896 == ~tmp___4~7#1 % 18446744073709551616); [2024-12-02 11:53:21,237 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564-2: havoc #t~bitwise750#1;assume #t~bitwise750#1 % 18446744073709551616 <= ~tmp___4~7#1 % 18446744073709551616 && #t~bitwise750#1 % 18446744073709551616 <= 2096896; [2024-12-02 11:53:21,237 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564-3: assume 0 == #t~bitwise750#1 % 18446744073709551616;havoc #t~bitwise750#1; [2024-12-02 11:53:21,237 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564-3: assume !(0 == #t~bitwise750#1 % 18446744073709551616);havoc #t~bitwise750#1; [2024-12-02 11:53:21,238 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564-5: assume (if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; [2024-12-02 11:53:21,238 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564-5: assume !((if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0); [2024-12-02 11:53:21,238 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566-1: assume -9223372036854775808 <= #t~ret751#1 && #t~ret751#1 <= 9223372036854775807;havoc #t~ret751#1; [2024-12-02 11:53:21,238 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566: SUMMARY for call #t~ret751#1 := schedule_timeout_interruptible(1); srcloc: null [2024-12-02 11:53:21,238 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 == ~tmp___4~7#1 % 18446744073709551616); [2024-12-02 11:53:21,238 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 == ~tmp___4~7#1 % 18446744073709551616;#t~bitwise750#1 := 0; [2024-12-02 11:53:22,195 INFO L? ?]: Removed 2357 outVars from TransFormulas that were not future-live. [2024-12-02 11:53:22,195 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:53:22,239 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:53:22,239 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 11:53:22,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:53:22 BoogieIcfgContainer [2024-12-02 11:53:22,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:53:22,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:53:22,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:53:22,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:53:22,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:53:00" (1/3) ... [2024-12-02 11:53:22,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec9d43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:53:22, skipping insertion in model container [2024-12-02 11:53:22,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:03" (2/3) ... [2024-12-02 11:53:22,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec9d43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:53:22, skipping insertion in model container [2024-12-02 11:53:22,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:53:22" (3/3) ... [2024-12-02 11:53:22,250 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2024-12-02 11:53:22,266 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:53:22,270 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i that has 114 procedures, 2290 locations, 1 initial locations, 52 loop locations, and 1 error locations. [2024-12-02 11:53:22,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:53:22,381 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;@65b198f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:53:22,381 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:53:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 2144 states, 1452 states have (on average 1.3519283746556474) internal successors, (1963), 1492 states have internal predecessors, (1963), 612 states have call successors, (612), 81 states have call predecessors, (612), 80 states have return successors, (607), 594 states have call predecessors, (607), 607 states have call successors, (607) [2024-12-02 11:53:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 11:53:22,418 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:53:22,418 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 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] [2024-12-02 11:53:22,419 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:53:22,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:53:22,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1060283493, now seen corresponding path program 1 times [2024-12-02 11:53:22,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:53:22,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307291707] [2024-12-02 11:53:22,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:53:22,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:53:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:53:27,920 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-12-02 11:53:27,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:53:27,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307291707] [2024-12-02 11:53:27,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307291707] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:53:27,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:53:27,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:53:27,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674431106] [2024-12-02 11:53:27,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:53:27,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:53:27,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:53:27,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:53:27,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:53:27,959 INFO L87 Difference]: Start difference. First operand has 2144 states, 1452 states have (on average 1.3519283746556474) internal successors, (1963), 1492 states have internal predecessors, (1963), 612 states have call successors, (612), 81 states have call predecessors, (612), 80 states have return successors, (607), 594 states have call predecessors, (607), 607 states have call successors, (607) Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 11:53:32,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:53:32,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:53:32,666 INFO L93 Difference]: Finished difference Result 6122 states and 9257 transitions. [2024-12-02 11:53:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:53:32,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 130 [2024-12-02 11:53:32,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:53:32,722 INFO L225 Difference]: With dead ends: 6122 [2024-12-02 11:53:32,722 INFO L226 Difference]: Without dead ends: 3923 [2024-12-02 11:53:32,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:53:32,751 INFO L435 NwaCegarLoop]: 3719 mSDtfsCounter, 2791 mSDsluCounter, 3075 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 6794 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:53:32,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 6794 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 11:53:32,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3923 states. [2024-12-02 11:53:33,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3923 to 3919. [2024-12-02 11:53:33,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3919 states, 2656 states have (on average 1.3335843373493976) internal successors, (3542), 2729 states have internal predecessors, (3542), 1114 states have call successors, (1114), 150 states have call predecessors, (1114), 148 states have return successors, (1121), 1083 states have call predecessors, (1121), 1114 states have call successors, (1121) [2024-12-02 11:53:33,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3919 states to 3919 states and 5777 transitions. [2024-12-02 11:53:33,109 INFO L78 Accepts]: Start accepts. Automaton has 3919 states and 5777 transitions. Word has length 130 [2024-12-02 11:53:33,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:53:33,110 INFO L471 AbstractCegarLoop]: Abstraction has 3919 states and 5777 transitions. [2024-12-02 11:53:33,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 11:53:33,111 INFO L276 IsEmpty]: Start isEmpty. Operand 3919 states and 5777 transitions. [2024-12-02 11:53:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-12-02 11:53:33,133 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:53:33,133 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2024-12-02 11:53:33,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:53:33,134 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:53:33,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:53:33,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1825792040, now seen corresponding path program 1 times [2024-12-02 11:53:33,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:53:33,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542892696] [2024-12-02 11:53:33,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:53:33,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:53:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:53:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 11:53:38,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:53:38,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542892696] [2024-12-02 11:53:38,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542892696] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:53:38,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:53:38,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:53:38,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003930451] [2024-12-02 11:53:38,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:53:38,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:53:38,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:53:38,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:53:38,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:53:38,031 INFO L87 Difference]: Start difference. First operand 3919 states and 5777 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-12-02 11:53:42,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:53:43,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:53:43,441 INFO L93 Difference]: Finished difference Result 10118 states and 14917 transitions. [2024-12-02 11:53:43,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:53:43,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 199 [2024-12-02 11:53:43,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:53:43,497 INFO L225 Difference]: With dead ends: 10118 [2024-12-02 11:53:43,497 INFO L226 Difference]: Without dead ends: 6212 [2024-12-02 11:53:43,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:53:43,523 INFO L435 NwaCegarLoop]: 3119 mSDtfsCounter, 1826 mSDsluCounter, 3026 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1826 SdHoareTripleChecker+Valid, 6145 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:53:43,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1826 Valid, 6145 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 11:53:43,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6212 states. [2024-12-02 11:53:43,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6212 to 6208. [2024-12-02 11:53:43,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6208 states, 4249 states have (on average 1.3403153683219582) internal successors, (5695), 4362 states have internal predecessors, (5695), 1710 states have call successors, (1710), 250 states have call predecessors, (1710), 248 states have return successors, (1717), 1663 states have call predecessors, (1717), 1710 states have call successors, (1717) [2024-12-02 11:53:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6208 states to 6208 states and 9122 transitions. [2024-12-02 11:53:43,915 INFO L78 Accepts]: Start accepts. Automaton has 6208 states and 9122 transitions. Word has length 199 [2024-12-02 11:53:43,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:53:43,915 INFO L471 AbstractCegarLoop]: Abstraction has 6208 states and 9122 transitions. [2024-12-02 11:53:43,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-12-02 11:53:43,916 INFO L276 IsEmpty]: Start isEmpty. Operand 6208 states and 9122 transitions. [2024-12-02 11:53:43,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-12-02 11:53:43,934 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:53:43,935 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:53:43,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:53:43,935 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:53:43,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:53:43,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1037648960, now seen corresponding path program 1 times [2024-12-02 11:53:43,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:53:43,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698100071] [2024-12-02 11:53:43,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:53:43,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:53:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:53:49,278 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-12-02 11:53:49,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:53:49,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698100071] [2024-12-02 11:53:49,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698100071] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:53:49,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:53:49,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:53:49,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321104237] [2024-12-02 11:53:49,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:53:49,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:53:49,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:53:49,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:53:49,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:53:49,282 INFO L87 Difference]: Start difference. First operand 6208 states and 9122 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 11:53:53,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:53:54,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:53:54,248 INFO L93 Difference]: Finished difference Result 16499 states and 24181 transitions. [2024-12-02 11:53:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:53:54,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 335 [2024-12-02 11:53:54,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:53:54,304 INFO L225 Difference]: With dead ends: 16499 [2024-12-02 11:53:54,304 INFO L226 Difference]: Without dead ends: 10304 [2024-12-02 11:53:54,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:53:54,327 INFO L435 NwaCegarLoop]: 3095 mSDtfsCounter, 2817 mSDsluCounter, 3007 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2817 SdHoareTripleChecker+Valid, 6102 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:53:54,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2817 Valid, 6102 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 11:53:54,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10304 states. [2024-12-02 11:53:54,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10304 to 10299. [2024-12-02 11:53:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10299 states, 7059 states have (on average 1.333758322708599) internal successors, (9415), 7247 states have internal predecessors, (9415), 2811 states have call successors, (2811), 433 states have call predecessors, (2811), 428 states have return successors, (2826), 2731 states have call predecessors, (2826), 2811 states have call successors, (2826) [2024-12-02 11:53:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10299 states to 10299 states and 15052 transitions. [2024-12-02 11:53:54,757 INFO L78 Accepts]: Start accepts. Automaton has 10299 states and 15052 transitions. Word has length 335 [2024-12-02 11:53:54,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:53:54,758 INFO L471 AbstractCegarLoop]: Abstraction has 10299 states and 15052 transitions. [2024-12-02 11:53:54,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 11:53:54,758 INFO L276 IsEmpty]: Start isEmpty. Operand 10299 states and 15052 transitions. [2024-12-02 11:53:54,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-12-02 11:53:54,768 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:53:54,768 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:53:54,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:53:54,768 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:53:54,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:53:54,769 INFO L85 PathProgramCache]: Analyzing trace with hash -986627584, now seen corresponding path program 1 times [2024-12-02 11:53:54,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:53:54,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683477092] [2024-12-02 11:53:54,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:53:54,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:53:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:53:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 11:53:59,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:53:59,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683477092] [2024-12-02 11:53:59,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683477092] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:53:59,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:53:59,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:53:59,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766028328] [2024-12-02 11:53:59,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:53:59,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:53:59,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:53:59,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:53:59,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:53:59,369 INFO L87 Difference]: Start difference. First operand 10299 states and 15052 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 11:54:03,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:54:04,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:04,591 INFO L93 Difference]: Finished difference Result 23446 states and 34229 transitions. [2024-12-02 11:54:04,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:04,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 262 [2024-12-02 11:54:04,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:04,674 INFO L225 Difference]: With dead ends: 23446 [2024-12-02 11:54:04,674 INFO L226 Difference]: Without dead ends: 13160 [2024-12-02 11:54:04,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:04,711 INFO L435 NwaCegarLoop]: 4901 mSDtfsCounter, 1830 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1830 SdHoareTripleChecker+Valid, 7916 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 11:54:04,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1830 Valid, 7916 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 11:54:04,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13160 states. [2024-12-02 11:54:05,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13160 to 13154. [2024-12-02 11:54:05,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13154 states, 9062 states have (on average 1.332818362392408) internal successors, (12078), 9299 states have internal predecessors, (12078), 3518 states have call successors, (3518), 578 states have call predecessors, (3518), 573 states have return successors, (3533), 3420 states have call predecessors, (3533), 3518 states have call successors, (3533) [2024-12-02 11:54:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13154 states to 13154 states and 19129 transitions. [2024-12-02 11:54:05,253 INFO L78 Accepts]: Start accepts. Automaton has 13154 states and 19129 transitions. Word has length 262 [2024-12-02 11:54:05,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:05,253 INFO L471 AbstractCegarLoop]: Abstraction has 13154 states and 19129 transitions. [2024-12-02 11:54:05,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 11:54:05,254 INFO L276 IsEmpty]: Start isEmpty. Operand 13154 states and 19129 transitions. [2024-12-02 11:54:05,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-12-02 11:54:05,263 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:05,264 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:05,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:54:05,264 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:54:05,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:05,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1557676562, now seen corresponding path program 1 times [2024-12-02 11:54:05,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:05,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347620002] [2024-12-02 11:54:05,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:05,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-12-02 11:54:09,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:09,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347620002] [2024-12-02 11:54:09,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347620002] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:09,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:09,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:54:09,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428760708] [2024-12-02 11:54:09,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:09,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:09,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:09,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:09,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:09,771 INFO L87 Difference]: Start difference. First operand 13154 states and 19129 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 11:54:13,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:54:14,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:14,897 INFO L93 Difference]: Finished difference Result 29121 states and 42321 transitions. [2024-12-02 11:54:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:14,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 336 [2024-12-02 11:54:14,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:14,974 INFO L225 Difference]: With dead ends: 29121 [2024-12-02 11:54:14,974 INFO L226 Difference]: Without dead ends: 15980 [2024-12-02 11:54:15,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:15,021 INFO L435 NwaCegarLoop]: 4902 mSDtfsCounter, 1826 mSDsluCounter, 3022 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1826 SdHoareTripleChecker+Valid, 7924 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 11:54:15,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1826 Valid, 7924 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 11:54:15,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15980 states. [2024-12-02 11:54:15,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15980 to 15974. [2024-12-02 11:54:15,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15974 states, 11043 states have (on average 1.3328805578194332) internal successors, (14719), 11329 states have internal predecessors, (14719), 4213 states have call successors, (4213), 722 states have call predecessors, (4213), 717 states have return successors, (4228), 4097 states have call predecessors, (4228), 4213 states have call successors, (4228) [2024-12-02 11:54:15,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15974 states to 15974 states and 23160 transitions. [2024-12-02 11:54:15,732 INFO L78 Accepts]: Start accepts. Automaton has 15974 states and 23160 transitions. Word has length 336 [2024-12-02 11:54:15,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:15,733 INFO L471 AbstractCegarLoop]: Abstraction has 15974 states and 23160 transitions. [2024-12-02 11:54:15,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 11:54:15,733 INFO L276 IsEmpty]: Start isEmpty. Operand 15974 states and 23160 transitions. [2024-12-02 11:54:15,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-12-02 11:54:15,747 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:15,747 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:15,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:54:15,748 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:54:15,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:15,749 INFO L85 PathProgramCache]: Analyzing trace with hash 885086181, now seen corresponding path program 1 times [2024-12-02 11:54:15,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:15,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059425903] [2024-12-02 11:54:15,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:15,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-12-02 11:54:20,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:20,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059425903] [2024-12-02 11:54:20,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059425903] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:20,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:20,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:54:20,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362378855] [2024-12-02 11:54:20,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:20,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:20,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:20,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:20,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:20,023 INFO L87 Difference]: Start difference. First operand 15974 states and 23160 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 11:54:24,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:54:25,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:25,263 INFO L93 Difference]: Finished difference Result 37258 states and 54190 transitions. [2024-12-02 11:54:25,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:25,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 335 [2024-12-02 11:54:25,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:25,381 INFO L225 Difference]: With dead ends: 37258 [2024-12-02 11:54:25,381 INFO L226 Difference]: Without dead ends: 21297 [2024-12-02 11:54:25,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:25,437 INFO L435 NwaCegarLoop]: 5297 mSDtfsCounter, 2797 mSDsluCounter, 2509 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2797 SdHoareTripleChecker+Valid, 7806 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 11:54:25,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2797 Valid, 7806 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 11:54:25,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21297 states. [2024-12-02 11:54:26,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21297 to 21291. [2024-12-02 11:54:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21291 states, 14621 states have (on average 1.3349976061828877) internal successors, (19519), 15010 states have internal predecessors, (19519), 5726 states have call successors, (5726), 948 states have call predecessors, (5726), 943 states have return successors, (5741), 5568 states have call predecessors, (5741), 5726 states have call successors, (5741) [2024-12-02 11:54:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21291 states to 21291 states and 30986 transitions. [2024-12-02 11:54:26,611 INFO L78 Accepts]: Start accepts. Automaton has 21291 states and 30986 transitions. Word has length 335 [2024-12-02 11:54:26,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:26,612 INFO L471 AbstractCegarLoop]: Abstraction has 21291 states and 30986 transitions. [2024-12-02 11:54:26,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 11:54:26,612 INFO L276 IsEmpty]: Start isEmpty. Operand 21291 states and 30986 transitions. [2024-12-02 11:54:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-12-02 11:54:26,631 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:26,631 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:26,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:54:26,632 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:54:26,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:26,632 INFO L85 PathProgramCache]: Analyzing trace with hash 795304143, now seen corresponding path program 1 times [2024-12-02 11:54:26,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:26,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506601212] [2024-12-02 11:54:26,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:26,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2024-12-02 11:54:31,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:31,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506601212] [2024-12-02 11:54:31,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506601212] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:31,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:31,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:54:31,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135161095] [2024-12-02 11:54:31,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:31,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:31,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:31,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:31,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:31,194 INFO L87 Difference]: Start difference. First operand 21291 states and 30986 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 11:54:35,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:54:36,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:36,711 INFO L93 Difference]: Finished difference Result 45387 states and 66035 transitions. [2024-12-02 11:54:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:36,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 389 [2024-12-02 11:54:36,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:36,799 INFO L225 Difference]: With dead ends: 45387 [2024-12-02 11:54:36,799 INFO L226 Difference]: Without dead ends: 24109 [2024-12-02 11:54:36,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:36,852 INFO L435 NwaCegarLoop]: 4721 mSDtfsCounter, 1827 mSDsluCounter, 3021 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 7742 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 11:54:36,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 7742 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 11:54:36,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24109 states. [2024-12-02 11:54:37,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24109 to 24103. [2024-12-02 11:54:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24103 states, 16598 states have (on average 1.3348596216411617) internal successors, (22156), 17036 states have internal predecessors, (22156), 6421 states have call successors, (6421), 1088 states have call predecessors, (6421), 1083 states have return successors, (6436), 6245 states have call predecessors, (6436), 6421 states have call successors, (6436) [2024-12-02 11:54:37,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24103 states to 24103 states and 35013 transitions. [2024-12-02 11:54:37,619 INFO L78 Accepts]: Start accepts. Automaton has 24103 states and 35013 transitions. Word has length 389 [2024-12-02 11:54:37,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:37,620 INFO L471 AbstractCegarLoop]: Abstraction has 24103 states and 35013 transitions. [2024-12-02 11:54:37,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 11:54:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 24103 states and 35013 transitions. [2024-12-02 11:54:37,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-12-02 11:54:37,631 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:37,632 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:37,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:54:37,632 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:54:37,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:37,632 INFO L85 PathProgramCache]: Analyzing trace with hash -552251968, now seen corresponding path program 1 times [2024-12-02 11:54:37,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:37,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793064964] [2024-12-02 11:54:37,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:37,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2024-12-02 11:54:42,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:42,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793064964] [2024-12-02 11:54:42,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793064964] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:42,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:42,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:54:42,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668372443] [2024-12-02 11:54:42,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:42,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:42,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:42,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:42,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:42,577 INFO L87 Difference]: Start difference. First operand 24103 states and 35013 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 11:54:46,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:54:47,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:47,983 INFO L93 Difference]: Finished difference Result 51059 states and 74149 transitions. [2024-12-02 11:54:47,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:47,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 390 [2024-12-02 11:54:47,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:48,130 INFO L225 Difference]: With dead ends: 51059 [2024-12-02 11:54:48,130 INFO L226 Difference]: Without dead ends: 26969 [2024-12-02 11:54:48,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:48,213 INFO L435 NwaCegarLoop]: 4878 mSDtfsCounter, 1839 mSDsluCounter, 3022 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 7900 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 11:54:48,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1839 Valid, 7900 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 11:54:48,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26969 states. [2024-12-02 11:54:49,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26969 to 26963. [2024-12-02 11:54:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26963 states, 18615 states have (on average 1.3344614558152028) internal successors, (24841), 19102 states have internal predecessors, (24841), 7120 states have call successors, (7120), 1232 states have call predecessors, (7120), 1227 states have return successors, (7135), 6926 states have call predecessors, (7135), 7120 states have call successors, (7135) [2024-12-02 11:54:49,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26963 states to 26963 states and 39096 transitions. [2024-12-02 11:54:49,238 INFO L78 Accepts]: Start accepts. Automaton has 26963 states and 39096 transitions. Word has length 390 [2024-12-02 11:54:49,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:49,238 INFO L471 AbstractCegarLoop]: Abstraction has 26963 states and 39096 transitions. [2024-12-02 11:54:49,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 11:54:49,239 INFO L276 IsEmpty]: Start isEmpty. Operand 26963 states and 39096 transitions. [2024-12-02 11:54:49,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2024-12-02 11:54:49,247 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:49,248 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:49,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:54:49,248 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:54:49,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:49,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1394115423, now seen corresponding path program 1 times [2024-12-02 11:54:49,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:49,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039714885] [2024-12-02 11:54:49,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:49,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2024-12-02 11:54:53,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:53,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039714885] [2024-12-02 11:54:53,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039714885] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:53,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:53,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:54:53,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2249163] [2024-12-02 11:54:53,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:53,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:54:53,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:53,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:54:53,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:54:53,500 INFO L87 Difference]: Start difference. First operand 26963 states and 39096 transitions. Second operand has 5 states, 5 states have (on average 38.0) internal successors, (190), 4 states have internal predecessors, (190), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 11:54:57,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:54:59,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:59,281 INFO L93 Difference]: Finished difference Result 58167 states and 84356 transitions. [2024-12-02 11:54:59,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:54:59,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.0) internal successors, (190), 4 states have internal predecessors, (190), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) Word has length 431 [2024-12-02 11:54:59,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:59,405 INFO L225 Difference]: With dead ends: 58167 [2024-12-02 11:54:59,405 INFO L226 Difference]: Without dead ends: 31217 [2024-12-02 11:54:59,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:54:59,479 INFO L435 NwaCegarLoop]: 4798 mSDtfsCounter, 1985 mSDsluCounter, 12597 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 17395 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:54:59,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1985 Valid, 17395 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 11:54:59,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31217 states. [2024-12-02 11:55:00,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31217 to 31203. [2024-12-02 11:55:00,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31203 states, 21571 states have (on average 1.335913958555468) internal successors, (28817), 22128 states have internal predecessors, (28817), 8206 states have call successors, (8206), 1431 states have call predecessors, (8206), 1425 states have return successors, (8225), 7987 states have call predecessors, (8225), 8206 states have call successors, (8225) [2024-12-02 11:55:00,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31203 states to 31203 states and 45248 transitions. [2024-12-02 11:55:00,481 INFO L78 Accepts]: Start accepts. Automaton has 31203 states and 45248 transitions. Word has length 431 [2024-12-02 11:55:00,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:55:00,481 INFO L471 AbstractCegarLoop]: Abstraction has 31203 states and 45248 transitions. [2024-12-02 11:55:00,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.0) internal successors, (190), 4 states have internal predecessors, (190), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 11:55:00,482 INFO L276 IsEmpty]: Start isEmpty. Operand 31203 states and 45248 transitions. [2024-12-02 11:55:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2024-12-02 11:55:00,491 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:55:00,491 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:55:00,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 11:55:00,491 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:55:00,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:55:00,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1564158494, now seen corresponding path program 1 times [2024-12-02 11:55:00,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:55:00,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295798683] [2024-12-02 11:55:00,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:55:00,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:55:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:55:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2024-12-02 11:55:05,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:55:05,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295798683] [2024-12-02 11:55:05,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295798683] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:55:05,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:55:05,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:55:05,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406273235] [2024-12-02 11:55:05,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:55:05,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:55:05,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:55:05,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:55:05,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:55:05,430 INFO L87 Difference]: Start difference. First operand 31203 states and 45248 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 4 states have internal predecessors, (191), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 11:55:09,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:55:11,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:55:11,378 INFO L93 Difference]: Finished difference Result 65247 states and 94579 transitions. [2024-12-02 11:55:11,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:55:11,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 4 states have internal predecessors, (191), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) Word has length 432 [2024-12-02 11:55:11,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:55:11,543 INFO L225 Difference]: With dead ends: 65247 [2024-12-02 11:55:11,543 INFO L226 Difference]: Without dead ends: 34057 [2024-12-02 11:55:11,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:55:11,648 INFO L435 NwaCegarLoop]: 4909 mSDtfsCounter, 1833 mSDsluCounter, 12825 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 17734 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:55:11,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1833 Valid, 17734 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 11:55:11,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34057 states. [2024-12-02 11:55:12,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34057 to 34043. [2024-12-02 11:55:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34043 states, 23560 states have (on average 1.3355687606112054) internal successors, (31466), 24166 states have internal predecessors, (31466), 8905 states have call successors, (8905), 1579 states have call predecessors, (8905), 1577 states have return successors, (8928), 8672 states have call predecessors, (8928), 8905 states have call successors, (8928) [2024-12-02 11:55:12,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34043 states to 34043 states and 49299 transitions. [2024-12-02 11:55:12,708 INFO L78 Accepts]: Start accepts. Automaton has 34043 states and 49299 transitions. Word has length 432 [2024-12-02 11:55:12,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:55:12,709 INFO L471 AbstractCegarLoop]: Abstraction has 34043 states and 49299 transitions. [2024-12-02 11:55:12,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 4 states have internal predecessors, (191), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 11:55:12,709 INFO L276 IsEmpty]: Start isEmpty. Operand 34043 states and 49299 transitions. [2024-12-02 11:55:12,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2024-12-02 11:55:12,718 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:55:12,718 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:55:12,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 11:55:12,718 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:55:12,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:55:12,719 INFO L85 PathProgramCache]: Analyzing trace with hash -533094379, now seen corresponding path program 1 times [2024-12-02 11:55:12,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:55:12,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902875754] [2024-12-02 11:55:12,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:55:12,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:55:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:55:17,190 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2024-12-02 11:55:17,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:55:17,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902875754] [2024-12-02 11:55:17,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902875754] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:55:17,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:55:17,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:55:17,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842939681] [2024-12-02 11:55:17,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:55:17,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:55:17,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:55:17,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:55:17,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:55:17,192 INFO L87 Difference]: Start difference. First operand 34043 states and 49299 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 4 states have internal predecessors, (191), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 11:55:21,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:55:23,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:55:23,256 INFO L93 Difference]: Finished difference Result 70891 states and 102657 transitions. [2024-12-02 11:55:23,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:55:23,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 4 states have internal predecessors, (191), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) Word has length 432 [2024-12-02 11:55:23,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:55:23,416 INFO L225 Difference]: With dead ends: 70891 [2024-12-02 11:55:23,416 INFO L226 Difference]: Without dead ends: 36861 [2024-12-02 11:55:23,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:55:23,523 INFO L435 NwaCegarLoop]: 4906 mSDtfsCounter, 1820 mSDsluCounter, 12828 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1820 SdHoareTripleChecker+Valid, 17734 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:55:23,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1820 Valid, 17734 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 11:55:23,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36861 states. [2024-12-02 11:55:24,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36861 to 36847. [2024-12-02 11:55:24,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36847 states, 25529 states have (on average 1.3355399741470484) internal successors, (34095), 26184 states have internal predecessors, (34095), 9600 states have call successors, (9600), 1719 states have call predecessors, (9600), 1717 states have return successors, (9623), 9349 states have call predecessors, (9623), 9600 states have call successors, (9623) [2024-12-02 11:55:24,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36847 states to 36847 states and 53318 transitions. [2024-12-02 11:55:24,646 INFO L78 Accepts]: Start accepts. Automaton has 36847 states and 53318 transitions. Word has length 432 [2024-12-02 11:55:24,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:55:24,647 INFO L471 AbstractCegarLoop]: Abstraction has 36847 states and 53318 transitions. [2024-12-02 11:55:24,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 4 states have internal predecessors, (191), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 11:55:24,647 INFO L276 IsEmpty]: Start isEmpty. Operand 36847 states and 53318 transitions. [2024-12-02 11:55:24,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2024-12-02 11:55:24,657 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:55:24,657 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 14, 14, 14, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:55:24,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 11:55:24,658 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:55:24,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:55:24,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1385015079, now seen corresponding path program 1 times [2024-12-02 11:55:24,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:55:24,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672547404] [2024-12-02 11:55:24,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:55:24,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:55:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:55:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 939 trivial. 0 not checked. [2024-12-02 11:55:29,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:55:29,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672547404] [2024-12-02 11:55:29,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672547404] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:55:29,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:55:29,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:55:29,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011948798] [2024-12-02 11:55:29,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:55:29,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:55:29,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:55:29,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:55:29,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:55:29,145 INFO L87 Difference]: Start difference. First operand 36847 states and 53318 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 11:55:33,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:55:34,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:55:34,835 INFO L93 Difference]: Finished difference Result 77568 states and 112291 transitions. [2024-12-02 11:55:34,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:55:34,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 448 [2024-12-02 11:55:34,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:55:34,980 INFO L225 Difference]: With dead ends: 77568 [2024-12-02 11:55:34,980 INFO L226 Difference]: Without dead ends: 40734 [2024-12-02 11:55:35,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:55:35,072 INFO L435 NwaCegarLoop]: 4981 mSDtfsCounter, 1976 mSDsluCounter, 3021 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 8002 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:55:35,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 8002 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 11:55:35,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40734 states. [2024-12-02 11:55:36,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40734 to 40728. [2024-12-02 11:55:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40728 states, 28242 states have (on average 1.3372990581403583) internal successors, (37768), 28966 states have internal predecessors, (37768), 10593 states have call successors, (10593), 1896 states have call predecessors, (10593), 1892 states have return successors, (10616), 10316 states have call predecessors, (10616), 10593 states have call successors, (10616) [2024-12-02 11:55:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40728 states to 40728 states and 58977 transitions. [2024-12-02 11:55:36,271 INFO L78 Accepts]: Start accepts. Automaton has 40728 states and 58977 transitions. Word has length 448 [2024-12-02 11:55:36,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:55:36,272 INFO L471 AbstractCegarLoop]: Abstraction has 40728 states and 58977 transitions. [2024-12-02 11:55:36,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 11:55:36,272 INFO L276 IsEmpty]: Start isEmpty. Operand 40728 states and 58977 transitions. [2024-12-02 11:55:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2024-12-02 11:55:36,282 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:55:36,283 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 14, 14, 14, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:55:36,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 11:55:36,283 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:55:36,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:55:36,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1119646173, now seen corresponding path program 1 times [2024-12-02 11:55:36,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:55:36,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371656382] [2024-12-02 11:55:36,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:55:36,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:55:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:55:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2024-12-02 11:55:40,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:55:40,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371656382] [2024-12-02 11:55:40,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371656382] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:55:40,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:55:40,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:55:40,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017344300] [2024-12-02 11:55:40,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:55:40,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:55:40,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:55:40,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:55:40,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:55:40,702 INFO L87 Difference]: Start difference. First operand 40728 states and 58977 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 11:55:44,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:55:46,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:55:46,445 INFO L93 Difference]: Finished difference Result 84293 states and 122045 transitions. [2024-12-02 11:55:46,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:55:46,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 455 [2024-12-02 11:55:46,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:55:46,657 INFO L225 Difference]: With dead ends: 84293 [2024-12-02 11:55:46,657 INFO L226 Difference]: Without dead ends: 43578 [2024-12-02 11:55:46,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:55:46,794 INFO L435 NwaCegarLoop]: 4915 mSDtfsCounter, 1833 mSDsluCounter, 3024 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 7939 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 11:55:46,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1833 Valid, 7939 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 11:55:46,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43578 states. [2024-12-02 11:55:48,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43578 to 43572. [2024-12-02 11:55:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43572 states, 30243 states have (on average 1.337069735145323) internal successors, (40437), 31016 states have internal predecessors, (40437), 11292 states have call successors, (11292), 2040 states have call predecessors, (11292), 2036 states have return successors, (11315), 10997 states have call predecessors, (11315), 11292 states have call successors, (11315) [2024-12-02 11:55:48,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43572 states to 43572 states and 63044 transitions. [2024-12-02 11:55:48,265 INFO L78 Accepts]: Start accepts. Automaton has 43572 states and 63044 transitions. Word has length 455 [2024-12-02 11:55:48,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:55:48,265 INFO L471 AbstractCegarLoop]: Abstraction has 43572 states and 63044 transitions. [2024-12-02 11:55:48,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 11:55:48,266 INFO L276 IsEmpty]: Start isEmpty. Operand 43572 states and 63044 transitions. [2024-12-02 11:55:48,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-12-02 11:55:48,276 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:55:48,276 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:55:48,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 11:55:48,277 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:55:48,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:55:48,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1045679222, now seen corresponding path program 1 times [2024-12-02 11:55:48,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:55:48,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059188828] [2024-12-02 11:55:48,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:55:48,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:55:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:55:52,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 82 proven. 15 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2024-12-02 11:55:52,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:55:52,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059188828] [2024-12-02 11:55:52,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059188828] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:55:52,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020797075] [2024-12-02 11:55:52,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:55:52,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:55:52,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:55:52,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:55:52,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:55:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:55:58,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 4347 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:55:58,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:56:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2024-12-02 11:56:07,570 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:56:07,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020797075] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:56:07,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:56:07,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 11:56:07,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427981522] [2024-12-02 11:56:07,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:56:07,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:56:07,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:56:07,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:56:07,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:56:07,572 INFO L87 Difference]: Start difference. First operand 43572 states and 63044 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (43), 2 states have call predecessors, (43), 1 states have call successors, (43) [2024-12-02 11:56:08,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:56:08,615 INFO L93 Difference]: Finished difference Result 87131 states and 126595 transitions. [2024-12-02 11:56:08,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:56:08,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (43), 2 states have call predecessors, (43), 1 states have call successors, (43) Word has length 469 [2024-12-02 11:56:08,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:56:08,860 INFO L225 Difference]: With dead ends: 87131 [2024-12-02 11:56:08,860 INFO L226 Difference]: Without dead ends: 43572 [2024-12-02 11:56:09,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:56:09,021 INFO L435 NwaCegarLoop]: 3080 mSDtfsCounter, 2816 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2816 SdHoareTripleChecker+Valid, 3080 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:56:09,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2816 Valid, 3080 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:56:09,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43572 states. [2024-12-02 11:56:10,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43572 to 43572. [2024-12-02 11:56:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43572 states, 30243 states have (on average 1.335813246040406) internal successors, (40399), 31016 states have internal predecessors, (40399), 11292 states have call successors, (11292), 2040 states have call predecessors, (11292), 2036 states have return successors, (11315), 10997 states have call predecessors, (11315), 11292 states have call successors, (11315) [2024-12-02 11:56:10,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43572 states to 43572 states and 63006 transitions. [2024-12-02 11:56:10,577 INFO L78 Accepts]: Start accepts. Automaton has 43572 states and 63006 transitions. Word has length 469 [2024-12-02 11:56:10,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:56:10,577 INFO L471 AbstractCegarLoop]: Abstraction has 43572 states and 63006 transitions. [2024-12-02 11:56:10,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (43), 2 states have call predecessors, (43), 1 states have call successors, (43) [2024-12-02 11:56:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 43572 states and 63006 transitions. [2024-12-02 11:56:10,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-12-02 11:56:10,588 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:56:10,588 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:56:10,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:56:10,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 11:56:10,789 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:56:10,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:56:10,789 INFO L85 PathProgramCache]: Analyzing trace with hash -876289320, now seen corresponding path program 1 times [2024-12-02 11:56:10,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:56:10,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614179879] [2024-12-02 11:56:10,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:56:10,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:56:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:56:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2024-12-02 11:56:15,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:56:15,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614179879] [2024-12-02 11:56:15,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614179879] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:56:15,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:56:15,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:56:15,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871636553] [2024-12-02 11:56:15,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:56:15,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:56:15,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:56:15,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:56:15,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:56:15,065 INFO L87 Difference]: Start difference. First operand 43572 states and 63006 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 11:56:19,147 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 [] [2024-12-02 11:56:21,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:56:21,043 INFO L93 Difference]: Finished difference Result 89929 states and 130032 transitions. [2024-12-02 11:56:21,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:56:21,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 469 [2024-12-02 11:56:21,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:56:21,250 INFO L225 Difference]: With dead ends: 89929 [2024-12-02 11:56:21,250 INFO L226 Difference]: Without dead ends: 46370 [2024-12-02 11:56:21,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:56:21,379 INFO L435 NwaCegarLoop]: 4905 mSDtfsCounter, 1831 mSDsluCounter, 3016 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 7921 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 11:56:21,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 7921 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 11:56:21,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46370 states. [2024-12-02 11:56:22,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46370 to 46364. [2024-12-02 11:56:22,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46364 states, 32200 states have (on average 1.335807453416149) internal successors, (43013), 33022 states have internal predecessors, (43013), 11987 states have call successors, (11987), 2180 states have call predecessors, (11987), 2176 states have return successors, (12010), 11674 states have call predecessors, (12010), 11987 states have call successors, (12010) [2024-12-02 11:56:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46364 states to 46364 states and 67010 transitions. [2024-12-02 11:56:23,055 INFO L78 Accepts]: Start accepts. Automaton has 46364 states and 67010 transitions. Word has length 469 [2024-12-02 11:56:23,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:56:23,056 INFO L471 AbstractCegarLoop]: Abstraction has 46364 states and 67010 transitions. [2024-12-02 11:56:23,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 11:56:23,056 INFO L276 IsEmpty]: Start isEmpty. Operand 46364 states and 67010 transitions. [2024-12-02 11:56:23,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2024-12-02 11:56:23,067 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:56:23,067 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:56:23,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 11:56:23,067 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:56:23,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:56:23,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1138739549, now seen corresponding path program 1 times [2024-12-02 11:56:23,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:56:23,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425722393] [2024-12-02 11:56:23,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:56:23,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:56:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:56:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2024-12-02 11:56:27,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:56:27,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425722393] [2024-12-02 11:56:27,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425722393] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:56:27,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:56:27,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:56:27,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943815802] [2024-12-02 11:56:27,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:56:27,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:56:27,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:56:27,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:56:27,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:56:27,379 INFO L87 Difference]: Start difference. First operand 46364 states and 67010 transitions. Second operand has 5 states, 5 states have (on average 40.0) internal successors, (200), 4 states have internal predecessors, (200), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 11:56:31,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:56:33,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:56:33,643 INFO L93 Difference]: Finished difference Result 96785 states and 139892 transitions. [2024-12-02 11:56:33,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:56:33,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 4 states have internal predecessors, (200), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 488 [2024-12-02 11:56:33,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:56:33,913 INFO L225 Difference]: With dead ends: 96785 [2024-12-02 11:56:33,913 INFO L226 Difference]: Without dead ends: 50434 [2024-12-02 11:56:34,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:56:34,221 INFO L435 NwaCegarLoop]: 4378 mSDtfsCounter, 1983 mSDsluCounter, 11756 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1983 SdHoareTripleChecker+Valid, 16134 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:56:34,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1983 Valid, 16134 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 11:56:34,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50434 states. [2024-12-02 11:56:35,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50434 to 47644. [2024-12-02 11:56:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47644 states, 33088 states have (on average 1.3368290618955512) internal successors, (44233), 33926 states have internal predecessors, (44233), 12313 states have call successors, (12313), 2242 states have call predecessors, (12313), 2242 states have return successors, (12340), 11998 states have call predecessors, (12340), 12313 states have call successors, (12340) [2024-12-02 11:56:35,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47644 states to 47644 states and 68886 transitions. [2024-12-02 11:56:35,861 INFO L78 Accepts]: Start accepts. Automaton has 47644 states and 68886 transitions. Word has length 488 [2024-12-02 11:56:35,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:56:35,862 INFO L471 AbstractCegarLoop]: Abstraction has 47644 states and 68886 transitions. [2024-12-02 11:56:35,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 4 states have internal predecessors, (200), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 11:56:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 47644 states and 68886 transitions. [2024-12-02 11:56:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2024-12-02 11:56:35,873 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:56:35,873 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:56:35,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 11:56:35,874 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:56:35,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:56:35,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1304287257, now seen corresponding path program 1 times [2024-12-02 11:56:35,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:56:35,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017261243] [2024-12-02 11:56:35,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:56:35,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:56:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:56:40,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-12-02 11:56:40,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:56:40,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017261243] [2024-12-02 11:56:40,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017261243] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:56:40,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:56:40,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:56:40,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123422019] [2024-12-02 11:56:40,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:56:40,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:56:40,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:56:40,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:56:40,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:56:40,479 INFO L87 Difference]: Start difference. First operand 47644 states and 68886 transitions. Second operand has 5 states, 5 states have (on average 39.8) internal successors, (199), 4 states have internal predecessors, (199), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 11:56:44,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:56:47,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:56:47,570 INFO L93 Difference]: Finished difference Result 98133 states and 141852 transitions. [2024-12-02 11:56:47,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:56:47,571 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.8) internal successors, (199), 4 states have internal predecessors, (199), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 488 [2024-12-02 11:56:47,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:56:47,906 INFO L225 Difference]: With dead ends: 98133 [2024-12-02 11:56:47,906 INFO L226 Difference]: Without dead ends: 50502 [2024-12-02 11:56:48,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:56:48,120 INFO L435 NwaCegarLoop]: 4905 mSDtfsCounter, 1832 mSDsluCounter, 12816 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1832 SdHoareTripleChecker+Valid, 17721 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:56:48,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1832 Valid, 17721 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 11:56:48,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50502 states. [2024-12-02 11:56:50,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50502 to 47692. [2024-12-02 11:56:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47692 states, 33120 states have (on average 1.3365036231884058) internal successors, (44265), 33958 states have internal predecessors, (44265), 12317 states have call successors, (12317), 2250 states have call predecessors, (12317), 2254 states have return successors, (12348), 12006 states have call predecessors, (12348), 12317 states have call successors, (12348) [2024-12-02 11:56:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47692 states to 47692 states and 68930 transitions. [2024-12-02 11:56:50,416 INFO L78 Accepts]: Start accepts. Automaton has 47692 states and 68930 transitions. Word has length 488 [2024-12-02 11:56:50,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:56:50,416 INFO L471 AbstractCegarLoop]: Abstraction has 47692 states and 68930 transitions. [2024-12-02 11:56:50,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.8) internal successors, (199), 4 states have internal predecessors, (199), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 11:56:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 47692 states and 68930 transitions. [2024-12-02 11:56:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2024-12-02 11:56:50,428 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:56:50,428 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:56:50,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 11:56:50,428 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:56:50,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:56:50,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2059032224, now seen corresponding path program 1 times [2024-12-02 11:56:50,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:56:50,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037607180] [2024-12-02 11:56:50,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:56:50,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:56:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:56:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 134 proven. 28 refuted. 0 times theorem prover too weak. 1086 trivial. 0 not checked. [2024-12-02 11:56:55,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:56:55,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037607180] [2024-12-02 11:56:55,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037607180] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:56:55,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138463584] [2024-12-02 11:56:55,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:56:55,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:56:55,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:56:55,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:56:55,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:57:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:57:01,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 4375 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:57:01,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:57:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2024-12-02 11:57:11,417 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:57:11,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138463584] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:57:11,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:57:11,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 11:57:11,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840712800] [2024-12-02 11:57:11,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:57:11,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:57:11,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:57:11,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:57:11,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:57:11,420 INFO L87 Difference]: Start difference. First operand 47692 states and 68930 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-12-02 11:57:12,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:57:12,652 INFO L93 Difference]: Finished difference Result 95371 states and 138407 transitions. [2024-12-02 11:57:12,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:57:12,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 490 [2024-12-02 11:57:12,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:57:12,918 INFO L225 Difference]: With dead ends: 95371 [2024-12-02 11:57:12,918 INFO L226 Difference]: Without dead ends: 47692 [2024-12-02 11:57:13,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:57:13,089 INFO L435 NwaCegarLoop]: 3079 mSDtfsCounter, 2818 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2818 SdHoareTripleChecker+Valid, 3079 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:57:13,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2818 Valid, 3079 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:57:13,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47692 states. [2024-12-02 11:57:14,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47692 to 47692. [2024-12-02 11:57:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47692 states, 33120 states have (on average 1.3352657004830917) internal successors, (44224), 33958 states have internal predecessors, (44224), 12317 states have call successors, (12317), 2250 states have call predecessors, (12317), 2254 states have return successors, (12348), 12006 states have call predecessors, (12348), 12317 states have call successors, (12348) [2024-12-02 11:57:14,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47692 states to 47692 states and 68889 transitions. [2024-12-02 11:57:14,808 INFO L78 Accepts]: Start accepts. Automaton has 47692 states and 68889 transitions. Word has length 490 [2024-12-02 11:57:14,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:57:14,808 INFO L471 AbstractCegarLoop]: Abstraction has 47692 states and 68889 transitions. [2024-12-02 11:57:14,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-12-02 11:57:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 47692 states and 68889 transitions. [2024-12-02 11:57:14,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2024-12-02 11:57:14,820 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:57:14,821 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:57:14,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:57:15,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 11:57:15,021 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:57:15,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:57:15,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1572901126, now seen corresponding path program 1 times [2024-12-02 11:57:15,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:57:15,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744607412] [2024-12-02 11:57:15,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:57:15,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:57:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:57:20,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 127 proven. 26 refuted. 0 times theorem prover too weak. 1090 trivial. 0 not checked. [2024-12-02 11:57:20,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:57:20,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744607412] [2024-12-02 11:57:20,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744607412] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:57:20,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265019305] [2024-12-02 11:57:20,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:57:20,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:57:20,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:57:20,236 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:57:20,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:57:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:57:26,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 4375 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:57:26,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:57:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2024-12-02 11:57:36,230 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:57:36,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265019305] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:57:36,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:57:36,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 11:57:36,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008931606] [2024-12-02 11:57:36,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:57:36,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:57:36,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:57:36,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:57:36,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:57:36,233 INFO L87 Difference]: Start difference. First operand 47692 states and 68889 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-12-02 11:57:38,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:57:38,236 INFO L93 Difference]: Finished difference Result 95371 states and 138325 transitions. [2024-12-02 11:57:38,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:57:38,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 490 [2024-12-02 11:57:38,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:57:38,581 INFO L225 Difference]: With dead ends: 95371 [2024-12-02 11:57:38,581 INFO L226 Difference]: Without dead ends: 47692 [2024-12-02 11:57:38,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:57:38,801 INFO L435 NwaCegarLoop]: 3078 mSDtfsCounter, 2816 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2816 SdHoareTripleChecker+Valid, 3078 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:57:38,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2816 Valid, 3078 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:57:38,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47692 states. [2024-12-02 11:57:41,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47692 to 47692. [2024-12-02 11:57:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47692 states, 33120 states have (on average 1.3340277777777778) internal successors, (44183), 33958 states have internal predecessors, (44183), 12317 states have call successors, (12317), 2250 states have call predecessors, (12317), 2254 states have return successors, (12348), 12006 states have call predecessors, (12348), 12317 states have call successors, (12348) [2024-12-02 11:57:41,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47692 states to 47692 states and 68848 transitions. [2024-12-02 11:57:41,775 INFO L78 Accepts]: Start accepts. Automaton has 47692 states and 68848 transitions. Word has length 490 [2024-12-02 11:57:41,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:57:41,776 INFO L471 AbstractCegarLoop]: Abstraction has 47692 states and 68848 transitions. [2024-12-02 11:57:41,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-12-02 11:57:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 47692 states and 68848 transitions. [2024-12-02 11:57:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-12-02 11:57:41,796 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:57:41,796 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:57:41,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 11:57:41,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:57:41,997 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:57:41,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:57:41,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1506577148, now seen corresponding path program 1 times [2024-12-02 11:57:41,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:57:41,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537763160] [2024-12-02 11:57:41,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:57:41,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:57:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:57:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 134 proven. 28 refuted. 0 times theorem prover too weak. 1086 trivial. 0 not checked. [2024-12-02 11:57:47,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:57:47,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537763160] [2024-12-02 11:57:47,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537763160] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:57:47,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409920658] [2024-12-02 11:57:47,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:57:47,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:57:47,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:57:47,237 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:57:47,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:57:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:57:53,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 4377 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:57:53,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:58:03,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2024-12-02 11:58:03,171 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:58:03,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409920658] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:03,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:58:03,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 11:58:03,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604980932] [2024-12-02 11:58:03,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:03,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:58:03,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:58:03,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:58:03,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:58:03,173 INFO L87 Difference]: Start difference. First operand 47692 states and 68848 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-12-02 11:58:04,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:04,723 INFO L93 Difference]: Finished difference Result 95371 states and 138243 transitions. [2024-12-02 11:58:04,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:58:04,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 492 [2024-12-02 11:58:04,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:04,993 INFO L225 Difference]: With dead ends: 95371 [2024-12-02 11:58:04,993 INFO L226 Difference]: Without dead ends: 47692 [2024-12-02 11:58:05,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:58:05,152 INFO L435 NwaCegarLoop]: 3077 mSDtfsCounter, 2814 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2814 SdHoareTripleChecker+Valid, 3077 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:58:05,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 3077 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:58:05,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47692 states. [2024-12-02 11:58:06,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47692 to 47692. [2024-12-02 11:58:07,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47692 states, 33120 states have (on average 1.3327898550724637) internal successors, (44142), 33958 states have internal predecessors, (44142), 12317 states have call successors, (12317), 2250 states have call predecessors, (12317), 2254 states have return successors, (12348), 12006 states have call predecessors, (12348), 12317 states have call successors, (12348) [2024-12-02 11:58:07,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47692 states to 47692 states and 68807 transitions. [2024-12-02 11:58:07,293 INFO L78 Accepts]: Start accepts. Automaton has 47692 states and 68807 transitions. Word has length 492 [2024-12-02 11:58:07,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:58:07,294 INFO L471 AbstractCegarLoop]: Abstraction has 47692 states and 68807 transitions. [2024-12-02 11:58:07,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-12-02 11:58:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 47692 states and 68807 transitions. [2024-12-02 11:58:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-12-02 11:58:07,306 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:07,306 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:07,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 11:58:07,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:58:07,507 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:07,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:07,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1898363818, now seen corresponding path program 1 times [2024-12-02 11:58:07,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:58:07,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698016183] [2024-12-02 11:58:07,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:07,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:58:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 127 proven. 26 refuted. 0 times theorem prover too weak. 1090 trivial. 0 not checked. [2024-12-02 11:58:13,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:58:13,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698016183] [2024-12-02 11:58:13,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698016183] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:58:13,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819173040] [2024-12-02 11:58:13,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:13,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:58:13,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:58:13,241 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:58:13,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 11:58:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:19,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 4377 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:58:19,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:58:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2024-12-02 11:58:29,589 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:58:29,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819173040] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:29,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:58:29,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 11:58:29,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069172066] [2024-12-02 11:58:29,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:29,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:58:29,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:58:29,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:58:29,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:58:29,591 INFO L87 Difference]: Start difference. First operand 47692 states and 68807 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-12-02 11:58:31,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:31,128 INFO L93 Difference]: Finished difference Result 95371 states and 138161 transitions. [2024-12-02 11:58:31,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:58:31,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 492 [2024-12-02 11:58:31,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:31,481 INFO L225 Difference]: With dead ends: 95371 [2024-12-02 11:58:31,481 INFO L226 Difference]: Without dead ends: 47692 [2024-12-02 11:58:31,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:58:31,605 INFO L435 NwaCegarLoop]: 3076 mSDtfsCounter, 2812 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2812 SdHoareTripleChecker+Valid, 3076 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:58:31,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2812 Valid, 3076 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:58:31,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47692 states. [2024-12-02 11:58:33,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47692 to 47692. [2024-12-02 11:58:33,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47692 states, 33120 states have (on average 1.3315519323671499) internal successors, (44101), 33958 states have internal predecessors, (44101), 12317 states have call successors, (12317), 2250 states have call predecessors, (12317), 2254 states have return successors, (12348), 12006 states have call predecessors, (12348), 12317 states have call successors, (12348) [2024-12-02 11:58:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47692 states to 47692 states and 68766 transitions. [2024-12-02 11:58:34,068 INFO L78 Accepts]: Start accepts. Automaton has 47692 states and 68766 transitions. Word has length 492 [2024-12-02 11:58:34,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:58:34,069 INFO L471 AbstractCegarLoop]: Abstraction has 47692 states and 68766 transitions. [2024-12-02 11:58:34,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-12-02 11:58:34,069 INFO L276 IsEmpty]: Start isEmpty. Operand 47692 states and 68766 transitions. [2024-12-02 11:58:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2024-12-02 11:58:34,081 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:58:34,081 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:58:34,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 11:58:34,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-02 11:58:34,282 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:58:34,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:58:34,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1912321880, now seen corresponding path program 1 times [2024-12-02 11:58:34,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:58:34,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812441982] [2024-12-02 11:58:34,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:34,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:58:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:39,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 134 proven. 28 refuted. 0 times theorem prover too weak. 1086 trivial. 0 not checked. [2024-12-02 11:58:39,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:58:39,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812441982] [2024-12-02 11:58:39,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812441982] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:58:39,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467740994] [2024-12-02 11:58:39,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:58:39,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:58:39,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:58:39,917 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:58:39,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 11:58:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:58:46,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 4379 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:58:46,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:58:56,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2024-12-02 11:58:56,142 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:58:56,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467740994] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:58:56,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:58:56,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 11:58:56,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700541205] [2024-12-02 11:58:56,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:58:56,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:58:56,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:58:56,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:58:56,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:58:56,144 INFO L87 Difference]: Start difference. First operand 47692 states and 68766 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-12-02 11:58:57,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:58:57,865 INFO L93 Difference]: Finished difference Result 95371 states and 138079 transitions. [2024-12-02 11:58:57,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:58:57,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 494 [2024-12-02 11:58:57,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:58:58,152 INFO L225 Difference]: With dead ends: 95371 [2024-12-02 11:58:58,152 INFO L226 Difference]: Without dead ends: 47692 [2024-12-02 11:58:58,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:58:58,460 INFO L435 NwaCegarLoop]: 3075 mSDtfsCounter, 2810 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2810 SdHoareTripleChecker+Valid, 3075 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:58:58,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2810 Valid, 3075 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:58:58,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47692 states. [2024-12-02 11:59:00,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47692 to 47692. [2024-12-02 11:59:00,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47692 states, 33120 states have (on average 1.3303140096618358) internal successors, (44060), 33958 states have internal predecessors, (44060), 12317 states have call successors, (12317), 2250 states have call predecessors, (12317), 2254 states have return successors, (12348), 12006 states have call predecessors, (12348), 12317 states have call successors, (12348) [2024-12-02 11:59:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47692 states to 47692 states and 68725 transitions. [2024-12-02 11:59:00,608 INFO L78 Accepts]: Start accepts. Automaton has 47692 states and 68725 transitions. Word has length 494 [2024-12-02 11:59:00,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:00,608 INFO L471 AbstractCegarLoop]: Abstraction has 47692 states and 68725 transitions. [2024-12-02 11:59:00,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-12-02 11:59:00,609 INFO L276 IsEmpty]: Start isEmpty. Operand 47692 states and 68725 transitions. [2024-12-02 11:59:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2024-12-02 11:59:00,620 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:00,620 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:00,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 11:59:00,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-02 11:59:00,821 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:00,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:00,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1898697138, now seen corresponding path program 1 times [2024-12-02 11:59:00,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:59:00,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634588263] [2024-12-02 11:59:00,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:00,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:59:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:05,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 127 proven. 26 refuted. 0 times theorem prover too weak. 1090 trivial. 0 not checked. [2024-12-02 11:59:05,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:59:05,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634588263] [2024-12-02 11:59:05,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634588263] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:59:05,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016728959] [2024-12-02 11:59:05,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:05,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:59:05,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:59:05,843 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:59:05,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 11:59:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:11,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 4379 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:59:11,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:12,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2024-12-02 11:59:12,089 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:12,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016728959] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:12,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:59:12,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-12-02 11:59:12,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815286076] [2024-12-02 11:59:12,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:12,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:59:12,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:59:12,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:59:12,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:59:12,091 INFO L87 Difference]: Start difference. First operand 47692 states and 68725 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-02 11:59:13,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:13,917 INFO L93 Difference]: Finished difference Result 95735 states and 137979 transitions. [2024-12-02 11:59:13,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:59:13,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 494 [2024-12-02 11:59:13,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:14,315 INFO L225 Difference]: With dead ends: 95735 [2024-12-02 11:59:14,315 INFO L226 Difference]: Without dead ends: 48056 [2024-12-02 11:59:14,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:59:14,433 INFO L435 NwaCegarLoop]: 3074 mSDtfsCounter, 14 mSDsluCounter, 3066 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 6140 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:14,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 6140 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:59:14,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48056 states. [2024-12-02 11:59:16,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48056 to 47718. [2024-12-02 11:59:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47718 states, 33146 states have (on average 1.3300549085862547) internal successors, (44086), 33984 states have internal predecessors, (44086), 12317 states have call successors, (12317), 2250 states have call predecessors, (12317), 2254 states have return successors, (12348), 12006 states have call predecessors, (12348), 12317 states have call successors, (12348) [2024-12-02 11:59:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47718 states to 47718 states and 68751 transitions. [2024-12-02 11:59:16,609 INFO L78 Accepts]: Start accepts. Automaton has 47718 states and 68751 transitions. Word has length 494 [2024-12-02 11:59:16,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:16,609 INFO L471 AbstractCegarLoop]: Abstraction has 47718 states and 68751 transitions. [2024-12-02 11:59:16,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-02 11:59:16,610 INFO L276 IsEmpty]: Start isEmpty. Operand 47718 states and 68751 transitions. [2024-12-02 11:59:16,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-12-02 11:59:16,622 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:16,622 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:16,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 11:59:16,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-12-02 11:59:16,823 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:16,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:16,823 INFO L85 PathProgramCache]: Analyzing trace with hash -2055857590, now seen corresponding path program 1 times [2024-12-02 11:59:16,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:59:16,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606516607] [2024-12-02 11:59:16,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:16,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:59:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 134 proven. 28 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2024-12-02 11:59:22,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:59:22,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606516607] [2024-12-02 11:59:22,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606516607] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:59:22,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441077757] [2024-12-02 11:59:22,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:22,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:59:22,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:59:22,343 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:59:22,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 11:59:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:28,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 4413 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:59:28,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:29,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2024-12-02 11:59:29,050 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:29,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441077757] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:29,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:59:29,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-12-02 11:59:29,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066077942] [2024-12-02 11:59:29,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:29,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:59:29,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:59:29,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:59:29,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:59:29,053 INFO L87 Difference]: Start difference. First operand 47718 states and 68751 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-12-02 11:59:30,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:30,865 INFO L93 Difference]: Finished difference Result 95449 states and 137537 transitions. [2024-12-02 11:59:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:59:30,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 501 [2024-12-02 11:59:30,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:31,138 INFO L225 Difference]: With dead ends: 95449 [2024-12-02 11:59:31,138 INFO L226 Difference]: Without dead ends: 47744 [2024-12-02 11:59:31,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 503 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:59:31,288 INFO L435 NwaCegarLoop]: 3075 mSDtfsCounter, 0 mSDsluCounter, 3068 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6143 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 [2024-12-02 11:59:31,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6143 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:59:31,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47744 states. [2024-12-02 11:59:33,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47744 to 47744. [2024-12-02 11:59:33,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47744 states, 33172 states have (on average 1.329796213674183) internal successors, (44112), 34010 states have internal predecessors, (44112), 12317 states have call successors, (12317), 2250 states have call predecessors, (12317), 2254 states have return successors, (12348), 12006 states have call predecessors, (12348), 12317 states have call successors, (12348) [2024-12-02 11:59:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47744 states to 47744 states and 68777 transitions. [2024-12-02 11:59:33,630 INFO L78 Accepts]: Start accepts. Automaton has 47744 states and 68777 transitions. Word has length 501 [2024-12-02 11:59:33,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:33,631 INFO L471 AbstractCegarLoop]: Abstraction has 47744 states and 68777 transitions. [2024-12-02 11:59:33,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-12-02 11:59:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 47744 states and 68777 transitions. [2024-12-02 11:59:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2024-12-02 11:59:33,645 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:33,645 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:33,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 11:59:33,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-12-02 11:59:33,845 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:33,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:33,846 INFO L85 PathProgramCache]: Analyzing trace with hash 269145807, now seen corresponding path program 1 times [2024-12-02 11:59:33,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:59:33,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408069822] [2024-12-02 11:59:33,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:33,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:59:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:38,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 134 proven. 28 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2024-12-02 11:59:38,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:59:38,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408069822] [2024-12-02 11:59:38,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408069822] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:59:38,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527255808] [2024-12-02 11:59:38,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:38,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:59:38,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:59:38,987 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:59:38,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 11:59:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:45,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 4418 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:59:45,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 388 proven. 0 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2024-12-02 11:59:46,775 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:46,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527255808] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:46,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:59:46,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-12-02 11:59:46,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302202429] [2024-12-02 11:59:46,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:46,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:59:46,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:59:46,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:59:46,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:59:46,778 INFO L87 Difference]: Start difference. First operand 47744 states and 68777 transitions. Second operand has 5 states, 5 states have (on average 42.2) internal successors, (211), 4 states have internal predecessors, (211), 3 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 11:59:50,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:59:54,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:59:54,346 INFO L93 Difference]: Finished difference Result 98321 states and 141643 transitions. [2024-12-02 11:59:54,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:59:54,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.2) internal successors, (211), 4 states have internal predecessors, (211), 3 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 503 [2024-12-02 11:59:54,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:59:54,672 INFO L225 Difference]: With dead ends: 98321 [2024-12-02 11:59:54,672 INFO L226 Difference]: Without dead ends: 50590 [2024-12-02 11:59:54,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 503 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:59:54,817 INFO L435 NwaCegarLoop]: 4492 mSDtfsCounter, 2832 mSDsluCounter, 11444 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 15936 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:59:54,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 15936 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 11:59:54,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50590 states. [2024-12-02 11:59:56,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50590 to 50576. [2024-12-02 11:59:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50576 states, 35169 states have (on average 1.3301202763797664) internal successors, (46779), 36056 states have internal predecessors, (46779), 13012 states have call successors, (13012), 2390 states have call predecessors, (13012), 2394 states have return successors, (13043), 12683 states have call predecessors, (13043), 13012 states have call successors, (13043) [2024-12-02 11:59:57,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50576 states to 50576 states and 72834 transitions. [2024-12-02 11:59:57,225 INFO L78 Accepts]: Start accepts. Automaton has 50576 states and 72834 transitions. Word has length 503 [2024-12-02 11:59:57,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:59:57,225 INFO L471 AbstractCegarLoop]: Abstraction has 50576 states and 72834 transitions. [2024-12-02 11:59:57,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.2) internal successors, (211), 4 states have internal predecessors, (211), 3 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 11:59:57,225 INFO L276 IsEmpty]: Start isEmpty. Operand 50576 states and 72834 transitions. [2024-12-02 11:59:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2024-12-02 11:59:57,238 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:59:57,238 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 16, 16, 16, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:57,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 11:59:57,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:59:57,439 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:59:57,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:57,440 INFO L85 PathProgramCache]: Analyzing trace with hash -2065644233, now seen corresponding path program 1 times [2024-12-02 11:59:57,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:59:57,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721980804] [2024-12-02 11:59:57,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:57,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1321 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 1222 trivial. 0 not checked. [2024-12-02 12:00:02,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:02,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721980804] [2024-12-02 12:00:02,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721980804] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:02,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:02,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:00:02,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423095906] [2024-12-02 12:00:02,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:02,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:00:02,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:02,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:00:02,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:02,579 INFO L87 Difference]: Start difference. First operand 50576 states and 72834 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 12:00:06,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:00:09,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:09,391 INFO L93 Difference]: Finished difference Result 106564 states and 153651 transitions. [2024-12-02 12:00:09,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:00:09,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 518 [2024-12-02 12:00:09,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:09,738 INFO L225 Difference]: With dead ends: 106564 [2024-12-02 12:00:09,738 INFO L226 Difference]: Without dead ends: 56001 [2024-12-02 12:00:09,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:09,909 INFO L435 NwaCegarLoop]: 4594 mSDtfsCounter, 2279 mSDsluCounter, 3013 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 7607 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:09,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 7607 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 12:00:09,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56001 states. [2024-12-02 12:00:12,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56001 to 55995. [2024-12-02 12:00:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55995 states, 38798 states have (on average 1.330532501675344) internal successors, (51622), 39793 states have internal predecessors, (51622), 14575 states have call successors, (14575), 2619 states have call predecessors, (14575), 2621 states have return successors, (14608), 14200 states have call predecessors, (14608), 14575 states have call successors, (14608) [2024-12-02 12:00:12,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55995 states to 55995 states and 80805 transitions. [2024-12-02 12:00:13,108 INFO L78 Accepts]: Start accepts. Automaton has 55995 states and 80805 transitions. Word has length 518 [2024-12-02 12:00:13,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:13,108 INFO L471 AbstractCegarLoop]: Abstraction has 55995 states and 80805 transitions. [2024-12-02 12:00:13,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 12:00:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 55995 states and 80805 transitions. [2024-12-02 12:00:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2024-12-02 12:00:13,123 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:13,123 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 16, 16, 16, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:00:13,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 12:00:13,124 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:00:13,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:13,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1878611282, now seen corresponding path program 1 times [2024-12-02 12:00:13,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:13,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673795480] [2024-12-02 12:00:13,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:13,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-12-02 12:00:17,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:17,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673795480] [2024-12-02 12:00:17,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673795480] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:17,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:17,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:00:17,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847846927] [2024-12-02 12:00:17,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:17,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:00:17,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:17,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:00:17,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:17,818 INFO L87 Difference]: Start difference. First operand 55995 states and 80805 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 12:00:20,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:20,767 INFO L93 Difference]: Finished difference Result 111977 states and 161593 transitions. [2024-12-02 12:00:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:00:20,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 519 [2024-12-02 12:00:20,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:21,097 INFO L225 Difference]: With dead ends: 111977 [2024-12-02 12:00:21,098 INFO L226 Difference]: Without dead ends: 55995 [2024-12-02 12:00:21,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:21,267 INFO L435 NwaCegarLoop]: 3041 mSDtfsCounter, 104 mSDsluCounter, 2938 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 5979 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:21,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 5979 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:00:21,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55995 states. [2024-12-02 12:00:23,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55995 to 55995. [2024-12-02 12:00:23,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55995 states, 38798 states have (on average 1.325119851538739) internal successors, (51412), 39793 states have internal predecessors, (51412), 14575 states have call successors, (14575), 2619 states have call predecessors, (14575), 2621 states have return successors, (14608), 14200 states have call predecessors, (14608), 14575 states have call successors, (14608) [2024-12-02 12:00:23,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55995 states to 55995 states and 80595 transitions. [2024-12-02 12:00:23,844 INFO L78 Accepts]: Start accepts. Automaton has 55995 states and 80595 transitions. Word has length 519 [2024-12-02 12:00:23,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:23,844 INFO L471 AbstractCegarLoop]: Abstraction has 55995 states and 80595 transitions. [2024-12-02 12:00:23,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 12:00:23,844 INFO L276 IsEmpty]: Start isEmpty. Operand 55995 states and 80595 transitions. [2024-12-02 12:00:23,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2024-12-02 12:00:23,860 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:23,860 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 16, 16, 16, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:00:23,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 12:00:23,860 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:00:23,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:23,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1049062992, now seen corresponding path program 1 times [2024-12-02 12:00:23,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:23,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567953483] [2024-12-02 12:00:23,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:23,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2024-12-02 12:00:28,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:28,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567953483] [2024-12-02 12:00:28,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567953483] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:28,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:28,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:00:28,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392003882] [2024-12-02 12:00:28,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:28,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:00:28,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:28,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:00:28,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:28,447 INFO L87 Difference]: Start difference. First operand 55995 states and 80595 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 12:00:32,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:32,202 INFO L93 Difference]: Finished difference Result 114767 states and 165493 transitions. [2024-12-02 12:00:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:00:32,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 520 [2024-12-02 12:00:32,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:32,691 INFO L225 Difference]: With dead ends: 114767 [2024-12-02 12:00:32,691 INFO L226 Difference]: Without dead ends: 58785 [2024-12-02 12:00:32,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:32,962 INFO L435 NwaCegarLoop]: 3129 mSDtfsCounter, 94 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 6173 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:32,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 6173 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:00:33,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58785 states. [2024-12-02 12:00:35,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58785 to 58755. [2024-12-02 12:00:35,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58755 states, 40958 states have (on average 1.327750378436447) internal successors, (54382), 42103 states have internal predecessors, (54382), 15175 states have call successors, (15175), 2619 states have call predecessors, (15175), 2621 states have return successors, (15208), 14800 states have call predecessors, (15208), 15175 states have call successors, (15208) [2024-12-02 12:00:35,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58755 states to 58755 states and 84765 transitions. [2024-12-02 12:00:36,138 INFO L78 Accepts]: Start accepts. Automaton has 58755 states and 84765 transitions. Word has length 520 [2024-12-02 12:00:36,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:36,139 INFO L471 AbstractCegarLoop]: Abstraction has 58755 states and 84765 transitions. [2024-12-02 12:00:36,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 12:00:36,139 INFO L276 IsEmpty]: Start isEmpty. Operand 58755 states and 84765 transitions. [2024-12-02 12:00:36,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2024-12-02 12:00:36,156 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:36,156 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 16, 16, 16, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:00:36,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 12:00:36,156 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:00:36,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:36,157 INFO L85 PathProgramCache]: Analyzing trace with hash -909107855, now seen corresponding path program 1 times [2024-12-02 12:00:36,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:36,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054792528] [2024-12-02 12:00:36,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:36,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 32 proven. 18 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2024-12-02 12:00:50,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:50,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054792528] [2024-12-02 12:00:50,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054792528] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:00:50,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691582425] [2024-12-02 12:00:50,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:50,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:00:50,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:00:50,434 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:00:50,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 12:00:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:56,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 4456 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 12:00:56,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:00:58,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 188 proven. 3 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2024-12-02 12:00:58,462 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:01:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 71 proven. 6 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2024-12-02 12:01:03,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691582425] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:01:03,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:01:03,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-12-02 12:01:03,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427224974] [2024-12-02 12:01:03,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:01:03,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 12:01:03,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:03,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 12:01:03,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-12-02 12:01:03,074 INFO L87 Difference]: Start difference. First operand 58755 states and 84765 transitions. Second operand has 15 states, 15 states have (on average 22.066666666666666) internal successors, (331), 15 states have internal predecessors, (331), 7 states have call successors, (85), 2 states have call predecessors, (85), 3 states have return successors, (85), 7 states have call predecessors, (85), 7 states have call successors, (85) [2024-12-02 12:01:07,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:11,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:15,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:01:19,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:15,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:15,988 INFO L93 Difference]: Finished difference Result 114974 states and 165658 transitions. [2024-12-02 12:02:15,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 12:02:15,988 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 22.066666666666666) internal successors, (331), 15 states have internal predecessors, (331), 7 states have call successors, (85), 2 states have call predecessors, (85), 3 states have return successors, (85), 7 states have call predecessors, (85), 7 states have call successors, (85) Word has length 521 [2024-12-02 12:02:15,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:16,339 INFO L225 Difference]: With dead ends: 114974 [2024-12-02 12:02:16,339 INFO L226 Difference]: Without dead ends: 56232 [2024-12-02 12:02:16,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1067 GetRequests, 1038 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=122, Invalid=808, Unknown=0, NotChecked=0, Total=930 [2024-12-02 12:02:16,520 INFO L435 NwaCegarLoop]: 3112 mSDtfsCounter, 3714 mSDsluCounter, 27606 mSDsCounter, 0 mSdLazyCounter, 4325 mSolverCounterSat, 2301 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3717 SdHoareTripleChecker+Valid, 30718 SdHoareTripleChecker+Invalid, 6630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2301 IncrementalHoareTripleChecker+Valid, 4325 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:16,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3717 Valid, 30718 Invalid, 6630 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2301 Valid, 4325 Invalid, 4 Unknown, 0 Unchecked, 65.1s Time] [2024-12-02 12:02:16,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56232 states. [2024-12-02 12:02:19,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56232 to 56149. [2024-12-02 12:02:19,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56149 states, 39303 states have (on average 1.326921609037478) internal successors, (52152), 40389 states have internal predecessors, (52152), 14307 states have call successors, (14307), 2534 states have call predecessors, (14307), 2538 states have return successors, (14334), 13960 states have call predecessors, (14334), 14307 states have call successors, (14334) [2024-12-02 12:02:19,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56149 states to 56149 states and 80793 transitions. [2024-12-02 12:02:20,080 INFO L78 Accepts]: Start accepts. Automaton has 56149 states and 80793 transitions. Word has length 521 [2024-12-02 12:02:20,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:20,080 INFO L471 AbstractCegarLoop]: Abstraction has 56149 states and 80793 transitions. [2024-12-02 12:02:20,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 22.066666666666666) internal successors, (331), 15 states have internal predecessors, (331), 7 states have call successors, (85), 2 states have call predecessors, (85), 3 states have return successors, (85), 7 states have call predecessors, (85), 7 states have call successors, (85) [2024-12-02 12:02:20,081 INFO L276 IsEmpty]: Start isEmpty. Operand 56149 states and 80793 transitions. [2024-12-02 12:02:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2024-12-02 12:02:20,095 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:20,095 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 18, 18, 15, 15, 15, 11, 11, 11, 11, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:02:20,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-12-02 12:02:20,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-12-02 12:02:20,296 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:20,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:20,296 INFO L85 PathProgramCache]: Analyzing trace with hash -397714745, now seen corresponding path program 1 times [2024-12-02 12:02:20,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:20,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006293052] [2024-12-02 12:02:20,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:20,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4837 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4837 trivial. 0 not checked. [2024-12-02 12:02:26,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:26,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006293052] [2024-12-02 12:02:26,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006293052] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:26,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:26,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:02:26,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506651027] [2024-12-02 12:02:26,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:26,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:02:26,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:26,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:02:26,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:26,039 INFO L87 Difference]: Start difference. First operand 56149 states and 80793 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2024-12-02 12:02:29,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:29,722 INFO L93 Difference]: Finished difference Result 112298 states and 161735 transitions. [2024-12-02 12:02:29,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:29,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) Word has length 917 [2024-12-02 12:02:29,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:30,102 INFO L225 Difference]: With dead ends: 112298 [2024-12-02 12:02:30,102 INFO L226 Difference]: Without dead ends: 56183 [2024-12-02 12:02:30,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:30,283 INFO L435 NwaCegarLoop]: 3063 mSDtfsCounter, 0 mSDsluCounter, 3059 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6122 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:30,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6122 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:02:30,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56183 states. [2024-12-02 12:02:33,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56183 to 56183. [2024-12-02 12:02:33,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56183 states, 39337 states have (on average 1.326639042123192) internal successors, (52186), 40423 states have internal predecessors, (52186), 14307 states have call successors, (14307), 2534 states have call predecessors, (14307), 2538 states have return successors, (14334), 13960 states have call predecessors, (14334), 14307 states have call successors, (14334) [2024-12-02 12:02:33,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56183 states to 56183 states and 80827 transitions. [2024-12-02 12:02:34,004 INFO L78 Accepts]: Start accepts. Automaton has 56183 states and 80827 transitions. Word has length 917 [2024-12-02 12:02:34,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:34,005 INFO L471 AbstractCegarLoop]: Abstraction has 56183 states and 80827 transitions. [2024-12-02 12:02:34,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2024-12-02 12:02:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 56183 states and 80827 transitions. [2024-12-02 12:02:34,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 919 [2024-12-02 12:02:34,020 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:34,020 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 18, 18, 15, 15, 15, 11, 11, 11, 11, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:02:34,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 12:02:34,021 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:34,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:34,021 INFO L85 PathProgramCache]: Analyzing trace with hash 744213786, now seen corresponding path program 1 times [2024-12-02 12:02:34,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:34,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261367450] [2024-12-02 12:02:34,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:34,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:38,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4837 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4837 trivial. 0 not checked. [2024-12-02 12:02:38,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:38,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261367450] [2024-12-02 12:02:38,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261367450] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:38,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:38,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:02:38,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606210782] [2024-12-02 12:02:38,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:38,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:02:38,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:38,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:02:38,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:38,869 INFO L87 Difference]: Start difference. First operand 56183 states and 80827 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2024-12-02 12:02:41,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:41,987 INFO L93 Difference]: Finished difference Result 112404 states and 161773 transitions. [2024-12-02 12:02:41,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:41,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) Word has length 918 [2024-12-02 12:02:41,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:42,548 INFO L225 Difference]: With dead ends: 112404 [2024-12-02 12:02:42,548 INFO L226 Difference]: Without dead ends: 56255 [2024-12-02 12:02:42,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:42,683 INFO L435 NwaCegarLoop]: 3062 mSDtfsCounter, 9 mSDsluCounter, 3059 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6121 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:42,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 6121 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:02:42,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56255 states. [2024-12-02 12:02:46,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56255 to 56191. [2024-12-02 12:02:46,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56191 states, 39345 states have (on average 1.3265726267632483) internal successors, (52194), 40431 states have internal predecessors, (52194), 14307 states have call successors, (14307), 2534 states have call predecessors, (14307), 2538 states have return successors, (14334), 13960 states have call predecessors, (14334), 14307 states have call successors, (14334) [2024-12-02 12:02:46,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56191 states to 56191 states and 80835 transitions. [2024-12-02 12:02:46,591 INFO L78 Accepts]: Start accepts. Automaton has 56191 states and 80835 transitions. Word has length 918 [2024-12-02 12:02:46,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:46,592 INFO L471 AbstractCegarLoop]: Abstraction has 56191 states and 80835 transitions. [2024-12-02 12:02:46,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2024-12-02 12:02:46,592 INFO L276 IsEmpty]: Start isEmpty. Operand 56191 states and 80835 transitions. [2024-12-02 12:02:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2024-12-02 12:02:46,607 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:46,608 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 18, 18, 15, 15, 15, 11, 11, 11, 11, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:02:46,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 12:02:46,608 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:46,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:46,609 INFO L85 PathProgramCache]: Analyzing trace with hash 661848100, now seen corresponding path program 1 times [2024-12-02 12:02:46,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:46,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169786453] [2024-12-02 12:02:46,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:46,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:51,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4858 trivial. 0 not checked. [2024-12-02 12:02:51,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:51,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169786453] [2024-12-02 12:02:51,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169786453] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:51,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:51,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:02:51,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672779840] [2024-12-02 12:02:51,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:51,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:02:51,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:51,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:02:51,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:51,880 INFO L87 Difference]: Start difference. First operand 56191 states and 80835 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2024-12-02 12:02:55,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:55,284 INFO L93 Difference]: Finished difference Result 112356 states and 161677 transitions. [2024-12-02 12:02:55,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:55,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) Word has length 920 [2024-12-02 12:02:55,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:55,638 INFO L225 Difference]: With dead ends: 112356 [2024-12-02 12:02:55,639 INFO L226 Difference]: Without dead ends: 56199 [2024-12-02 12:02:55,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:55,788 INFO L435 NwaCegarLoop]: 3063 mSDtfsCounter, 0 mSDsluCounter, 3057 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6120 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:55,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6120 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:02:55,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56199 states. [2024-12-02 12:02:59,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56199 to 56199. [2024-12-02 12:02:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56199 states, 39353 states have (on average 1.3265062384062207) internal successors, (52202), 40439 states have internal predecessors, (52202), 14307 states have call successors, (14307), 2534 states have call predecessors, (14307), 2538 states have return successors, (14334), 13960 states have call predecessors, (14334), 14307 states have call successors, (14334) [2024-12-02 12:02:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56199 states to 56199 states and 80843 transitions. [2024-12-02 12:02:59,543 INFO L78 Accepts]: Start accepts. Automaton has 56199 states and 80843 transitions. Word has length 920 [2024-12-02 12:02:59,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:59,544 INFO L471 AbstractCegarLoop]: Abstraction has 56199 states and 80843 transitions. [2024-12-02 12:02:59,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2024-12-02 12:02:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 56199 states and 80843 transitions. [2024-12-02 12:02:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2024-12-02 12:02:59,560 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:59,561 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 18, 18, 15, 15, 15, 11, 11, 11, 11, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:02:59,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 12:02:59,561 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:59,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:59,562 INFO L85 PathProgramCache]: Analyzing trace with hash 188612450, now seen corresponding path program 1 times [2024-12-02 12:02:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:59,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910969756] [2024-12-02 12:02:59,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:59,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:04,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4858 trivial. 0 not checked. [2024-12-02 12:03:04,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:04,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910969756] [2024-12-02 12:03:04,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910969756] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:04,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:04,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:03:04,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418664056] [2024-12-02 12:03:04,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:04,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:03:04,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:04,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:03:04,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:04,293 INFO L87 Difference]: Start difference. First operand 56199 states and 80843 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2024-12-02 12:03:07,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:07,658 INFO L93 Difference]: Finished difference Result 112420 states and 161765 transitions. [2024-12-02 12:03:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:03:07,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) Word has length 920 [2024-12-02 12:03:07,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:08,038 INFO L225 Difference]: With dead ends: 112420 [2024-12-02 12:03:08,038 INFO L226 Difference]: Without dead ends: 56255 [2024-12-02 12:03:08,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:08,198 INFO L435 NwaCegarLoop]: 3059 mSDtfsCounter, 3 mSDsluCounter, 3054 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6113 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:08,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6113 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:03:08,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56255 states. [2024-12-02 12:03:11,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56255 to 56215. [2024-12-02 12:03:11,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56215 states, 39369 states have (on average 1.3263735426350682) internal successors, (52218), 40455 states have internal predecessors, (52218), 14307 states have call successors, (14307), 2534 states have call predecessors, (14307), 2538 states have return successors, (14334), 13960 states have call predecessors, (14334), 14307 states have call successors, (14334) [2024-12-02 12:03:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56215 states to 56215 states and 80859 transitions. [2024-12-02 12:03:12,423 INFO L78 Accepts]: Start accepts. Automaton has 56215 states and 80859 transitions. Word has length 920 [2024-12-02 12:03:12,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:12,424 INFO L471 AbstractCegarLoop]: Abstraction has 56215 states and 80859 transitions. [2024-12-02 12:03:12,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2024-12-02 12:03:12,424 INFO L276 IsEmpty]: Start isEmpty. Operand 56215 states and 80859 transitions. [2024-12-02 12:03:12,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2024-12-02 12:03:12,453 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:12,453 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 18, 18, 15, 15, 15, 13, 13, 11, 11, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:03:12,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 12:03:12,453 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:12,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:12,454 INFO L85 PathProgramCache]: Analyzing trace with hash 216506203, now seen corresponding path program 1 times [2024-12-02 12:03:12,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:12,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658603855] [2024-12-02 12:03:12,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:12,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4929 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4928 trivial. 0 not checked. [2024-12-02 12:03:17,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:17,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658603855] [2024-12-02 12:03:17,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658603855] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:03:17,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847396273] [2024-12-02 12:03:17,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:17,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:03:17,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:03:17,952 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:03:17,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 12:03:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:25,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 5793 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:03:25,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:03:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4929 backedges. 986 proven. 0 refuted. 0 times theorem prover too weak. 3943 trivial. 0 not checked. [2024-12-02 12:03:25,138 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:03:25,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847396273] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:25,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:03:25,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 12:03:25,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338508364] [2024-12-02 12:03:25,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:25,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:03:25,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:25,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:03:25,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:03:25,141 INFO L87 Difference]: Start difference. First operand 56215 states and 80859 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 2 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2024-12-02 12:03:28,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:28,269 INFO L93 Difference]: Finished difference Result 112404 states and 161725 transitions. [2024-12-02 12:03:28,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:03:28,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 2 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) Word has length 933 [2024-12-02 12:03:28,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:28,685 INFO L225 Difference]: With dead ends: 112404 [2024-12-02 12:03:28,685 INFO L226 Difference]: Without dead ends: 56223 [2024-12-02 12:03:28,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 936 GetRequests, 933 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:03:28,871 INFO L435 NwaCegarLoop]: 3063 mSDtfsCounter, 0 mSDsluCounter, 3059 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6122 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:28,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6122 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:03:28,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56223 states. [2024-12-02 12:03:32,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56223 to 56223. [2024-12-02 12:03:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56223 states, 39377 states have (on average 1.326307235188054) internal successors, (52226), 40463 states have internal predecessors, (52226), 14307 states have call successors, (14307), 2534 states have call predecessors, (14307), 2538 states have return successors, (14334), 13960 states have call predecessors, (14334), 14307 states have call successors, (14334) [2024-12-02 12:03:32,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56223 states to 56223 states and 80867 transitions. [2024-12-02 12:03:32,651 INFO L78 Accepts]: Start accepts. Automaton has 56223 states and 80867 transitions. Word has length 933 [2024-12-02 12:03:32,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:32,652 INFO L471 AbstractCegarLoop]: Abstraction has 56223 states and 80867 transitions. [2024-12-02 12:03:32,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 2 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2024-12-02 12:03:32,652 INFO L276 IsEmpty]: Start isEmpty. Operand 56223 states and 80867 transitions. [2024-12-02 12:03:32,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2024-12-02 12:03:32,666 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:32,666 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 18, 18, 15, 15, 15, 13, 13, 11, 11, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:03:32,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-12-02 12:03:32,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:03:32,867 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:32,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:32,868 INFO L85 PathProgramCache]: Analyzing trace with hash 2114002969, now seen corresponding path program 1 times [2024-12-02 12:03:32,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:32,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130366580] [2024-12-02 12:03:32,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:32,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:37,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4929 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4928 trivial. 0 not checked. [2024-12-02 12:03:37,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:37,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130366580] [2024-12-02 12:03:37,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130366580] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:03:37,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147685404] [2024-12-02 12:03:37,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:37,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:03:37,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:03:37,590 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:03:37,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 12:03:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:45,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 5796 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:03:45,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:03:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4929 backedges. 1539 proven. 1 refuted. 0 times theorem prover too weak. 3389 trivial. 0 not checked. [2024-12-02 12:03:46,026 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:03:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4929 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4928 trivial. 0 not checked. [2024-12-02 12:03:58,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147685404] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:03:58,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:03:58,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 12:03:58,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340098767] [2024-12-02 12:03:58,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:03:58,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:03:58,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:58,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:03:58,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:03:58,091 INFO L87 Difference]: Start difference. First operand 56223 states and 80867 transitions. Second operand has 7 states, 7 states have (on average 44.714285714285715) internal successors, (313), 7 states have internal predecessors, (313), 5 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (159), 5 states have call predecessors, (159), 5 states have call successors, (159) [2024-12-02 12:04:02,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:02,191 INFO L93 Difference]: Finished difference Result 112596 states and 162013 transitions. [2024-12-02 12:04:02,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:04:02,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 44.714285714285715) internal successors, (313), 7 states have internal predecessors, (313), 5 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (159), 5 states have call predecessors, (159), 5 states have call successors, (159) Word has length 933 [2024-12-02 12:04:02,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:02,582 INFO L225 Difference]: With dead ends: 112596 [2024-12-02 12:04:02,582 INFO L226 Difference]: Without dead ends: 56407 [2024-12-02 12:04:02,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1868 GetRequests, 1863 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:04:02,727 INFO L435 NwaCegarLoop]: 3059 mSDtfsCounter, 11 mSDsluCounter, 3053 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 6112 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:02,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 6112 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:04:02,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56407 states. [2024-12-02 12:04:05,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56407 to 56391. [2024-12-02 12:04:05,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56391 states, 39497 states have (on average 1.3253158467731727) internal successors, (52346), 40583 states have internal predecessors, (52346), 14355 states have call successors, (14355), 2534 states have call predecessors, (14355), 2538 states have return successors, (14382), 14008 states have call predecessors, (14382), 14355 states have call successors, (14382) [2024-12-02 12:04:06,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56391 states to 56391 states and 81083 transitions. [2024-12-02 12:04:06,339 INFO L78 Accepts]: Start accepts. Automaton has 56391 states and 81083 transitions. Word has length 933 [2024-12-02 12:04:06,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:06,340 INFO L471 AbstractCegarLoop]: Abstraction has 56391 states and 81083 transitions. [2024-12-02 12:04:06,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.714285714285715) internal successors, (313), 7 states have internal predecessors, (313), 5 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (159), 5 states have call predecessors, (159), 5 states have call successors, (159) [2024-12-02 12:04:06,341 INFO L276 IsEmpty]: Start isEmpty. Operand 56391 states and 81083 transitions. [2024-12-02 12:04:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 973 [2024-12-02 12:04:06,355 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:06,355 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 19, 19, 18, 18, 15, 15, 15, 11, 11, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:04:06,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 12:04:06,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162ae90a-141f-4c3f-b723-6581bd135b11/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:04:06,556 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:04:06,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:06,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1664298064, now seen corresponding path program 2 times [2024-12-02 12:04:06,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:04:06,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120786423] [2024-12-02 12:04:06,557 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:04:06,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:11,274 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 12:04:11,274 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:04:12,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5256 trivial. 0 not checked. [2024-12-02 12:04:12,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:04:12,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120786423] [2024-12-02 12:04:12,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120786423] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:04:12,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:04:12,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:04:12,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043693856] [2024-12-02 12:04:12,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:12,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:04:12,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:04:12,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:04:12,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:04:12,058 INFO L87 Difference]: Start difference. First operand 56391 states and 81083 transitions. Second operand has 5 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2024-12-02 12:04:15,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:15,395 INFO L93 Difference]: Finished difference Result 111900 states and 161692 transitions. [2024-12-02 12:04:15,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:04:15,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) Word has length 972 [2024-12-02 12:04:15,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:15,621 INFO L225 Difference]: With dead ends: 111900 [2024-12-02 12:04:15,621 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 12:04:15,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:04:15,918 INFO L435 NwaCegarLoop]: 3034 mSDtfsCounter, 4 mSDsluCounter, 9096 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 12130 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:15,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 12130 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:04:15,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 12:04:15,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 12:04:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:04:15,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 12:04:16,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 972 [2024-12-02 12:04:16,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:16,101 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:04:16,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2024-12-02 12:04:16,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 12:04:16,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 12:04:16,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:04:16,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 12:04:16,110 INFO L422 BasicCegarLoop]: Path program histogram: [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] [2024-12-02 12:04:16,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 12:04:52,483 WARN L286 SmtUtils]: Spent 7.53s on a formula simplification. DAG size of input: 186 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 12:05:01,659 WARN L286 SmtUtils]: Spent 9.11s on a formula simplification. DAG size of input: 186 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)