./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme --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 f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:41:42,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:41:42,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 10:41:42,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:41:42,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:41:42,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:41:42,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:41:42,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:41:42,304 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:41:42,308 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:41:42,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:41:42,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:41:42,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:41:42,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:41:42,313 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:41:42,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:41:42,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:41:42,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:41:42,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:41:42,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:41:42,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:41:42,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:41:42,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:41:42,317 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:41:42,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:41:42,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:41:42,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:41:42,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:41:42,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:42,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:41:42,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:41:42,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:41:42,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:41:42,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:41:42,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:41:42,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:41:42,323 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:41:42,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:41:42,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:41:42,324 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2023-11-26 10:41:42,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:41:42,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:41:42,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:41:42,642 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:41:42,642 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:41:42,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2023-11-26 10:41:45,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:41:46,331 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:41:46,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2023-11-26 10:41:46,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/data/e574ea45f/a23cf1eb0b6b42a485ab42237faad971/FLAGd18613d08 [2023-11-26 10:41:46,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/data/e574ea45f/a23cf1eb0b6b42a485ab42237faad971 [2023-11-26 10:41:46,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:41:46,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:41:46,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:46,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:41:46,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:41:46,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:46" (1/1) ... [2023-11-26 10:41:46,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c235020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:46, skipping insertion in model container [2023-11-26 10:41:46,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:46" (1/1) ... [2023-11-26 10:41:46,573 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:41:48,221 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2023-11-26 10:41:48,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:48,315 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:41:48,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4501] [2023-11-26 10:41:48,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4508] [2023-11-26 10:41:48,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4515-4516] [2023-11-26 10:41:48,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4523-4524] [2023-11-26 10:41:48,479 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (853), "i" (12UL)); [4560-4561] [2023-11-26 10:41:48,479 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4566-4568] [2023-11-26 10:41:48,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4616] [2023-11-26 10:41:48,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [4623] [2023-11-26 10:41:48,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4630] [2023-11-26 10:41:48,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [4637] [2023-11-26 10:41:48,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [4644] [2023-11-26 10:41:48,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4651] [2023-11-26 10:41:48,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4692] [2023-11-26 10:41:48,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4699] [2023-11-26 10:41:48,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [4706] [2023-11-26 10:41:48,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [4713] [2023-11-26 10:41:48,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [4720] [2023-11-26 10:41:48,760 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2023-11-26 10:41:48,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:49,077 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:41:49,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49 WrapperNode [2023-11-26 10:41:49,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:49,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:49,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:41:49,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:41:49,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (1/1) ... [2023-11-26 10:41:49,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (1/1) ... [2023-11-26 10:41:49,368 INFO L138 Inliner]: procedures = 200, calls = 1539, calls flagged for inlining = 99, calls inlined = 85, statements flattened = 3608 [2023-11-26 10:41:49,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:49,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:41:49,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:41:49,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:41:49,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (1/1) ... [2023-11-26 10:41:49,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (1/1) ... [2023-11-26 10:41:49,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (1/1) ... [2023-11-26 10:41:49,900 INFO L175 MemorySlicer]: Split 748 memory accesses to 18 slices as follows [2, 8, 1, 93, 3, 7, 467, 8, 53, 2, 5, 3, 1, 5, 8, 38, 8, 36]. 62 percent of accesses are in the largest equivalence class. The 195 initializations are split as follows [2, 8, 0, 0, 1, 0, 112, 8, 0, 0, 5, 0, 1, 5, 7, 38, 8, 0]. The 155 writes are split as follows [0, 0, 0, 51, 1, 0, 88, 0, 3, 1, 0, 3, 0, 0, 0, 0, 0, 8]. [2023-11-26 10:41:49,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (1/1) ... [2023-11-26 10:41:49,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (1/1) ... [2023-11-26 10:41:50,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (1/1) ... [2023-11-26 10:41:50,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (1/1) ... [2023-11-26 10:41:50,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (1/1) ... [2023-11-26 10:41:50,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (1/1) ... [2023-11-26 10:41:50,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:41:50,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:41:50,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:41:50,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:41:50,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (1/1) ... [2023-11-26 10:41:50,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:50,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:50,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:50,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:41:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-26 10:41:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-26 10:41:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-26 10:41:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-26 10:41:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-26 10:41:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-26 10:41:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-26 10:41:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-26 10:41:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-26 10:41:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-26 10:41:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-26 10:41:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-26 10:41:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-26 10:41:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-26 10:41:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-26 10:41:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-26 10:41:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-26 10:41:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-26 10:41:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-26 10:41:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-26 10:41:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-26 10:41:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-26 10:41:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-26 10:41:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-26 10:41:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-26 10:41:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-26 10:41:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-26 10:41:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-26 10:41:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-26 10:41:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-26 10:41:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-26 10:41:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-26 10:41:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-26 10:41:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-26 10:41:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-26 10:41:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-26 10:41:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-26 10:41:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-26 10:41:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-26 10:41:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-26 10:41:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-26 10:41:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-26 10:41:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 10:41:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 10:41:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-26 10:41:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-26 10:41:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-26 10:41:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-26 10:41:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-26 10:41:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-26 10:41:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-26 10:41:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-26 10:41:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-26 10:41:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-26 10:41:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2023-11-26 10:41:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2023-11-26 10:41:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-26 10:41:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-26 10:41:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-26 10:41:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-26 10:41:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-26 10:41:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-26 10:41:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:41:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 10:41:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 10:41:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 10:41:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 10:41:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 10:41:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 10:41:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 10:41:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 10:41:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 10:41:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 10:41:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 10:41:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 10:41:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 10:41:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 10:41:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 10:41:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 10:41:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 10:41:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 10:41:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-26 10:41:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-26 10:41:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-11-26 10:41:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-11-26 10:41:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 10:41:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 10:41:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-26 10:41:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-26 10:41:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:41:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-26 10:41:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-26 10:41:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 10:41:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 10:41:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 10:41:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 10:41:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 10:41:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 10:41:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 10:41:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 10:41:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 10:41:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 10:41:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 10:41:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 10:41:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 10:41:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 10:41:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 10:41:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 10:41:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 10:41:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 10:41:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-26 10:41:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-26 10:41:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-26 10:41:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-26 10:41:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-26 10:41:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-26 10:41:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-26 10:41:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-26 10:41:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-26 10:41:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-26 10:41:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2023-11-26 10:41:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2023-11-26 10:41:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-26 10:41:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-26 10:41:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-26 10:41:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-26 10:41:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2023-11-26 10:41:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2023-11-26 10:41:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-26 10:41:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-26 10:41:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-26 10:41:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-26 10:41:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-26 10:41:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-26 10:41:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-26 10:41:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-26 10:41:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-26 10:41:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-26 10:41:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-26 10:41:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-26 10:41:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-26 10:41:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-26 10:41:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-26 10:41:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-26 10:41:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-26 10:41:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-26 10:41:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-26 10:41:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-26 10:41:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-26 10:41:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-26 10:41:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-26 10:41:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-26 10:41:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 10:41:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 10:41:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 10:41:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 10:41:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 10:41:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-26 10:41:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-26 10:41:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-26 10:41:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-26 10:41:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-26 10:41:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-26 10:41:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-26 10:41:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-26 10:41:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-26 10:41:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-26 10:41:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-26 10:41:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-26 10:41:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-26 10:41:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:41:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:41:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:41:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:41:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:41:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:41:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 10:41:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 10:41:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 10:41:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 10:41:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 10:41:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 10:41:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 10:41:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 10:41:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 10:41:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 10:41:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 10:41:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 10:41:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-26 10:41:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-26 10:41:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-26 10:41:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-26 10:41:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-26 10:41:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-26 10:41:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-26 10:41:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-26 10:41:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-26 10:41:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-26 10:41:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-26 10:41:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-26 10:41:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-26 10:41:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-26 10:41:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-26 10:41:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-26 10:41:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-26 10:41:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-26 10:41:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-26 10:41:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-26 10:41:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-26 10:41:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-26 10:41:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-26 10:41:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-26 10:41:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-26 10:41:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-26 10:41:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-26 10:41:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-26 10:41:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-26 10:41:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-26 10:41:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-26 10:41:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-26 10:41:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-26 10:41:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-26 10:41:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-26 10:41:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-26 10:41:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-26 10:41:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-26 10:41:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-26 10:41:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-26 10:41:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2023-11-26 10:41:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2023-11-26 10:41:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-26 10:41:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-26 10:41:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:41:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:41:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:41:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:41:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:41:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:41:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 10:41:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 10:41:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 10:41:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 10:41:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 10:41:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 10:41:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 10:41:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 10:41:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 10:41:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 10:41:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 10:41:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 10:41:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-26 10:41:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-26 10:41:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-26 10:41:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-26 10:41:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2023-11-26 10:41:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2023-11-26 10:41:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:41:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-26 10:41:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-26 10:41:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:41:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2023-11-26 10:41:50,333 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2023-11-26 10:41:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 10:41:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 10:41:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 10:41:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 10:41:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 10:41:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 10:41:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 10:41:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 10:41:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 10:41:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 10:41:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 10:41:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 10:41:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 10:41:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 10:41:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 10:41:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 10:41:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 10:41:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 10:41:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-26 10:41:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-26 10:41:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2023-11-26 10:41:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2023-11-26 10:41:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2023-11-26 10:41:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2023-11-26 10:41:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-26 10:41:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-26 10:41:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-26 10:41:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-26 10:41:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-26 10:41:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-26 10:41:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-26 10:41:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-26 10:41:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-26 10:41:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-26 10:41:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-26 10:41:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-26 10:41:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-26 10:41:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-26 10:41:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-26 10:41:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-26 10:41:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2023-11-26 10:41:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2023-11-26 10:41:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:41:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:41:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:41:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:41:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:41:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:41:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 10:41:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 10:41:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 10:41:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 10:41:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 10:41:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 10:41:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 10:41:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 10:41:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 10:41:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 10:41:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 10:41:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 10:41:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-26 10:41:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-26 10:41:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-26 10:41:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-26 10:41:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-26 10:41:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-26 10:41:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-26 10:41:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-26 10:41:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:41:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:41:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-26 10:41:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-26 10:41:51,128 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:41:51,132 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:41:52,881 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 10:41:52,886 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 10:41:52,893 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 10:41:52,894 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 10:41:52,895 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 10:41:52,896 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 10:41:52,904 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 10:41:55,518 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##268: assume !false; [2023-11-26 10:41:55,518 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##267: assume false; [2023-11-26 10:41:55,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume !false; [2023-11-26 10:41:55,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##281: assume false; [2023-11-26 10:41:55,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##313: assume !false; [2023-11-26 10:41:55,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##312: assume false; [2023-11-26 10:41:55,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##319: assume !false; [2023-11-26 10:41:55,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume false; [2023-11-26 10:41:55,520 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume !false; [2023-11-26 10:41:55,520 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##462: assume false; [2023-11-26 10:41:55,520 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2023-11-26 10:41:55,520 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2023-11-26 10:41:55,520 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume false; [2023-11-26 10:41:55,521 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset);havoc fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset);havoc fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset; [2023-11-26 10:41:55,644 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:41:55,982 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:41:55,982 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:41:55,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:55 BoogieIcfgContainer [2023-11-26 10:41:55,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:41:55,987 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:41:55,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:41:55,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:41:55,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:41:46" (1/3) ... [2023-11-26 10:41:55,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0eda91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:55, skipping insertion in model container [2023-11-26 10:41:55,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:49" (2/3) ... [2023-11-26 10:41:55,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0eda91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:55, skipping insertion in model container [2023-11-26 10:41:55,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:55" (3/3) ... [2023-11-26 10:41:55,994 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2023-11-26 10:41:56,016 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:41:56,016 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:41:56,095 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:41:56,102 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@42ca8096, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:41:56,102 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:41:56,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 1011 states, 668 states have (on average 1.3787425149700598) internal successors, (921), 675 states have internal predecessors, (921), 284 states have call successors, (284), 57 states have call predecessors, (284), 57 states have return successors, (284), 284 states have call predecessors, (284), 284 states have call successors, (284) [2023-11-26 10:41:56,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-26 10:41:56,120 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:56,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:56,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:56,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:56,128 INFO L85 PathProgramCache]: Analyzing trace with hash -49817116, now seen corresponding path program 1 times [2023-11-26 10:41:56,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:56,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015091167] [2023-11-26 10:41:56,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:56,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:41:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:56,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-26 10:41:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:56,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:41:56,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:56,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015091167] [2023-11-26 10:41:56,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015091167] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:56,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:56,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:41:56,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483405768] [2023-11-26 10:41:56,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:56,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:41:56,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:56,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:41:56,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:41:56,864 INFO L87 Difference]: Start difference. First operand has 1011 states, 668 states have (on average 1.3787425149700598) internal successors, (921), 675 states have internal predecessors, (921), 284 states have call successors, (284), 57 states have call predecessors, (284), 57 states have return successors, (284), 284 states have call predecessors, (284), 284 states have call successors, (284) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:41:57,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:57,591 INFO L93 Difference]: Finished difference Result 2020 states and 2990 transitions. [2023-11-26 10:41:57,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:41:57,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2023-11-26 10:41:57,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:57,617 INFO L225 Difference]: With dead ends: 2020 [2023-11-26 10:41:57,617 INFO L226 Difference]: Without dead ends: 1009 [2023-11-26 10:41:57,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:41:57,634 INFO L413 NwaCegarLoop]: 1350 mSDtfsCounter, 0 mSDsluCounter, 1349 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2699 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:57,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2699 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 10:41:57,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2023-11-26 10:41:57,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 1009. [2023-11-26 10:41:57,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 668 states have (on average 1.3682634730538923) internal successors, (914), 673 states have internal predecessors, (914), 284 states have call successors, (284), 57 states have call predecessors, (284), 56 states have return successors, (282), 282 states have call predecessors, (282), 282 states have call successors, (282) [2023-11-26 10:41:57,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1480 transitions. [2023-11-26 10:41:57,775 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1480 transitions. Word has length 15 [2023-11-26 10:41:57,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:57,775 INFO L495 AbstractCegarLoop]: Abstraction has 1009 states and 1480 transitions. [2023-11-26 10:41:57,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:41:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1480 transitions. [2023-11-26 10:41:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 10:41:57,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:57,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:57,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:41:57,778 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:57,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:57,779 INFO L85 PathProgramCache]: Analyzing trace with hash 562344242, now seen corresponding path program 1 times [2023-11-26 10:41:57,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:57,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665518188] [2023-11-26 10:41:57,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:57,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 10:41:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:41:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:41:58,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:58,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665518188] [2023-11-26 10:41:58,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665518188] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:41:58,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745242420] [2023-11-26 10:41:58,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:58,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:58,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:58,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:58,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:41:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:41:58,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:41:58,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:58,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745242420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:58,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:41:58,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-26 10:41:58,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081386387] [2023-11-26 10:41:58,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:58,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:41:58,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:58,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:41:58,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:41:58,838 INFO L87 Difference]: Start difference. First operand 1009 states and 1480 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:41:59,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:59,510 INFO L93 Difference]: Finished difference Result 3009 states and 4416 transitions. [2023-11-26 10:41:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:41:59,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2023-11-26 10:41:59,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:59,533 INFO L225 Difference]: With dead ends: 3009 [2023-11-26 10:41:59,533 INFO L226 Difference]: Without dead ends: 2003 [2023-11-26 10:41:59,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:41:59,540 INFO L413 NwaCegarLoop]: 1593 mSDtfsCounter, 1461 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 2929 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:59,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 2929 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 10:41:59,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2023-11-26 10:41:59,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 2000. [2023-11-26 10:41:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1324 states have (on average 1.365558912386707) internal successors, (1808), 1333 states have internal predecessors, (1808), 563 states have call successors, (563), 113 states have call predecessors, (563), 112 states have return successors, (561), 561 states have call predecessors, (561), 561 states have call successors, (561) [2023-11-26 10:41:59,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2932 transitions. [2023-11-26 10:41:59,730 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2932 transitions. Word has length 16 [2023-11-26 10:41:59,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:59,731 INFO L495 AbstractCegarLoop]: Abstraction has 2000 states and 2932 transitions. [2023-11-26 10:41:59,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:41:59,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2932 transitions. [2023-11-26 10:41:59,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-26 10:41:59,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:59,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:59,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 10:41:59,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:59,944 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:59,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:59,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1001510146, now seen corresponding path program 1 times [2023-11-26 10:41:59,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:59,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406568452] [2023-11-26 10:41:59,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:59,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 10:42:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:42:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:00,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 10:42:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:00,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:00,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406568452] [2023-11-26 10:42:00,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406568452] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:42:00,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704921825] [2023-11-26 10:42:00,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:00,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:00,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:00,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:00,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:42:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:00,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:42:00,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:00,976 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:42:01,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:01,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704921825] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:42:01,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:42:01,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2023-11-26 10:42:01,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696605673] [2023-11-26 10:42:01,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:42:01,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:42:01,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:01,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:42:01,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:42:01,022 INFO L87 Difference]: Start difference. First operand 2000 states and 2932 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 10:42:01,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:01,632 INFO L93 Difference]: Finished difference Result 4000 states and 5866 transitions. [2023-11-26 10:42:01,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:42:01,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 32 [2023-11-26 10:42:01,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:01,650 INFO L225 Difference]: With dead ends: 4000 [2023-11-26 10:42:01,650 INFO L226 Difference]: Without dead ends: 2003 [2023-11-26 10:42:01,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:42:01,661 INFO L413 NwaCegarLoop]: 1348 mSDtfsCounter, 0 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2695 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:01,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2695 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 10:42:01,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2023-11-26 10:42:01,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 2003. [2023-11-26 10:42:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 1327 states have (on average 1.3647324792765636) internal successors, (1811), 1336 states have internal predecessors, (1811), 563 states have call successors, (563), 113 states have call predecessors, (563), 112 states have return successors, (561), 561 states have call predecessors, (561), 561 states have call successors, (561) [2023-11-26 10:42:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 2935 transitions. [2023-11-26 10:42:01,800 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 2935 transitions. Word has length 32 [2023-11-26 10:42:01,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:01,800 INFO L495 AbstractCegarLoop]: Abstraction has 2003 states and 2935 transitions. [2023-11-26 10:42:01,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 10:42:01,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2935 transitions. [2023-11-26 10:42:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-26 10:42:01,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:01,804 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:01,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:02,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:02,019 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:02,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:02,020 INFO L85 PathProgramCache]: Analyzing trace with hash 8983344, now seen corresponding path program 2 times [2023-11-26 10:42:02,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:02,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361342314] [2023-11-26 10:42:02,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:02,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:02,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-26 10:42:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 10:42:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:02,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 10:42:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:02,391 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:02,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:02,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361342314] [2023-11-26 10:42:02,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361342314] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:42:02,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482967353] [2023-11-26 10:42:02,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:42:02,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:02,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:02,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:02,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:42:03,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-26 10:42:03,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:42:03,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 10:42:03,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 10:42:03,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:42:03,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482967353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:03,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:42:03,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-26 10:42:03,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350013922] [2023-11-26 10:42:03,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:03,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:42:03,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:03,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:42:03,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:42:03,225 INFO L87 Difference]: Start difference. First operand 2003 states and 2935 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 10:42:04,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:04,158 INFO L93 Difference]: Finished difference Result 5234 states and 7845 transitions. [2023-11-26 10:42:04,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:42:04,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2023-11-26 10:42:04,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:04,187 INFO L225 Difference]: With dead ends: 5234 [2023-11-26 10:42:04,187 INFO L226 Difference]: Without dead ends: 3242 [2023-11-26 10:42:04,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:42:04,198 INFO L413 NwaCegarLoop]: 2137 mSDtfsCounter, 623 mSDsluCounter, 3644 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 5781 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:04,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 5781 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-26 10:42:04,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3242 states. [2023-11-26 10:42:04,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3242 to 1936. [2023-11-26 10:42:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1285 states have (on average 1.3649805447470817) internal successors, (1754), 1293 states have internal predecessors, (1754), 538 states have call successors, (538), 113 states have call predecessors, (538), 112 states have return successors, (536), 536 states have call predecessors, (536), 536 states have call successors, (536) [2023-11-26 10:42:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2828 transitions. [2023-11-26 10:42:04,426 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2828 transitions. Word has length 35 [2023-11-26 10:42:04,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:04,427 INFO L495 AbstractCegarLoop]: Abstraction has 1936 states and 2828 transitions. [2023-11-26 10:42:04,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 10:42:04,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2828 transitions. [2023-11-26 10:42:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-26 10:42:04,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:04,429 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:04,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:04,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:04,638 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:04,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:04,638 INFO L85 PathProgramCache]: Analyzing trace with hash -154984570, now seen corresponding path program 1 times [2023-11-26 10:42:04,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:04,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482549458] [2023-11-26 10:42:04,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:04,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:04,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-26 10:42:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 10:42:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:04,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 10:42:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:04,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:04,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482549458] [2023-11-26 10:42:04,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482549458] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:42:04,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095145572] [2023-11-26 10:42:04,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:04,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:04,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:04,999 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:05,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:42:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:05,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:42:05,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:05,728 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:42:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:05,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095145572] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:42:05,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:42:05,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2023-11-26 10:42:05,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650933402] [2023-11-26 10:42:05,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:42:05,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 10:42:05,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:05,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 10:42:05,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-26 10:42:05,810 INFO L87 Difference]: Start difference. First operand 1936 states and 2828 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 10:42:06,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:06,625 INFO L93 Difference]: Finished difference Result 3872 states and 5661 transitions. [2023-11-26 10:42:06,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 10:42:06,626 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 36 [2023-11-26 10:42:06,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:06,642 INFO L225 Difference]: With dead ends: 3872 [2023-11-26 10:42:06,642 INFO L226 Difference]: Without dead ends: 1942 [2023-11-26 10:42:06,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-26 10:42:06,653 INFO L413 NwaCegarLoop]: 1348 mSDtfsCounter, 0 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5389 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:06,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5389 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 10:42:06,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2023-11-26 10:42:06,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1942. [2023-11-26 10:42:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1942 states, 1291 states have (on average 1.3632842757552286) internal successors, (1760), 1299 states have internal predecessors, (1760), 538 states have call successors, (538), 113 states have call predecessors, (538), 112 states have return successors, (536), 536 states have call predecessors, (536), 536 states have call successors, (536) [2023-11-26 10:42:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1942 states and 2834 transitions. [2023-11-26 10:42:06,784 INFO L78 Accepts]: Start accepts. Automaton has 1942 states and 2834 transitions. Word has length 36 [2023-11-26 10:42:06,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:06,784 INFO L495 AbstractCegarLoop]: Abstraction has 1942 states and 2834 transitions. [2023-11-26 10:42:06,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 10:42:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 2834 transitions. [2023-11-26 10:42:06,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-26 10:42:06,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:06,789 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:06,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:06,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:07,000 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:07,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:07,002 INFO L85 PathProgramCache]: Analyzing trace with hash 389380678, now seen corresponding path program 2 times [2023-11-26 10:42:07,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:07,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119377096] [2023-11-26 10:42:07,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:07,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:42:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:07,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 10:42:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:07,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 10:42:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:07,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:07,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119377096] [2023-11-26 10:42:07,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119377096] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:42:07,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737433387] [2023-11-26 10:42:07,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:42:07,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:07,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:07,616 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:07,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 10:42:08,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-26 10:42:08,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:42:08,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:42:08,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-26 10:42:08,459 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:42:08,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737433387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:08,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:42:08,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 15 [2023-11-26 10:42:08,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136404291] [2023-11-26 10:42:08,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:08,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:42:08,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:08,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:42:08,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2023-11-26 10:42:08,461 INFO L87 Difference]: Start difference. First operand 1942 states and 2834 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 10:42:10,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:10,402 INFO L93 Difference]: Finished difference Result 2875 states and 4195 transitions. [2023-11-26 10:42:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:42:10,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2023-11-26 10:42:10,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:10,425 INFO L225 Difference]: With dead ends: 2875 [2023-11-26 10:42:10,425 INFO L226 Difference]: Without dead ends: 2872 [2023-11-26 10:42:10,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2023-11-26 10:42:10,429 INFO L413 NwaCegarLoop]: 2388 mSDtfsCounter, 2801 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2801 SdHoareTripleChecker+Valid, 3112 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:10,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2801 Valid, 3112 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-26 10:42:10,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2872 states. [2023-11-26 10:42:10,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2872 to 2867. [2023-11-26 10:42:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 1905 states have (on average 1.3658792650918634) internal successors, (2602), 1916 states have internal predecessors, (2602), 793 states have call successors, (793), 169 states have call predecessors, (793), 168 states have return successors, (793), 791 states have call predecessors, (793), 791 states have call successors, (793) [2023-11-26 10:42:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 4188 transitions. [2023-11-26 10:42:10,606 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 4188 transitions. Word has length 42 [2023-11-26 10:42:10,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:10,608 INFO L495 AbstractCegarLoop]: Abstraction has 2867 states and 4188 transitions. [2023-11-26 10:42:10,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 10:42:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 4188 transitions. [2023-11-26 10:42:10,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-26 10:42:10,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:10,612 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:10,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:10,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-26 10:42:10,822 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:10,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:10,823 INFO L85 PathProgramCache]: Analyzing trace with hash 2066993197, now seen corresponding path program 1 times [2023-11-26 10:42:10,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:10,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523163113] [2023-11-26 10:42:10,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:10,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:42:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 10:42:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 10:42:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:11,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:42:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:11,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:42:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-26 10:42:11,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:11,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523163113] [2023-11-26 10:42:11,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523163113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:11,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:11,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:42:11,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827858390] [2023-11-26 10:42:11,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:11,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:42:11,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:11,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:42:11,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:42:11,180 INFO L87 Difference]: Start difference. First operand 2867 states and 4188 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:42:12,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:12,186 INFO L93 Difference]: Finished difference Result 6105 states and 9117 transitions. [2023-11-26 10:42:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:42:12,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2023-11-26 10:42:12,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:12,220 INFO L225 Difference]: With dead ends: 6105 [2023-11-26 10:42:12,220 INFO L226 Difference]: Without dead ends: 4177 [2023-11-26 10:42:12,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:42:12,228 INFO L413 NwaCegarLoop]: 2213 mSDtfsCounter, 739 mSDsluCounter, 3575 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 5788 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:12,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 5788 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-26 10:42:12,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4177 states. [2023-11-26 10:42:12,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4177 to 2867. [2023-11-26 10:42:12,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 1905 states have (on average 1.3653543307086615) internal successors, (2601), 1916 states have internal predecessors, (2601), 793 states have call successors, (793), 169 states have call predecessors, (793), 168 states have return successors, (793), 791 states have call predecessors, (793), 791 states have call successors, (793) [2023-11-26 10:42:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 4187 transitions. [2023-11-26 10:42:12,461 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 4187 transitions. Word has length 48 [2023-11-26 10:42:12,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:12,462 INFO L495 AbstractCegarLoop]: Abstraction has 2867 states and 4187 transitions. [2023-11-26 10:42:12,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:42:12,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 4187 transitions. [2023-11-26 10:42:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-26 10:42:12,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:12,465 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:12,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 10:42:12,466 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:12,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:12,466 INFO L85 PathProgramCache]: Analyzing trace with hash -127697068, now seen corresponding path program 1 times [2023-11-26 10:42:12,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:12,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577465459] [2023-11-26 10:42:12,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:12,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:12,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:42:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:12,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 10:42:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:12,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 10:42:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:13,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 10:42:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:13,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:42:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-26 10:42:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:13,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:13,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577465459] [2023-11-26 10:42:13,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577465459] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:42:13,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291226250] [2023-11-26 10:42:13,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:13,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:13,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:13,024 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:13,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 10:42:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:13,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 10:42:13,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:13,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:42:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:14,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291226250] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:42:14,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:42:14,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 13] total 26 [2023-11-26 10:42:14,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899397822] [2023-11-26 10:42:14,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:42:14,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-26 10:42:14,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:14,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-26 10:42:14,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2023-11-26 10:42:14,233 INFO L87 Difference]: Start difference. First operand 2867 states and 4187 transitions. Second operand has 26 states, 26 states have (on average 2.5384615384615383) internal successors, (66), 25 states have internal predecessors, (66), 1 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:42:18,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:18,243 INFO L93 Difference]: Finished difference Result 5736 states and 8387 transitions. [2023-11-26 10:42:18,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-26 10:42:18,244 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.5384615384615383) internal successors, (66), 25 states have internal predecessors, (66), 1 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 56 [2023-11-26 10:42:18,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:18,266 INFO L225 Difference]: With dead ends: 5736 [2023-11-26 10:42:18,266 INFO L226 Difference]: Without dead ends: 2881 [2023-11-26 10:42:18,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2023-11-26 10:42:18,279 INFO L413 NwaCegarLoop]: 1116 mSDtfsCounter, 258 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 3106 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 5235 SdHoareTripleChecker+Invalid, 3352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 3106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:18,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 5235 Invalid, 3352 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [246 Valid, 3106 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-26 10:42:18,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2881 states. [2023-11-26 10:42:18,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2881 to 2881. [2023-11-26 10:42:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 1918 states have (on average 1.3628779979144943) internal successors, (2614), 1930 states have internal predecessors, (2614), 793 states have call successors, (793), 169 states have call predecessors, (793), 169 states have return successors, (794), 791 states have call predecessors, (794), 791 states have call successors, (794) [2023-11-26 10:42:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 4201 transitions. [2023-11-26 10:42:18,490 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 4201 transitions. Word has length 56 [2023-11-26 10:42:18,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:18,491 INFO L495 AbstractCegarLoop]: Abstraction has 2881 states and 4201 transitions. [2023-11-26 10:42:18,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.5384615384615383) internal successors, (66), 25 states have internal predecessors, (66), 1 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:42:18,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 4201 transitions. [2023-11-26 10:42:18,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-26 10:42:18,496 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:18,496 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:18,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:18,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:18,711 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:18,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:18,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1216387884, now seen corresponding path program 2 times [2023-11-26 10:42:18,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:18,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5754712] [2023-11-26 10:42:18,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:18,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:42:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 10:42:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-26 10:42:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-26 10:42:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 10:42:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-26 10:42:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,948 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:19,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:19,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5754712] [2023-11-26 10:42:19,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5754712] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:42:19,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12248932] [2023-11-26 10:42:19,949 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:42:19,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:19,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,951 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 10:42:20,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-26 10:42:20,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:42:20,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-26 10:42:20,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:20,886 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-11-26 10:42:20,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:42:20,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12248932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:20,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:42:20,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [26] total 31 [2023-11-26 10:42:20,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061380854] [2023-11-26 10:42:20,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:20,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:42:20,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:20,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:42:20,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=618, Unknown=0, NotChecked=0, Total=930 [2023-11-26 10:42:20,889 INFO L87 Difference]: Start difference. First operand 2881 states and 4201 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-26 10:42:24,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:24,815 INFO L93 Difference]: Finished difference Result 6656 states and 9713 transitions. [2023-11-26 10:42:24,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 10:42:24,816 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2023-11-26 10:42:24,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:24,853 INFO L225 Difference]: With dead ends: 6656 [2023-11-26 10:42:24,853 INFO L226 Difference]: Without dead ends: 3804 [2023-11-26 10:42:24,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=335, Invalid=925, Unknown=0, NotChecked=0, Total=1260 [2023-11-26 10:42:24,867 INFO L413 NwaCegarLoop]: 2345 mSDtfsCounter, 1473 mSDsluCounter, 10026 mSDsCounter, 0 mSdLazyCounter, 1839 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 12371 SdHoareTripleChecker+Invalid, 1844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:24,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 12371 Invalid, 1844 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1839 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-26 10:42:24,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3804 states. [2023-11-26 10:42:25,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3804 to 3800. [2023-11-26 10:42:25,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3800 states, 2527 states have (on average 1.3624851602690937) internal successors, (3443), 2543 states have internal predecessors, (3443), 1047 states have call successors, (1047), 225 states have call predecessors, (1047), 225 states have return successors, (1047), 1044 states have call predecessors, (1047), 1045 states have call successors, (1047) [2023-11-26 10:42:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3800 states to 3800 states and 5537 transitions. [2023-11-26 10:42:25,273 INFO L78 Accepts]: Start accepts. Automaton has 3800 states and 5537 transitions. Word has length 68 [2023-11-26 10:42:25,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:25,273 INFO L495 AbstractCegarLoop]: Abstraction has 3800 states and 5537 transitions. [2023-11-26 10:42:25,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-26 10:42:25,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3800 states and 5537 transitions. [2023-11-26 10:42:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-26 10:42:25,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:25,278 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:25,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:25,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:25,488 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:25,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:25,489 INFO L85 PathProgramCache]: Analyzing trace with hash 615616188, now seen corresponding path program 1 times [2023-11-26 10:42:25,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:25,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483486571] [2023-11-26 10:42:25,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:25,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:42:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:26,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 10:42:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-26 10:42:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:26,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-26 10:42:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:26,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:42:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:26,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 10:42:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:26,863 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:26,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:26,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483486571] [2023-11-26 10:42:26,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483486571] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:42:26,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659307830] [2023-11-26 10:42:26,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:26,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:26,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,866 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb7069-1d07-4d48-9251-7d84a423df65/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 10:42:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:27,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-26 10:42:27,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:27,801 INFO L327 TraceCheckSpWp]: Computing backward predicates...