./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 b1c027fee61a8058055c949088f7676db617c5b1b19a093573b50c07cbdcbacd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:53:25,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:53:26,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 21:53:26,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:53:26,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:53:26,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:53:26,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:53:26,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:53:26,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:53:26,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:53:26,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:53:26,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:53:26,084 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:53:26,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:53:26,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:53:26,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:53:26,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:53:26,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:53:26,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:53:26,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:53:26,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:53:26,091 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:53:26,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:53:26,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:53:26,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:53:26,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:26,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:53:26,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:53:26,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:53:26,095 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:53:26,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:53:26,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:53:26,097 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:53:26,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:53:26,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:53:26,106 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:53:26,106 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_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c027fee61a8058055c949088f7676db617c5b1b19a093573b50c07cbdcbacd [2023-11-06 21:53:26,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:53:26,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:53:26,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:53:26,494 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:53:26,495 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:53:26,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2023-11-06 21:53:29,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:53:30,732 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:53:30,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2023-11-06 21:53:30,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/data/e51bee4e1/fbfd1598a66c4bf9a174f95c4c60110d/FLAG0b813c217 [2023-11-06 21:53:30,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/data/e51bee4e1/fbfd1598a66c4bf9a174f95c4c60110d [2023-11-06 21:53:30,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:53:30,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:53:30,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:30,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:53:30,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:53:30,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f12d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30, skipping insertion in model container [2023-11-06 21:53:30,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:31,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:41,013 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_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i[723056,723069] [2023-11-06 21:53:41,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:41,745 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:53:41,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4202] [2023-11-06 21:53:42,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [5781] [2023-11-06 21:53:42,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5788] [2023-11-06 21:53:42,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [5795] [2023-11-06 21:53:42,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5874] [2023-11-06 21:53:42,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5877] [2023-11-06 21:53:42,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5880] [2023-11-06 21:53:42,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5883] [2023-11-06 21:53:42,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5969] [2023-11-06 21:53:42,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [5976] [2023-11-06 21:53:42,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [5983] [2023-11-06 21:53:42,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6159] [2023-11-06 21:53:42,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6162] [2023-11-06 21:53:42,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6165] [2023-11-06 21:53:42,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6168] [2023-11-06 21:53:42,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6171] [2023-11-06 21:53:42,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6174] [2023-11-06 21:53:42,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6177] [2023-11-06 21:53:42,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6179] [2023-11-06 21:53:42,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp->state): : "memory", "cc"); [6211-6212] [2023-11-06 21:53:42,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [6216-6217] [2023-11-06 21:53:42,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [6221-6222] [2023-11-06 21:53:42,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [6226-6227] [2023-11-06 21:53:42,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6261] [2023-11-06 21:53:42,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6285] [2023-11-06 21:53:42,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [6406-6407] [2023-11-06 21:53:42,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [6411-6412] [2023-11-06 21:53:42,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [6416-6417] [2023-11-06 21:53:42,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [6421-6422] [2023-11-06 21:53:42,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/infiniband/hw/mthca/ib_mthca.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/hw/mthca/mthca_cmd.c.prepared"), "i" (543), "i" (12UL)); [6497-6498] [2023-11-06 21:53:42,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [11606] [2023-11-06 21:53:42,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [11988] [2023-11-06 21:53:42,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [11995] [2023-11-06 21:53:42,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [12040-12041] [2023-11-06 21:53:42,268 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [12046-12048] [2023-11-06 21:53:42,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movq %0,%1": : "r" (val), "m" (*((unsigned long volatile *)addr)): "memory"); [12626] [2023-11-06 21:53:42,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [12690-12691] [2023-11-06 21:53:42,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [12713-12714] [2023-11-06 21:53:42,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12822] [2023-11-06 21:53:42,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12832] [2023-11-06 21:53:42,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [12835] [2023-11-06 21:53:42,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [12955] [2023-11-06 21:53:42,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [14076] [2023-11-06 21:53:42,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [14080] [2023-11-06 21:53:42,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [14233] [2023-11-06 21:53:42,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [14466] [2023-11-06 21:53:42,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [14676] [2023-11-06 21:53:42,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [14769] [2023-11-06 21:53:42,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [15148-15149] [2023-11-06 21:53:42,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [15156] [2023-11-06 21:53:42,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [15169] [2023-11-06 21:53:42,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [15217-15218] [2023-11-06 21:53:42,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [15246-15247] [2023-11-06 21:53:42,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/infiniband/hw/mthca/ib_mthca.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/hw/mthca/mthca_mr.c.prepared"), "i" (459), "i" (12UL)); [15663-15664] [2023-11-06 21:53:42,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/infiniband/hw/mthca/ib_mthca.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/hw/mthca/mthca_mr.c.prepared"), "i" (461), "i" (12UL)); [15671-15672] [2023-11-06 21:53:42,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/infiniband/hw/mthca/ib_mthca.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/hw/mthca/mthca_mr.c.prepared"), "i" (466), "i" (12UL)); [15683-15684] [2023-11-06 21:53:42,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/infiniband/hw/mthca/ib_mthca.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/hw/mthca/mthca_mr.c.prepared"), "i" (722), "i" (12UL)); [16064-16065] [2023-11-06 21:53:42,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/infiniband/hw/mthca/ib_mthca.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/hw/mthca/mthca_mr.c.prepared"), "i" (739), "i" (12UL)); [16090-16091] [2023-11-06 21:53:42,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [16315] [2023-11-06 21:53:42,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [16341] [2023-11-06 21:53:42,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [16343] [2023-11-06 21:53:42,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [16586] [2023-11-06 21:53:42,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [16593] [2023-11-06 21:53:42,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [18712] [2023-11-06 21:53:42,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [18753] [2023-11-06 21:53:42,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [18756] [2023-11-06 21:53:42,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [18853] [2023-11-06 21:53:42,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [18871] [2023-11-06 21:53:42,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [18878] [2023-11-06 21:53:42,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [18934] [2023-11-06 21:53:42,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [18937] [2023-11-06 21:53:42,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19068] [2023-11-06 21:53:42,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19106] [2023-11-06 21:53:42,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19109] [2023-11-06 21:53:42,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [19113] [2023-11-06 21:53:42,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19203] [2023-11-06 21:53:43,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/infiniband/hw/mthca/ib_mthca.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/hw/mthca/mthca_mcg.c.prepared"), "i" (325), "i" (12UL)); [20121-20122] [2023-11-06 21:53:43,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/infiniband/hw/mthca/ib_mthca.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/hw/mthca/mthca_mcg.c.prepared"), "i" (405), "i" (12UL)); [20245-20246] [2023-11-06 21:53:43,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/infiniband/hw/mthca/ib_mthca.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/hw/mthca/mthca_mcg.c.prepared"), "i" (424), "i" (12UL)); [20275-20276] [2023-11-06 21:53:43,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("rep; bsf %1,%0": "=r" (word): "rm" (word)); [20885] [2023-11-06 21:53:43,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [22684] [2023-11-06 21:53:43,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [23246-23247] [2023-11-06 21:53:43,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (67), "i" (12UL)); [23254-23255] [2023-11-06 21:53:43,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (68), "i" (12UL)); [23262-23263] [2023-11-06 21:53:43,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (98), "i" (12UL)); [23288-23289] [2023-11-06 21:53:43,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (99), "i" (12UL)); [23296-23297] [2023-11-06 21:53:43,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (52), "i" (12UL)); [23360-23361] [2023-11-06 21:53:43,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (65), "i" (12UL)); [23384-23385] [2023-11-06 21:53:43,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/infiniband/hw/mthca/ib_mthca.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/hw/mthca/mthca_memfree.c.prepared"), "i" (252), "i" (12UL)); [23542-23543] [2023-11-06 21:53:43,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/infiniband/hw/mthca/ib_mthca.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/hw/mthca/mthca_memfree.c.prepared"), "i" (266), "i" (12UL)); [23568-23569] [2023-11-06 21:53:43,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [25280] [2023-11-06 21:53:43,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [25296] [2023-11-06 21:53:43,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [25301] [2023-11-06 21:53:43,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [25387] [2023-11-06 21:53:43,492 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_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i[723056,723069] [2023-11-06 21:53:43,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:44,218 WARN L672 CHandler]: The function __buggy_use_of_MTHCA_GET is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:53:44,219 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:53:44,219 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:53:44,219 WARN L672 CHandler]: The function __buggy_use_of_MTHCA_PUT is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:53:44,220 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:53:44,220 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:53:44,228 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:53:44,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44 WrapperNode [2023-11-06 21:53:44,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:44,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:44,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:53:44,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:53:44,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44" (1/1) ... [2023-11-06 21:53:44,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44" (1/1) ... [2023-11-06 21:53:45,268 INFO L138 Inliner]: procedures = 905, calls = 10291, calls flagged for inlining = 326, calls inlined = 189, statements flattened = 14162 [2023-11-06 21:53:45,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:45,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:53:45,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:53:45,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:53:45,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44" (1/1) ... [2023-11-06 21:53:45,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44" (1/1) ... [2023-11-06 21:53:45,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44" (1/1) ... [2023-11-06 21:53:45,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44" (1/1) ... [2023-11-06 21:53:45,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44" (1/1) ... [2023-11-06 21:53:45,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44" (1/1) ... [2023-11-06 21:53:45,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44" (1/1) ... [2023-11-06 21:53:46,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44" (1/1) ... [2023-11-06 21:53:46,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:53:46,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:53:46,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:53:46,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:53:46,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44" (1/1) ... [2023-11-06 21:53:46,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:46,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:46,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:53:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM_page [2023-11-06 21:53:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM_page [2023-11-06 21:53:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-06 21:53:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-11-06 21:53:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-11-06 21:53:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_status_to_errno [2023-11-06 21:53:46,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_status_to_errno [2023-11-06 21:53:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icms [2023-11-06 21:53:46,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icms [2023-11-06 21:53:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-06 21:53:46,202 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-06 21:53:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-06 21:53:46,203 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-06 21:53:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-06 21:53:46,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-06 21:53:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_key [2023-11-06 21:53:46,203 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_key [2023-11-06 21:53:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure key_to_hw_index [2023-11-06 21:53:46,204 INFO L138 BoogieDeclarations]: Found implementation of procedure key_to_hw_index [2023-11-06 21:53:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 21:53:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-06 21:53:46,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-06 21:53:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-11-06 21:53:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-11-06 21:53:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-06 21:53:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-06 21:53:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_icm [2023-11-06 21:53:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_icm [2023-11-06 21:53:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 21:53:46,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 21:53:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uarc_virt [2023-11-06 21:53:46,206 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uarc_virt [2023-11-06 21:53:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2023-11-06 21:53:46,206 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2023-11-06 21:53:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-06 21:53:46,207 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-06 21:53:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2023-11-06 21:53:46,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2023-11-06 21:53:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 21:53:46,207 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 21:53:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2023-11-06 21:53:46,208 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2023-11-06 21:53:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_cleanup [2023-11-06 21:53:46,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_cleanup [2023-11-06 21:53:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_device [2023-11-06 21:53:46,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_device [2023-11-06 21:53:46,209 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 21:53:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 21:53:46,209 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_port [2023-11-06 21:53:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_port [2023-11-06 21:53:46,209 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_region [2023-11-06 21:53:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_region [2023-11-06 21:53:46,210 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 21:53:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 21:53:46,210 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-06 21:53:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-06 21:53:46,210 INFO L130 BoogieDeclarations]: Found specification of procedure pci_pcie_cap [2023-11-06 21:53:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_pcie_cap [2023-11-06 21:53:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CLOSE_IB [2023-11-06 21:53:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CLOSE_IB [2023-11-06 21:53:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-06 21:53:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-06 21:53:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure clear_page [2023-11-06 21:53:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_page [2023-11-06 21:53:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_alloc [2023-11-06 21:53:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_alloc [2023-11-06 21:53:46,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:53:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:53:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_init_one [2023-11-06 21:53:46,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_init_one [2023-11-06 21:53:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_create_eq [2023-11-06 21:53:46,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_create_eq [2023-11-06 21:53:46,215 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt [2023-11-06 21:53:46,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt [2023-11-06 21:53:46,215 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm_table [2023-11-06 21:53:46,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm_table [2023-11-06 21:53:46,215 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_catas_cleanup [2023-11-06 21:53:46,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_catas_cleanup [2023-11-06 21:53:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure hw_index_to_key [2023-11-06 21:53:46,216 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_index_to_key [2023-11-06 21:53:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-06 21:53:46,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-06 21:53:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64_raw [2023-11-06 21:53:46,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64_raw [2023-11-06 21:53:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 21:53:46,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 21:53:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_use_polling [2023-11-06 21:53:46,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_use_polling [2023-11-06 21:53:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-11-06 21:53:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-11-06 21:53:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm_table [2023-11-06 21:53:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm_table [2023-11-06 21:53:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:53:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt_range [2023-11-06 21:53:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt_range [2023-11-06 21:53:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-06 21:53:46,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-06 21:53:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:53:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 21:53:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-06 21:53:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-06 21:53:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 21:53:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-06 21:53:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-06 21:53:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_free [2023-11-06 21:53:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_free [2023-11-06 21:53:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_cleanup [2023-11-06 21:53:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_cleanup [2023-11-06 21:53:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_eq_req_not [2023-11-06 21:53:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_eq_req_not [2023-11-06 21:53:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-06 21:53:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-06 21:53:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2023-11-06 21:53:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2023-11-06 21:53:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 21:53:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 21:53:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_cleanup [2023-11-06 21:53:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_cleanup [2023-11-06 21:53:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_eq_table [2023-11-06 21:53:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_eq_table [2023-11-06 21:53:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-06 21:53:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-06 21:53:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:53:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:53:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 21:53:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 21:53:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-06 21:53:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-06 21:53:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 21:53:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-06 21:53:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-06 21:53:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_av_table [2023-11-06 21:53:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_av_table [2023-11-06 21:53:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm [2023-11-06 21:53:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm [2023-11-06 21:53:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_alloc_mtt [2023-11-06 21:53:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_alloc_mtt [2023-11-06 21:53:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2023-11-06 21:53:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2023-11-06 21:53:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 21:53:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 21:53:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 21:53:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 21:53:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_is_memfree [2023-11-06 21:53:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_is_memfree [2023-11-06 21:53:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_eq_req_not [2023-11-06 21:53:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_eq_req_not [2023-11-06 21:53:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM [2023-11-06 21:53:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM [2023-11-06 21:53:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 21:53:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 21:53:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure set_eqe_hw [2023-11-06 21:53:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure set_eqe_hw [2023-11-06 21:53:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-06 21:53:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-06 21:53:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-06 21:53:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-06 21:53:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:53:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 21:53:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 21:53:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_update_rate [2023-11-06 21:53:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_update_rate [2023-11-06 21:53:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 21:53:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM [2023-11-06 21:53:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM [2023-11-06 21:53:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_init [2023-11-06 21:53:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_init [2023-11-06 21:53:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 21:53:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 21:53:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-06 21:53:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-06 21:53:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_uar_table [2023-11-06 21:53:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_uar_table [2023-11-06 21:53:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-06 21:53:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-06 21:53:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-06 21:53:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-06 21:53:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_addr [2023-11-06 21:53:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_addr [2023-11-06 21:53:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2023-11-06 21:53:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2023-11-06 21:53:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-06 21:53:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-06 21:53:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-06 21:53:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-06 21:53:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-06 21:53:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-06 21:53:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mtt [2023-11-06 21:53:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mtt [2023-11-06 21:53:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure go_bit [2023-11-06 21:53:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure go_bit [2023-11-06 21:53:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:53:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free [2023-11-06 21:53:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free [2023-11-06 21:53:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2023-11-06 21:53:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2023-11-06 21:53:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-06 21:53:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-06 21:53:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 21:53:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 21:53:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mthca_device_mutex [2023-11-06 21:53:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mthca_device_mutex [2023-11-06 21:53:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SW2HW_MPT [2023-11-06 21:53:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SW2HW_MPT [2023-11-06 21:53:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_write_word [2023-11-06 21:53:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_write_word [2023-11-06 21:53:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_irqs [2023-11-06 21:53:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_irqs [2023-11-06 21:53:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mr_table [2023-11-06 21:53:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mr_table [2023-11-06 21:53:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2023-11-06 21:53:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2023-11-06 21:53:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_GET [2023-11-06 21:53:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2023-11-06 21:53:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2023-11-06 21:53:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2023-11-06 21:53:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2023-11-06 21:53:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_notrans [2023-11-06 21:53:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_notrans [2023-11-06 21:53:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-11-06 21:53:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-11-06 21:53:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-06 21:53:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-06 21:53:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_put [2023-11-06 21:53:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_put [2023-11-06 21:53:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc [2023-11-06 21:53:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc [2023-11-06 21:53:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64 [2023-11-06 21:53:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64 [2023-11-06 21:53:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-06 21:53:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-06 21:53:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_imm [2023-11-06 21:53:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_imm [2023-11-06 21:53:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mcg_table [2023-11-06 21:53:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mcg_table [2023-11-06 21:53:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_qp_table [2023-11-06 21:53:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_qp_table [2023-11-06 21:53:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-06 21:53:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-06 21:53:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_device [2023-11-06 21:53:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_device [2023-11-06 21:53:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2023-11-06 21:53:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2023-11-06 21:53:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-06 21:53:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-06 21:53:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-11-06 21:53:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-11-06 21:53:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_INIT_HCA [2023-11-06 21:53:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_INIT_HCA [2023-11-06 21:53:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_hw_index_to_key [2023-11-06 21:53:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_hw_index_to_key [2023-11-06 21:53:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 21:53:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 21:53:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-06 21:53:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-06 21:53:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2023-11-06 21:53:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2023-11-06 21:53:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_cq_table [2023-11-06 21:53:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_cq_table [2023-11-06 21:53:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_cleanup [2023-11-06 21:53:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_cleanup [2023-11-06 21:53:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 21:53:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 21:53:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_close_hca [2023-11-06 21:53:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_close_hca [2023-11-06 21:53:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_EQ [2023-11-06 21:53:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_EQ [2023-11-06 21:53:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure down [2023-11-06 21:53:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2023-11-06 21:53:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-06 21:53:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-06 21:53:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAD_IFC [2023-11-06 21:53:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAD_IFC [2023-11-06 21:53:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_cmd [2023-11-06 21:53:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_cmd [2023-11-06 21:53:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-11-06 21:53:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-11-06 21:53:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:53:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2023-11-06 21:53:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2023-11-06 21:53:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_eq [2023-11-06 21:53:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_eq [2023-11-06 21:53:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_alloc [2023-11-06 21:53:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_alloc [2023-11-06 21:53:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mailbox [2023-11-06 21:53:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mailbox [2023-11-06 21:53:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-06 21:53:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-06 21:53:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-06 21:53:46,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-06 21:53:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 21:53:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_DISABLE_LAM [2023-11-06 21:53:46,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_DISABLE_LAM [2023-11-06 21:53:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 21:53:46,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 21:53:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 21:53:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-11-06 21:53:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-11-06 21:53:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_alloc [2023-11-06 21:53:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_alloc [2023-11-06 21:53:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2023-11-06 21:53:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2023-11-06 21:53:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mthca_device_mutex [2023-11-06 21:53:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mthca_device_mutex [2023-11-06 21:53:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_setup_hca [2023-11-06 21:53:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_setup_hca [2023-11-06 21:53:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 21:53:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 21:53:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc [2023-11-06 21:53:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc [2023-11-06 21:53:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CONF_SPECIAL_QP [2023-11-06 21:53:46,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CONF_SPECIAL_QP [2023-11-06 21:53:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_reg [2023-11-06 21:53:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_reg [2023-11-06 21:53:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_check_profile_val [2023-11-06 21:53:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_check_profile_val [2023-11-06 21:53:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2023-11-06 21:53:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2023-11-06 21:53:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_FA [2023-11-06 21:53:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_FA [2023-11-06 21:53:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_free [2023-11-06 21:53:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_free [2023-11-06 21:53:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2023-11-06 21:53:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2023-11-06 21:53:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt_size [2023-11-06 21:53:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt_size [2023-11-06 21:53:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure dma_get_cache_alignment [2023-11-06 21:53:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_get_cache_alignment [2023-11-06 21:53:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mr [2023-11-06 21:53:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mr [2023-11-06 21:53:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mailbox [2023-11-06 21:53:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mailbox [2023-11-06 21:53:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-06 21:53:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-06 21:53:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-06 21:53:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-06 21:53:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-06 21:53:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-06 21:53:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_dev_lim [2023-11-06 21:53:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_dev_lim [2023-11-06 21:53:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2023-11-06 21:53:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2023-11-06 21:53:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_hw_index_to_key [2023-11-06 21:53:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_hw_index_to_key [2023-11-06 21:53:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_QUERY_FW [2023-11-06 21:53:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_QUERY_FW [2023-11-06 21:53:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2023-11-06 21:53:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2023-11-06 21:53:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-06 21:53:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-06 21:53:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SYS_DIS [2023-11-06 21:53:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SYS_DIS [2023-11-06 21:53:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_init [2023-11-06 21:53:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_init [2023-11-06 21:53:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_box [2023-11-06 21:53:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_box [2023-11-06 21:53:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 21:53:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2023-11-06 21:53:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2023-11-06 21:53:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-06 21:53:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-06 21:53:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_make_profile [2023-11-06 21:53:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_make_profile [2023-11-06 21:53:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2023-11-06 21:53:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2023-11-06 21:53:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-06 21:53:46,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-06 21:53:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-11-06 21:53:46,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-11-06 21:53:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unregister_device [2023-11-06 21:53:46,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unregister_device [2023-11-06 21:53:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_key_to_hw_index [2023-11-06 21:53:46,277 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_key_to_hw_index [2023-11-06 21:53:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2023-11-06 21:53:46,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2023-11-06 21:53:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-06 21:53:46,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-06 21:53:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-11-06 21:53:46,278 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-11-06 21:53:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-11-06 21:53:46,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-11-06 21:53:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-11-06 21:53:46,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-11-06 21:53:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 21:53:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_find [2023-11-06 21:53:46,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_find [2023-11-06 21:53:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 21:53:46,279 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 21:53:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-06 21:53:46,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-06 21:53:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm [2023-11-06 21:53:46,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm [2023-11-06 21:53:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_size [2023-11-06 21:53:46,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_size [2023-11-06 21:53:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-06 21:53:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-06 21:53:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-11-06 21:53:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-11-06 21:53:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_srq_table [2023-11-06 21:53:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_srq_table [2023-11-06 21:53:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_poll [2023-11-06 21:53:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_poll [2023-11-06 21:53:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM_AUX [2023-11-06 21:53:46,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM_AUX [2023-11-06 21:53:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2023-11-06 21:53:46,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2023-11-06 21:53:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_wait [2023-11-06 21:53:46,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_wait [2023-11-06 21:53:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_phys [2023-11-06 21:53:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_phys [2023-11-06 21:53:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2023-11-06 21:53:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2023-11-06 21:53:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 21:53:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 21:53:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure get_eqe [2023-11-06 21:53:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eqe [2023-11-06 21:53:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure async_mask [2023-11-06 21:53:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mask [2023-11-06 21:53:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_init [2023-11-06 21:53:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_init [2023-11-06 21:53:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_free [2023-11-06 21:53:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_free [2023-11-06 21:53:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd [2023-11-06 21:53:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd [2023-11-06 21:53:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-06 21:53:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-06 21:53:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_get [2023-11-06 21:53:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_get [2023-11-06 21:53:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_remove_one [2023-11-06 21:53:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_remove_one [2023-11-06 21:53:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-06 21:53:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-06 21:53:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_pd_table [2023-11-06 21:53:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_pd_table [2023-11-06 21:53:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure init_query_mad [2023-11-06 21:53:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure init_query_mad [2023-11-06 21:53:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2023-11-06 21:53:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2023-11-06 21:53:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2023-11-06 21:53:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2023-11-06 21:53:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_post [2023-11-06 21:53:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_post [2023-11-06 21:53:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 21:53:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 21:53:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-06 21:53:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-06 21:53:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:53:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_regs [2023-11-06 21:53:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_regs [2023-11-06 21:53:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_PUT [2023-11-06 21:53:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt [2023-11-06 21:53:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt [2023-11-06 21:53:48,309 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:53:48,321 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:54:27,153 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:54:27,195 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:54:27,195 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 21:54:27,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:54:27 BoogieIcfgContainer [2023-11-06 21:54:27,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:54:27,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:54:27,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:54:27,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:54:27,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:53:30" (1/3) ... [2023-11-06 21:54:27,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca5b4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:54:27, skipping insertion in model container [2023-11-06 21:54:27,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:44" (2/3) ... [2023-11-06 21:54:27,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca5b4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:54:27, skipping insertion in model container [2023-11-06 21:54:27,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:54:27" (3/3) ... [2023-11-06 21:54:27,221 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2023-11-06 21:54:27,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:54:27,243 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:54:27,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:54:27,464 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=LoopsAndPotentialCycles, 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;@7a33822e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:54:27,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:54:27,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 5763 states, 4162 states have (on average 1.4019702066314272) internal successors, (5835), 4231 states have internal predecessors, (5835), 1384 states have call successors, (1384), 215 states have call predecessors, (1384), 215 states have return successors, (1384), 1384 states have call predecessors, (1384), 1384 states have call successors, (1384) [2023-11-06 21:54:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-06 21:54:27,506 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:27,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:54:27,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:27,512 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:27,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1378235734, now seen corresponding path program 1 times [2023-11-06 21:54:27,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:54:27,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680035649] [2023-11-06 21:54:27,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:27,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:54:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:28,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:54:28,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:54:28,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680035649] [2023-11-06 21:54:28,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680035649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:54:28,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:54:28,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:54:28,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233123436] [2023-11-06 21:54:28,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:54:28,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:54:28,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:54:28,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:54:28,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:54:28,486 INFO L87 Difference]: Start difference. First operand has 5763 states, 4162 states have (on average 1.4019702066314272) internal successors, (5835), 4231 states have internal predecessors, (5835), 1384 states have call successors, (1384), 215 states have call predecessors, (1384), 215 states have return successors, (1384), 1384 states have call predecessors, (1384), 1384 states have call successors, (1384) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:54:29,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:54:29,308 INFO L93 Difference]: Finished difference Result 11656 states and 17660 transitions. [2023-11-06 21:54:29,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:54:29,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-06 21:54:29,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:54:29,399 INFO L225 Difference]: With dead ends: 11656 [2023-11-06 21:54:29,399 INFO L226 Difference]: Without dead ends: 5870 [2023-11-06 21:54:29,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:54:29,469 INFO L413 NwaCegarLoop]: 8501 mSDtfsCounter, 232 mSDsluCounter, 8488 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 16989 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:54:29,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 16989 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:54:29,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5870 states. [2023-11-06 21:54:30,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5870 to 5840. [2023-11-06 21:54:30,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5840 states, 4222 states have (on average 1.3934154429180483) internal successors, (5883), 4290 states have internal predecessors, (5883), 1395 states have call successors, (1395), 223 states have call predecessors, (1395), 222 states have return successors, (1376), 1375 states have call predecessors, (1376), 1376 states have call successors, (1376) [2023-11-06 21:54:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5840 states to 5840 states and 8654 transitions. [2023-11-06 21:54:30,221 INFO L78 Accepts]: Start accepts. Automaton has 5840 states and 8654 transitions. Word has length 18 [2023-11-06 21:54:30,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:54:30,223 INFO L495 AbstractCegarLoop]: Abstraction has 5840 states and 8654 transitions. [2023-11-06 21:54:30,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:54:30,224 INFO L276 IsEmpty]: Start isEmpty. Operand 5840 states and 8654 transitions. [2023-11-06 21:54:30,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-06 21:54:30,228 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:30,228 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] [2023-11-06 21:54:30,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:54:30,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:30,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:30,235 INFO L85 PathProgramCache]: Analyzing trace with hash 844167933, now seen corresponding path program 1 times [2023-11-06 21:54:30,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:54:30,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782444892] [2023-11-06 21:54:30,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:30,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:54:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:31,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:54:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:54:31,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:54:31,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782444892] [2023-11-06 21:54:31,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782444892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:54:31,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:54:31,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:54:31,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269373397] [2023-11-06 21:54:31,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:54:31,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:54:31,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:54:31,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:54:31,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:54:31,073 INFO L87 Difference]: Start difference. First operand 5840 states and 8654 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 21:54:32,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:54:32,032 INFO L93 Difference]: Finished difference Result 17358 states and 25736 transitions. [2023-11-06 21:54:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:54:32,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-11-06 21:54:32,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:54:32,158 INFO L225 Difference]: With dead ends: 17358 [2023-11-06 21:54:32,159 INFO L226 Difference]: Without dead ends: 11521 [2023-11-06 21:54:32,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:54:32,208 INFO L413 NwaCegarLoop]: 16682 mSDtfsCounter, 8403 mSDsluCounter, 8376 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8403 SdHoareTripleChecker+Valid, 25058 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:54:32,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8403 Valid, 25058 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:54:32,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11521 states. [2023-11-06 21:54:33,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11521 to 11507. [2023-11-06 21:54:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11507 states, 8342 states have (on average 1.3937904579237592) internal successors, (11627), 8458 states have internal predecessors, (11627), 2729 states have call successors, (2729), 436 states have call predecessors, (2729), 435 states have return successors, (2710), 2710 states have call predecessors, (2710), 2710 states have call successors, (2710) [2023-11-06 21:54:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11507 states to 11507 states and 17066 transitions. [2023-11-06 21:54:33,199 INFO L78 Accepts]: Start accepts. Automaton has 11507 states and 17066 transitions. Word has length 21 [2023-11-06 21:54:33,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:54:33,200 INFO L495 AbstractCegarLoop]: Abstraction has 11507 states and 17066 transitions. [2023-11-06 21:54:33,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 21:54:33,201 INFO L276 IsEmpty]: Start isEmpty. Operand 11507 states and 17066 transitions. [2023-11-06 21:54:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 21:54:33,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:33,214 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:54:33,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:54:33,214 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:33,215 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:33,215 INFO L85 PathProgramCache]: Analyzing trace with hash 2094997458, now seen corresponding path program 1 times [2023-11-06 21:54:33,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:54:33,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302195271] [2023-11-06 21:54:33,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:33,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:54:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:34,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:54:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:35,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:54:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:35,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:54:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:35,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:54:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:35,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:54:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:35,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:54:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:54:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:35,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:54:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:35,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:54:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:35,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:54:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:35,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:54:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:54:35,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:54:35,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302195271] [2023-11-06 21:54:35,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302195271] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:54:35,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085638613] [2023-11-06 21:54:35,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:35,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:54:35,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:54:35,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:54:35,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 21:54:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:37,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 3995 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:54:37,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:54:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:54:37,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:54:37,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085638613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:54:37,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:54:37,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:54:37,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073181561] [2023-11-06 21:54:37,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:54:37,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:54:37,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:54:37,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:54:37,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:54:37,826 INFO L87 Difference]: Start difference. First operand 11507 states and 17066 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:54:38,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:54:38,556 INFO L93 Difference]: Finished difference Result 11565 states and 17146 transitions. [2023-11-06 21:54:38,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:54:38,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 98 [2023-11-06 21:54:38,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:54:38,686 INFO L225 Difference]: With dead ends: 11565 [2023-11-06 21:54:38,686 INFO L226 Difference]: Without dead ends: 11536 [2023-11-06 21:54:38,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:54:38,701 INFO L413 NwaCegarLoop]: 8499 mSDtfsCounter, 8455 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8455 SdHoareTripleChecker+Valid, 8539 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:54:38,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8455 Valid, 8539 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:54:38,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11536 states. [2023-11-06 21:54:39,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11536 to 11507. [2023-11-06 21:54:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11507 states, 8342 states have (on average 1.393670582594102) internal successors, (11626), 8458 states have internal predecessors, (11626), 2729 states have call successors, (2729), 436 states have call predecessors, (2729), 435 states have return successors, (2710), 2710 states have call predecessors, (2710), 2710 states have call successors, (2710) [2023-11-06 21:54:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11507 states to 11507 states and 17065 transitions. [2023-11-06 21:54:39,715 INFO L78 Accepts]: Start accepts. Automaton has 11507 states and 17065 transitions. Word has length 98 [2023-11-06 21:54:39,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:54:39,717 INFO L495 AbstractCegarLoop]: Abstraction has 11507 states and 17065 transitions. [2023-11-06 21:54:39,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:54:39,717 INFO L276 IsEmpty]: Start isEmpty. Operand 11507 states and 17065 transitions. [2023-11-06 21:54:39,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 21:54:39,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:39,722 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:54:39,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 21:54:39,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-06 21:54:39,940 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:39,941 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:39,941 INFO L85 PathProgramCache]: Analyzing trace with hash -2142711536, now seen corresponding path program 1 times [2023-11-06 21:54:39,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:54:39,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733376334] [2023-11-06 21:54:39,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:39,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:54:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:41,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:54:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:41,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:54:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:41,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:54:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:41,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:54:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:41,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:54:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:41,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:54:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:54:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:41,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:54:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:41,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:54:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:41,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:54:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:54:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:54:41,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:54:41,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733376334] [2023-11-06 21:54:41,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733376334] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:54:41,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395470113] [2023-11-06 21:54:41,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:41,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:54:41,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:54:41,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:54:41,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 21:54:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:44,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 3982 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:54:44,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:54:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:54:44,564 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:54:44,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395470113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:54:44,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:54:44,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:54:44,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232819940] [2023-11-06 21:54:44,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:54:44,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:54:44,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:54:44,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:54:44,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:54:44,567 INFO L87 Difference]: Start difference. First operand 11507 states and 17065 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:54:45,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:54:45,527 INFO L93 Difference]: Finished difference Result 11509 states and 17066 transitions. [2023-11-06 21:54:45,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:54:45,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 98 [2023-11-06 21:54:45,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:54:45,613 INFO L225 Difference]: With dead ends: 11509 [2023-11-06 21:54:45,613 INFO L226 Difference]: Without dead ends: 11506 [2023-11-06 21:54:45,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:54:45,628 INFO L413 NwaCegarLoop]: 8457 mSDtfsCounter, 8398 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8398 SdHoareTripleChecker+Valid, 8457 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:54:45,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8398 Valid, 8457 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:54:45,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11506 states. [2023-11-06 21:54:46,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11506 to 11506. [2023-11-06 21:54:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11506 states, 8342 states have (on average 1.393550707264445) internal successors, (11625), 8457 states have internal predecessors, (11625), 2728 states have call successors, (2728), 436 states have call predecessors, (2728), 435 states have return successors, (2710), 2710 states have call predecessors, (2710), 2710 states have call successors, (2710) [2023-11-06 21:54:46,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11506 states to 11506 states and 17063 transitions. [2023-11-06 21:54:46,845 INFO L78 Accepts]: Start accepts. Automaton has 11506 states and 17063 transitions. Word has length 98 [2023-11-06 21:54:46,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:54:46,848 INFO L495 AbstractCegarLoop]: Abstraction has 11506 states and 17063 transitions. [2023-11-06 21:54:46,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:54:46,848 INFO L276 IsEmpty]: Start isEmpty. Operand 11506 states and 17063 transitions. [2023-11-06 21:54:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-06 21:54:46,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:46,852 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:54:46,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:54:47,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:54:47,069 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:47,070 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:47,070 INFO L85 PathProgramCache]: Analyzing trace with hash -2001894013, now seen corresponding path program 1 times [2023-11-06 21:54:47,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:54:47,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986782515] [2023-11-06 21:54:47,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:47,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:54:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:54:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:48,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:54:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:48,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:54:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:48,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:54:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:48,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:54:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:48,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:54:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:54:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:54:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:54:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:54:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:54:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:54:48,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:54:48,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986782515] [2023-11-06 21:54:48,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986782515] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:54:48,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800262202] [2023-11-06 21:54:48,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:48,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:54:48,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:54:48,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:54:48,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 21:54:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:51,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 3984 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:54:51,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:54:51,573 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:54:51,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:54:51,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800262202] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:54:51,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:54:51,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:54:51,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800510395] [2023-11-06 21:54:51,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:54:51,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:54:51,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:54:51,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:54:51,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:54:51,576 INFO L87 Difference]: Start difference. First operand 11506 states and 17063 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:54:52,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:54:52,526 INFO L93 Difference]: Finished difference Result 11508 states and 17064 transitions. [2023-11-06 21:54:52,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:54:52,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2023-11-06 21:54:52,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:54:52,595 INFO L225 Difference]: With dead ends: 11508 [2023-11-06 21:54:52,596 INFO L226 Difference]: Without dead ends: 11505 [2023-11-06 21:54:52,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:54:52,606 INFO L413 NwaCegarLoop]: 8455 mSDtfsCounter, 8395 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8395 SdHoareTripleChecker+Valid, 8455 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 21:54:52,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8395 Valid, 8455 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 21:54:52,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11505 states. [2023-11-06 21:54:53,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11505 to 11505. [2023-11-06 21:54:53,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11505 states, 8342 states have (on average 1.393430831934788) internal successors, (11624), 8456 states have internal predecessors, (11624), 2727 states have call successors, (2727), 436 states have call predecessors, (2727), 435 states have return successors, (2710), 2710 states have call predecessors, (2710), 2710 states have call successors, (2710) [2023-11-06 21:54:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11505 states to 11505 states and 17061 transitions. [2023-11-06 21:54:53,775 INFO L78 Accepts]: Start accepts. Automaton has 11505 states and 17061 transitions. Word has length 99 [2023-11-06 21:54:53,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:54:53,776 INFO L495 AbstractCegarLoop]: Abstraction has 11505 states and 17061 transitions. [2023-11-06 21:54:53,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:54:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 11505 states and 17061 transitions. [2023-11-06 21:54:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-06 21:54:53,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:53,785 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:54:53,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 21:54:54,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:54:54,001 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:54,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:54,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1931513229, now seen corresponding path program 1 times [2023-11-06 21:54:54,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:54:54,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195698550] [2023-11-06 21:54:54,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:54,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:54:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:54:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:55,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:54:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:55,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:54:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:55,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:54:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:55,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:54:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:55,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:54:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:54:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:55,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:54:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:55,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:54:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:55,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:54:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:55,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:54:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:54:55,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:54:55,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195698550] [2023-11-06 21:54:55,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195698550] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:54:55,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703327121] [2023-11-06 21:54:55,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:55,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:54:55,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:54:55,876 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:54:55,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 21:54:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:57,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 3986 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:54:57,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:54:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:54:58,337 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:54:58,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703327121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:54:58,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:54:58,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:54:58,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926378323] [2023-11-06 21:54:58,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:54:58,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:54:58,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:54:58,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:54:58,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:54:58,341 INFO L87 Difference]: Start difference. First operand 11505 states and 17061 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:54:59,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:54:59,347 INFO L93 Difference]: Finished difference Result 11569 states and 17127 transitions. [2023-11-06 21:54:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:54:59,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 100 [2023-11-06 21:54:59,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:54:59,414 INFO L225 Difference]: With dead ends: 11569 [2023-11-06 21:54:59,414 INFO L226 Difference]: Without dead ends: 11565 [2023-11-06 21:54:59,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:54:59,427 INFO L413 NwaCegarLoop]: 8480 mSDtfsCounter, 8225 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8225 SdHoareTripleChecker+Valid, 8674 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 21:54:59,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8225 Valid, 8674 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 21:54:59,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11565 states. [2023-11-06 21:55:00,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11565 to 11563. [2023-11-06 21:55:00,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11563 states, 8388 states have (on average 1.3925846447305674) internal successors, (11681), 8500 states have internal predecessors, (11681), 2727 states have call successors, (2727), 448 states have call predecessors, (2727), 447 states have return successors, (2712), 2712 states have call predecessors, (2712), 2712 states have call successors, (2712) [2023-11-06 21:55:00,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11563 states to 11563 states and 17120 transitions. [2023-11-06 21:55:00,499 INFO L78 Accepts]: Start accepts. Automaton has 11563 states and 17120 transitions. Word has length 100 [2023-11-06 21:55:00,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:00,501 INFO L495 AbstractCegarLoop]: Abstraction has 11563 states and 17120 transitions. [2023-11-06 21:55:00,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:00,501 INFO L276 IsEmpty]: Start isEmpty. Operand 11563 states and 17120 transitions. [2023-11-06 21:55:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-06 21:55:00,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:00,503 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:00,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-06 21:55:00,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:00,721 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:00,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:00,721 INFO L85 PathProgramCache]: Analyzing trace with hash 250295942, now seen corresponding path program 1 times [2023-11-06 21:55:00,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:00,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644579151] [2023-11-06 21:55:00,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:00,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:01,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:55:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:01,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:55:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:01,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:55:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:55:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:55:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:55:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:02,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:55:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:55:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:02,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:55:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:55:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:02,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:55:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:55:02,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:02,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644579151] [2023-11-06 21:55:02,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644579151] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:55:02,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434823144] [2023-11-06 21:55:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:02,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:02,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:02,163 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:02,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 21:55:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:04,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 3988 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:55:04,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:55:04,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:55:04,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434823144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:04,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:55:04,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:55:04,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483368255] [2023-11-06 21:55:04,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:04,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:04,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:04,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:04,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:04,615 INFO L87 Difference]: Start difference. First operand 11563 states and 17120 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:05,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:05,414 INFO L93 Difference]: Finished difference Result 11565 states and 17121 transitions. [2023-11-06 21:55:05,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:05,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 101 [2023-11-06 21:55:05,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:05,472 INFO L225 Difference]: With dead ends: 11565 [2023-11-06 21:55:05,473 INFO L226 Difference]: Without dead ends: 11562 [2023-11-06 21:55:05,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:05,482 INFO L413 NwaCegarLoop]: 8449 mSDtfsCounter, 8387 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8387 SdHoareTripleChecker+Valid, 8449 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:05,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8387 Valid, 8449 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:55:05,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11562 states. [2023-11-06 21:55:06,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11562 to 11562. [2023-11-06 21:55:06,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11562 states, 8388 states have (on average 1.3924654268001908) internal successors, (11680), 8499 states have internal predecessors, (11680), 2726 states have call successors, (2726), 448 states have call predecessors, (2726), 447 states have return successors, (2712), 2712 states have call predecessors, (2712), 2712 states have call successors, (2712) [2023-11-06 21:55:06,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11562 states to 11562 states and 17118 transitions. [2023-11-06 21:55:06,407 INFO L78 Accepts]: Start accepts. Automaton has 11562 states and 17118 transitions. Word has length 101 [2023-11-06 21:55:06,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:06,407 INFO L495 AbstractCegarLoop]: Abstraction has 11562 states and 17118 transitions. [2023-11-06 21:55:06,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:06,408 INFO L276 IsEmpty]: Start isEmpty. Operand 11562 states and 17118 transitions. [2023-11-06 21:55:06,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-06 21:55:06,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:06,410 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:06,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:06,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:06,627 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:06,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:06,628 INFO L85 PathProgramCache]: Analyzing trace with hash -833091626, now seen corresponding path program 1 times [2023-11-06 21:55:06,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:06,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980957420] [2023-11-06 21:55:06,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:06,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:55:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:55:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:55:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:55:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:55:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:55:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:55:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:55:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:55:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:55:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:55:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:55:07,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:07,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980957420] [2023-11-06 21:55:07,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980957420] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:55:07,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414965637] [2023-11-06 21:55:07,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:07,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:07,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:07,889 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:07,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 21:55:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:09,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 3990 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:55:09,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:55:10,141 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:55:10,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414965637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:10,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:55:10,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:55:10,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270601903] [2023-11-06 21:55:10,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:10,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:10,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:10,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:10,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:10,145 INFO L87 Difference]: Start difference. First operand 11562 states and 17118 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:10,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:10,848 INFO L93 Difference]: Finished difference Result 11599 states and 17148 transitions. [2023-11-06 21:55:10,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:10,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2023-11-06 21:55:10,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:10,901 INFO L225 Difference]: With dead ends: 11599 [2023-11-06 21:55:10,901 INFO L226 Difference]: Without dead ends: 11595 [2023-11-06 21:55:10,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:10,911 INFO L413 NwaCegarLoop]: 8444 mSDtfsCounter, 199 mSDsluCounter, 8206 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 16650 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:10,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 16650 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:55:10,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11595 states. [2023-11-06 21:55:11,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11595 to 11593. [2023-11-06 21:55:11,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11593 states, 8412 states have (on average 1.3912268188302426) internal successors, (11703), 8521 states have internal predecessors, (11703), 2725 states have call successors, (2725), 456 states have call predecessors, (2725), 455 states have return successors, (2713), 2713 states have call predecessors, (2713), 2713 states have call successors, (2713) [2023-11-06 21:55:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11593 states to 11593 states and 17141 transitions. [2023-11-06 21:55:11,885 INFO L78 Accepts]: Start accepts. Automaton has 11593 states and 17141 transitions. Word has length 102 [2023-11-06 21:55:11,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:11,885 INFO L495 AbstractCegarLoop]: Abstraction has 11593 states and 17141 transitions. [2023-11-06 21:55:11,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:11,886 INFO L276 IsEmpty]: Start isEmpty. Operand 11593 states and 17141 transitions. [2023-11-06 21:55:11,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-06 21:55:11,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:11,890 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:11,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:12,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:12,105 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:12,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:12,105 INFO L85 PathProgramCache]: Analyzing trace with hash -58362999, now seen corresponding path program 1 times [2023-11-06 21:55:12,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:12,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120342780] [2023-11-06 21:55:12,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:12,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:55:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:13,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:55:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:55:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:55:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:13,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:55:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:55:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:13,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:55:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:13,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:55:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:13,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:55:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:13,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:55:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:55:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:13,466 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:55:13,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:13,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120342780] [2023-11-06 21:55:13,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120342780] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:55:13,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711594561] [2023-11-06 21:55:13,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:13,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:13,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:13,473 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:13,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 21:55:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:15,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 3992 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:55:15,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:55:15,631 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:55:15,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711594561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:15,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:55:15,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:55:15,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9827946] [2023-11-06 21:55:15,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:15,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:15,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:15,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:15,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:15,634 INFO L87 Difference]: Start difference. First operand 11593 states and 17141 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:16,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:16,420 INFO L93 Difference]: Finished difference Result 11595 states and 17142 transitions. [2023-11-06 21:55:16,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:16,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-11-06 21:55:16,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:16,466 INFO L225 Difference]: With dead ends: 11595 [2023-11-06 21:55:16,466 INFO L226 Difference]: Without dead ends: 11592 [2023-11-06 21:55:16,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:16,478 INFO L413 NwaCegarLoop]: 8443 mSDtfsCounter, 8379 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8379 SdHoareTripleChecker+Valid, 8443 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:16,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8379 Valid, 8443 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:55:16,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11592 states. [2023-11-06 21:55:17,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11592 to 11592. [2023-11-06 21:55:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11592 states, 8412 states have (on average 1.3911079410366143) internal successors, (11702), 8520 states have internal predecessors, (11702), 2724 states have call successors, (2724), 456 states have call predecessors, (2724), 455 states have return successors, (2713), 2713 states have call predecessors, (2713), 2713 states have call successors, (2713) [2023-11-06 21:55:17,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11592 states to 11592 states and 17139 transitions. [2023-11-06 21:55:17,534 INFO L78 Accepts]: Start accepts. Automaton has 11592 states and 17139 transitions. Word has length 103 [2023-11-06 21:55:17,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:17,535 INFO L495 AbstractCegarLoop]: Abstraction has 11592 states and 17139 transitions. [2023-11-06 21:55:17,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 11592 states and 17139 transitions. [2023-11-06 21:55:17,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-06 21:55:17,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:17,537 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:17,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:17,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-06 21:55:17,754 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:17,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:17,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1811574471, now seen corresponding path program 1 times [2023-11-06 21:55:17,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:17,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983746111] [2023-11-06 21:55:17,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:17,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:18,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:55:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:55:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:55:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:18,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:55:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:18,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:55:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:55:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:55:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:18,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:55:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:18,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:55:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:18,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:55:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:18,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:55:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:18,914 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:55:18,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:18,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983746111] [2023-11-06 21:55:18,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983746111] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:55:18,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603449282] [2023-11-06 21:55:18,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:18,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:18,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:18,917 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:18,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 21:55:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:20,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 3994 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:55:20,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:21,160 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:55:21,161 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:55:21,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603449282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:21,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:55:21,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:55:21,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786007759] [2023-11-06 21:55:21,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:21,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:21,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:21,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:21,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:21,164 INFO L87 Difference]: Start difference. First operand 11592 states and 17139 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:21,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:21,950 INFO L93 Difference]: Finished difference Result 11594 states and 17140 transitions. [2023-11-06 21:55:21,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:21,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-06 21:55:21,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:21,990 INFO L225 Difference]: With dead ends: 11594 [2023-11-06 21:55:21,990 INFO L226 Difference]: Without dead ends: 11591 [2023-11-06 21:55:21,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:21,997 INFO L413 NwaCegarLoop]: 8441 mSDtfsCounter, 8376 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8376 SdHoareTripleChecker+Valid, 8441 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:21,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8376 Valid, 8441 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:55:22,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11591 states. [2023-11-06 21:55:22,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11591 to 11591. [2023-11-06 21:55:22,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11591 states, 8412 states have (on average 1.3909890632429862) internal successors, (11701), 8519 states have internal predecessors, (11701), 2723 states have call successors, (2723), 456 states have call predecessors, (2723), 455 states have return successors, (2713), 2713 states have call predecessors, (2713), 2713 states have call successors, (2713) [2023-11-06 21:55:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11591 states to 11591 states and 17137 transitions. [2023-11-06 21:55:22,946 INFO L78 Accepts]: Start accepts. Automaton has 11591 states and 17137 transitions. Word has length 104 [2023-11-06 21:55:22,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:22,946 INFO L495 AbstractCegarLoop]: Abstraction has 11591 states and 17137 transitions. [2023-11-06 21:55:22,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:22,947 INFO L276 IsEmpty]: Start isEmpty. Operand 11591 states and 17137 transitions. [2023-11-06 21:55:22,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-06 21:55:22,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:22,948 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:22,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:23,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 21:55:23,153 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:23,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:23,153 INFO L85 PathProgramCache]: Analyzing trace with hash -326550388, now seen corresponding path program 1 times [2023-11-06 21:55:23,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:23,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080300238] [2023-11-06 21:55:23,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:23,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:23,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:55:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:24,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:55:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:55:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:24,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:55:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:24,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:55:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:24,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:55:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:24,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:55:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:24,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:55:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:24,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:55:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:24,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:55:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:55:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:55:24,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:24,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080300238] [2023-11-06 21:55:24,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080300238] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:55:24,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552831798] [2023-11-06 21:55:24,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:24,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:24,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:24,332 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:24,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 21:55:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:26,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 3996 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:55:26,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:55:26,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:55:26,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552831798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:26,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:55:26,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:55:26,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360562879] [2023-11-06 21:55:26,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:26,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:26,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:26,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:26,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:26,633 INFO L87 Difference]: Start difference. First operand 11591 states and 17137 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:27,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:27,485 INFO L93 Difference]: Finished difference Result 11593 states and 17138 transitions. [2023-11-06 21:55:27,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:27,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2023-11-06 21:55:27,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:27,530 INFO L225 Difference]: With dead ends: 11593 [2023-11-06 21:55:27,530 INFO L226 Difference]: Without dead ends: 11590 [2023-11-06 21:55:27,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:27,538 INFO L413 NwaCegarLoop]: 8439 mSDtfsCounter, 8373 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8373 SdHoareTripleChecker+Valid, 8439 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:27,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8373 Valid, 8439 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:55:27,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11590 states. [2023-11-06 21:55:28,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11590 to 11590. [2023-11-06 21:55:28,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11590 states, 8412 states have (on average 1.3908701854493581) internal successors, (11700), 8518 states have internal predecessors, (11700), 2722 states have call successors, (2722), 456 states have call predecessors, (2722), 455 states have return successors, (2713), 2713 states have call predecessors, (2713), 2713 states have call successors, (2713) [2023-11-06 21:55:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11590 states to 11590 states and 17135 transitions. [2023-11-06 21:55:28,675 INFO L78 Accepts]: Start accepts. Automaton has 11590 states and 17135 transitions. Word has length 105 [2023-11-06 21:55:28,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:28,675 INFO L495 AbstractCegarLoop]: Abstraction has 11590 states and 17135 transitions. [2023-11-06 21:55:28,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:28,676 INFO L276 IsEmpty]: Start isEmpty. Operand 11590 states and 17135 transitions. [2023-11-06 21:55:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-06 21:55:28,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:28,678 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:28,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:28,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 21:55:28,894 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:28,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:28,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1535439204, now seen corresponding path program 1 times [2023-11-06 21:55:28,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:28,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250887098] [2023-11-06 21:55:28,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:28,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:29,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:55:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:55:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:29,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:55:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:29,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:55:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:55:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:55:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:29,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:55:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:30,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:55:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:30,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:55:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:30,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:55:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:55:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:30,100 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:55:30,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:30,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250887098] [2023-11-06 21:55:30,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250887098] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:55:30,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108089601] [2023-11-06 21:55:30,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:30,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:30,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:30,103 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:30,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 21:55:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:31,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 3998 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:55:31,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:55:32,315 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:55:32,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108089601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:32,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:55:32,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:55:32,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623448651] [2023-11-06 21:55:32,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:32,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:32,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:32,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:32,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:32,317 INFO L87 Difference]: Start difference. First operand 11590 states and 17135 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:33,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:33,194 INFO L93 Difference]: Finished difference Result 13111 states and 19122 transitions. [2023-11-06 21:55:33,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:33,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2023-11-06 21:55:33,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:33,235 INFO L225 Difference]: With dead ends: 13111 [2023-11-06 21:55:33,235 INFO L226 Difference]: Without dead ends: 13107 [2023-11-06 21:55:33,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:33,244 INFO L413 NwaCegarLoop]: 8439 mSDtfsCounter, 8292 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8292 SdHoareTripleChecker+Valid, 9473 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:33,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8292 Valid, 9473 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:55:33,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13107 states. [2023-11-06 21:55:34,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13107 to 13104. [2023-11-06 21:55:34,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13104 states, 9480 states have (on average 1.3777426160337554) internal successors, (13061), 9594 states have internal predecessors, (13061), 3030 states have call successors, (3030), 594 states have call predecessors, (3030), 593 states have return successors, (3023), 3023 states have call predecessors, (3023), 3023 states have call successors, (3023) [2023-11-06 21:55:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13104 states to 13104 states and 19114 transitions. [2023-11-06 21:55:34,275 INFO L78 Accepts]: Start accepts. Automaton has 13104 states and 19114 transitions. Word has length 106 [2023-11-06 21:55:34,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:34,276 INFO L495 AbstractCegarLoop]: Abstraction has 13104 states and 19114 transitions. [2023-11-06 21:55:34,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 13104 states and 19114 transitions. [2023-11-06 21:55:34,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 21:55:34,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:34,278 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:34,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:34,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 21:55:34,479 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:34,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:34,480 INFO L85 PathProgramCache]: Analyzing trace with hash -356281969, now seen corresponding path program 1 times [2023-11-06 21:55:34,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:34,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082690295] [2023-11-06 21:55:34,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:34,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:55:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:35,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:55:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:35,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:55:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:55:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:35,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:55:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:35,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:55:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:55:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:35,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:55:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:35,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:55:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:35,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:55:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:55:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:55:35,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:35,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082690295] [2023-11-06 21:55:35,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082690295] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:55:35,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865480107] [2023-11-06 21:55:35,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:35,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:35,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:35,713 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:35,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 21:55:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:37,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 4000 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:55:37,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:55:37,991 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:55:37,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865480107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:37,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:55:37,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:55:37,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625993790] [2023-11-06 21:55:37,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:37,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:37,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:37,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:37,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:37,993 INFO L87 Difference]: Start difference. First operand 13104 states and 19114 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:38,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:38,748 INFO L93 Difference]: Finished difference Result 13106 states and 19115 transitions. [2023-11-06 21:55:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:38,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-06 21:55:38,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:38,788 INFO L225 Difference]: With dead ends: 13106 [2023-11-06 21:55:38,788 INFO L226 Difference]: Without dead ends: 13103 [2023-11-06 21:55:38,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:38,796 INFO L413 NwaCegarLoop]: 8433 mSDtfsCounter, 8365 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8365 SdHoareTripleChecker+Valid, 8433 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:38,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8365 Valid, 8433 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:55:38,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13103 states. [2023-11-06 21:55:39,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13103 to 13103. [2023-11-06 21:55:39,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13103 states, 9480 states have (on average 1.3776371308016877) internal successors, (13060), 9593 states have internal predecessors, (13060), 3029 states have call successors, (3029), 594 states have call predecessors, (3029), 593 states have return successors, (3023), 3023 states have call predecessors, (3023), 3023 states have call successors, (3023) [2023-11-06 21:55:39,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13103 states to 13103 states and 19112 transitions. [2023-11-06 21:55:39,934 INFO L78 Accepts]: Start accepts. Automaton has 13103 states and 19112 transitions. Word has length 107 [2023-11-06 21:55:39,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:39,935 INFO L495 AbstractCegarLoop]: Abstraction has 13103 states and 19112 transitions. [2023-11-06 21:55:39,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 13103 states and 19112 transitions. [2023-11-06 21:55:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 21:55:39,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:39,937 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:39,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:40,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 21:55:40,138 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:40,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:40,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1837858815, now seen corresponding path program 1 times [2023-11-06 21:55:40,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:40,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814539700] [2023-11-06 21:55:40,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:40,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:40,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:55:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:41,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:55:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:41,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:55:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:55:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:41,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:55:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:41,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:55:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:41,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:55:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:41,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:55:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:41,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:55:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:55:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:41,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:55:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:55:41,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:41,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814539700] [2023-11-06 21:55:41,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814539700] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:55:41,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100433149] [2023-11-06 21:55:41,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:41,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:41,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:41,205 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:41,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 21:55:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 4002 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:55:43,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:43,524 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:55:43,524 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:55:43,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100433149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:43,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:55:43,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:55:43,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056797570] [2023-11-06 21:55:43,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:43,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:43,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:43,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:43,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:43,527 INFO L87 Difference]: Start difference. First operand 13103 states and 19112 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:44,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:44,450 INFO L93 Difference]: Finished difference Result 13105 states and 19113 transitions. [2023-11-06 21:55:44,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:44,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2023-11-06 21:55:44,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:44,489 INFO L225 Difference]: With dead ends: 13105 [2023-11-06 21:55:44,489 INFO L226 Difference]: Without dead ends: 13102 [2023-11-06 21:55:44,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:44,498 INFO L413 NwaCegarLoop]: 8431 mSDtfsCounter, 8362 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8362 SdHoareTripleChecker+Valid, 8431 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:44,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8362 Valid, 8431 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:55:44,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13102 states. [2023-11-06 21:55:45,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13102 to 13102. [2023-11-06 21:55:45,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13102 states, 9480 states have (on average 1.3775316455696203) internal successors, (13059), 9592 states have internal predecessors, (13059), 3028 states have call successors, (3028), 594 states have call predecessors, (3028), 593 states have return successors, (3023), 3023 states have call predecessors, (3023), 3023 states have call successors, (3023) [2023-11-06 21:55:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13102 states to 13102 states and 19110 transitions. [2023-11-06 21:55:45,589 INFO L78 Accepts]: Start accepts. Automaton has 13102 states and 19110 transitions. Word has length 108 [2023-11-06 21:55:45,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:45,589 INFO L495 AbstractCegarLoop]: Abstraction has 13102 states and 19110 transitions. [2023-11-06 21:55:45,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:45,589 INFO L276 IsEmpty]: Start isEmpty. Operand 13102 states and 19110 transitions. [2023-11-06 21:55:45,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-06 21:55:45,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:45,592 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:45,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-06 21:55:45,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 21:55:45,813 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:45,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:45,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1136751250, now seen corresponding path program 1 times [2023-11-06 21:55:45,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:45,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752569784] [2023-11-06 21:55:45,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:45,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:46,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:55:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:46,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:55:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:46,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:55:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:46,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:55:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:55:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:46,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:55:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:55:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:55:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:55:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:55:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:46,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:55:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:55:46,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:46,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752569784] [2023-11-06 21:55:46,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752569784] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:55:46,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985587473] [2023-11-06 21:55:46,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:46,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:46,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:46,865 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:46,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 21:55:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:48,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 4004 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:55:48,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:55:49,175 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:55:49,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985587473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:49,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:55:49,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:55:49,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035101266] [2023-11-06 21:55:49,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:49,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:49,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:49,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:49,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:49,178 INFO L87 Difference]: Start difference. First operand 13102 states and 19110 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:50,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:50,121 INFO L93 Difference]: Finished difference Result 13104 states and 19111 transitions. [2023-11-06 21:55:50,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:50,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2023-11-06 21:55:50,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:50,163 INFO L225 Difference]: With dead ends: 13104 [2023-11-06 21:55:50,163 INFO L226 Difference]: Without dead ends: 13101 [2023-11-06 21:55:50,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:50,172 INFO L413 NwaCegarLoop]: 8429 mSDtfsCounter, 8359 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8359 SdHoareTripleChecker+Valid, 8429 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:50,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8359 Valid, 8429 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:55:50,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13101 states. [2023-11-06 21:55:51,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13101 to 13101. [2023-11-06 21:55:51,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13101 states, 9480 states have (on average 1.3774261603375528) internal successors, (13058), 9591 states have internal predecessors, (13058), 3027 states have call successors, (3027), 594 states have call predecessors, (3027), 593 states have return successors, (3023), 3023 states have call predecessors, (3023), 3023 states have call successors, (3023) [2023-11-06 21:55:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13101 states to 13101 states and 19108 transitions. [2023-11-06 21:55:51,222 INFO L78 Accepts]: Start accepts. Automaton has 13101 states and 19108 transitions. Word has length 109 [2023-11-06 21:55:51,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:51,223 INFO L495 AbstractCegarLoop]: Abstraction has 13101 states and 19108 transitions. [2023-11-06 21:55:51,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 13101 states and 19108 transitions. [2023-11-06 21:55:51,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-06 21:55:51,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:51,226 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:51,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:51,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 21:55:51,433 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:51,433 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:51,433 INFO L85 PathProgramCache]: Analyzing trace with hash 877258082, now seen corresponding path program 1 times [2023-11-06 21:55:51,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:51,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759765002] [2023-11-06 21:55:51,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:51,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:52,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:55:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:55:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:55:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:55:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:52,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:55:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:52,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:55:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:55:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:52,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:55:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:52,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:55:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:52,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:55:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:55:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:52,340 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:55:52,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:52,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759765002] [2023-11-06 21:55:52,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759765002] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:55:52,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476624692] [2023-11-06 21:55:52,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:52,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:52,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:52,346 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:52,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 21:55:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:54,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 4006 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:55:54,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:55:54,621 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:55:54,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476624692] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:54,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:55:54,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-06 21:55:54,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037586449] [2023-11-06 21:55:54,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:54,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:54,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:54,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:54,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:54,623 INFO L87 Difference]: Start difference. First operand 13101 states and 19108 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:55,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:55,612 INFO L93 Difference]: Finished difference Result 13103 states and 19109 transitions. [2023-11-06 21:55:55,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:55,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2023-11-06 21:55:55,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:55,654 INFO L225 Difference]: With dead ends: 13103 [2023-11-06 21:55:55,654 INFO L226 Difference]: Without dead ends: 13079 [2023-11-06 21:55:55,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:55,662 INFO L413 NwaCegarLoop]: 8428 mSDtfsCounter, 8356 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8356 SdHoareTripleChecker+Valid, 8428 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:55,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8356 Valid, 8428 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:55:55,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13079 states. [2023-11-06 21:55:56,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13079 to 13079. [2023-11-06 21:55:56,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13079 states, 9461 states have (on average 1.3777613360109926) internal successors, (13035), 9571 states have internal predecessors, (13035), 3025 states have call successors, (3025), 593 states have call predecessors, (3025), 592 states have return successors, (3022), 3022 states have call predecessors, (3022), 3022 states have call successors, (3022) [2023-11-06 21:55:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13079 states to 13079 states and 19082 transitions. [2023-11-06 21:55:56,875 INFO L78 Accepts]: Start accepts. Automaton has 13079 states and 19082 transitions. Word has length 110 [2023-11-06 21:55:56,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:56,876 INFO L495 AbstractCegarLoop]: Abstraction has 13079 states and 19082 transitions. [2023-11-06 21:55:56,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 13079 states and 19082 transitions. [2023-11-06 21:55:56,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 21:55:56,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:56,878 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:56,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:57,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 21:55:57,079 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:57,079 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:57,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1486364391, now seen corresponding path program 1 times [2023-11-06 21:55:57,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:57,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576236440] [2023-11-06 21:55:57,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:57,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:57,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:55:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:55:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:55:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:55:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:55:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:55:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:55:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:55:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:55:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:55:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:55:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 21:55:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-06 21:55:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-06 21:55:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-06 21:55:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:55:58,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:58,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576236440] [2023-11-06 21:55:58,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576236440] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:55:58,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775255005] [2023-11-06 21:55:58,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:58,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:58,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:58,209 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:58,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 21:56:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:00,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 4158 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 21:56:00,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:00,304 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:56:00,304 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:56:00,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775255005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:56:00,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:56:00,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2023-11-06 21:56:00,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453629920] [2023-11-06 21:56:00,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:56:00,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:56:00,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:56:00,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:56:00,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-11-06 21:56:00,307 INFO L87 Difference]: Start difference. First operand 13079 states and 19082 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 21:56:02,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:56:02,008 INFO L93 Difference]: Finished difference Result 26165 states and 38175 transitions. [2023-11-06 21:56:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:56:02,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 135 [2023-11-06 21:56:02,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:56:02,066 INFO L225 Difference]: With dead ends: 26165 [2023-11-06 21:56:02,066 INFO L226 Difference]: Without dead ends: 13079 [2023-11-06 21:56:02,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-11-06 21:56:02,140 INFO L413 NwaCegarLoop]: 8405 mSDtfsCounter, 8 mSDsluCounter, 33609 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 42014 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 21:56:02,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 42014 Invalid, 32 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 21:56:02,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13079 states. [2023-11-06 21:56:03,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13079 to 13079. [2023-11-06 21:56:03,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13079 states, 9461 states have (on average 1.3775499418666104) internal successors, (13033), 9571 states have internal predecessors, (13033), 3025 states have call successors, (3025), 593 states have call predecessors, (3025), 592 states have return successors, (3022), 3022 states have call predecessors, (3022), 3022 states have call successors, (3022) [2023-11-06 21:56:03,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13079 states to 13079 states and 19080 transitions. [2023-11-06 21:56:03,385 INFO L78 Accepts]: Start accepts. Automaton has 13079 states and 19080 transitions. Word has length 135 [2023-11-06 21:56:03,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:56:03,386 INFO L495 AbstractCegarLoop]: Abstraction has 13079 states and 19080 transitions. [2023-11-06 21:56:03,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 21:56:03,386 INFO L276 IsEmpty]: Start isEmpty. Operand 13079 states and 19080 transitions. [2023-11-06 21:56:03,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 21:56:03,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:56:03,388 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:56:03,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:03,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 21:56:03,597 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:56:03,597 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:03,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1839452773, now seen corresponding path program 1 times [2023-11-06 21:56:03,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:56:03,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994407375] [2023-11-06 21:56:03,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:03,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:56:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:56:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:56:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:56:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:56:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:56:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:56:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:56:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:56:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:56:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:56:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:56:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 21:56:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-06 21:56:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-06 21:56:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-06 21:56:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:56:04,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:56:04,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994407375] [2023-11-06 21:56:04,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994407375] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:56:04,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156730522] [2023-11-06 21:56:04,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:04,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:56:04,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:04,473 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:56:04,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 21:56:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:06,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 4157 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 21:56:06,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 21:56:06,451 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:56:06,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156730522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:56:06,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:56:06,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2023-11-06 21:56:06,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459104447] [2023-11-06 21:56:06,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:56:06,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:56:06,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:56:06,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:56:06,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-06 21:56:06,453 INFO L87 Difference]: Start difference. First operand 13079 states and 19080 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 21:56:07,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:56:07,531 INFO L93 Difference]: Finished difference Result 26228 states and 38276 transitions. [2023-11-06 21:56:07,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:56:07,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 135 [2023-11-06 21:56:07,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:56:07,572 INFO L225 Difference]: With dead ends: 26228 [2023-11-06 21:56:07,572 INFO L226 Difference]: Without dead ends: 13152 [2023-11-06 21:56:07,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-06 21:56:07,610 INFO L413 NwaCegarLoop]: 8524 mSDtfsCounter, 138 mSDsluCounter, 16875 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 25399 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:56:07,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 25399 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:56:07,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13152 states. [2023-11-06 21:56:08,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13152 to 13079. [2023-11-06 21:56:08,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13079 states, 9461 states have (on average 1.3773385477222282) internal successors, (13031), 9571 states have internal predecessors, (13031), 3025 states have call successors, (3025), 593 states have call predecessors, (3025), 592 states have return successors, (3022), 3022 states have call predecessors, (3022), 3022 states have call successors, (3022) [2023-11-06 21:56:08,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13079 states to 13079 states and 19078 transitions. [2023-11-06 21:56:08,921 INFO L78 Accepts]: Start accepts. Automaton has 13079 states and 19078 transitions. Word has length 135 [2023-11-06 21:56:08,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:56:08,922 INFO L495 AbstractCegarLoop]: Abstraction has 13079 states and 19078 transitions. [2023-11-06 21:56:08,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 21:56:08,922 INFO L276 IsEmpty]: Start isEmpty. Operand 13079 states and 19078 transitions. [2023-11-06 21:56:08,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 21:56:08,924 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:56:08,925 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:56:08,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:09,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 21:56:09,133 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:56:09,133 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:09,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1198598108, now seen corresponding path program 1 times [2023-11-06 21:56:09,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:56:09,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401871295] [2023-11-06 21:56:09,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:09,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:56:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:56:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:09,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:56:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:09,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:56:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:09,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:56:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:56:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:09,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:56:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:09,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:56:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:09,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:56:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:09,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:56:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:09,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:56:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:10,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:56:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:10,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-06 21:56:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-06 21:56:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:10,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 21:56:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:10,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-06 21:56:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:10,082 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-06 21:56:10,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:56:10,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401871295] [2023-11-06 21:56:10,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401871295] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:56:10,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106745539] [2023-11-06 21:56:10,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:10,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:56:10,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,085 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 21:56:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:12,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 4189 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 21:56:12,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-06 21:56:12,139 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:56:12,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106745539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:56:12,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:56:12,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-06 21:56:12,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23265416] [2023-11-06 21:56:12,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:56:12,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:56:12,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:56:12,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:56:12,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:56:12,142 INFO L87 Difference]: Start difference. First operand 13079 states and 19078 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 21:56:13,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:56:13,245 INFO L93 Difference]: Finished difference Result 13081 states and 19079 transitions. [2023-11-06 21:56:13,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:56:13,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2023-11-06 21:56:13,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:56:13,281 INFO L225 Difference]: With dead ends: 13081 [2023-11-06 21:56:13,281 INFO L226 Difference]: Without dead ends: 13078 [2023-11-06 21:56:13,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:56:13,286 INFO L413 NwaCegarLoop]: 8430 mSDtfsCounter, 8180 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8180 SdHoareTripleChecker+Valid, 8652 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:56:13,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8180 Valid, 8652 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:56:13,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13078 states. [2023-11-06 21:56:14,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13078 to 13078. [2023-11-06 21:56:14,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13078 states, 9461 states have (on average 1.377127153577846) internal successors, (13029), 9570 states have internal predecessors, (13029), 3024 states have call successors, (3024), 593 states have call predecessors, (3024), 592 states have return successors, (3022), 3022 states have call predecessors, (3022), 3022 states have call successors, (3022) [2023-11-06 21:56:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13078 states to 13078 states and 19075 transitions. [2023-11-06 21:56:14,779 INFO L78 Accepts]: Start accepts. Automaton has 13078 states and 19075 transitions. Word has length 137 [2023-11-06 21:56:14,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:56:14,779 INFO L495 AbstractCegarLoop]: Abstraction has 13078 states and 19075 transitions. [2023-11-06 21:56:14,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 21:56:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 13078 states and 19075 transitions. [2023-11-06 21:56:14,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-06 21:56:14,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:56:14,783 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:56:14,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:14,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:56:14,984 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:56:14,984 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:14,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1015584315, now seen corresponding path program 1 times [2023-11-06 21:56:14,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:56:14,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150490980] [2023-11-06 21:56:14,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:14,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:56:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:15,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:56:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:56:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:56:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:56:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:56:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:56:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:56:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:56:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:56:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:56:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:56:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 21:56:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 21:56:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 21:56:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-06 21:56:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:56:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 21:56:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 21:56:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-06 21:56:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-06 21:56:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-06 21:56:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-11-06 21:56:16,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:56:16,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150490980] [2023-11-06 21:56:16,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150490980] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:56:16,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548732427] [2023-11-06 21:56:16,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:16,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:56:16,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:16,405 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:56:16,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 21:56:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:18,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 4705 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 21:56:18,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:18,528 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-11-06 21:56:18,529 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:56:18,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548732427] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:56:18,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:56:18,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-06 21:56:18,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473807959] [2023-11-06 21:56:18,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:56:18,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:56:18,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:56:18,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:56:18,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:56:18,531 INFO L87 Difference]: Start difference. First operand 13078 states and 19075 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 21:56:19,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:56:19,970 INFO L93 Difference]: Finished difference Result 29375 states and 42286 transitions. [2023-11-06 21:56:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:56:19,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 207 [2023-11-06 21:56:19,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:56:20,016 INFO L225 Difference]: With dead ends: 29375 [2023-11-06 21:56:20,017 INFO L226 Difference]: Without dead ends: 16300 [2023-11-06 21:56:20,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:56:20,049 INFO L413 NwaCegarLoop]: 9232 mSDtfsCounter, 8279 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8279 SdHoareTripleChecker+Valid, 10854 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:56:20,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8279 Valid, 10854 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:56:20,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16300 states. [2023-11-06 21:56:21,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16300 to 16296. [2023-11-06 21:56:21,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16296 states, 11663 states have (on average 1.3532538797907914) internal successors, (15783), 11804 states have internal predecessors, (15783), 3714 states have call successors, (3714), 919 states have call predecessors, (3714), 918 states have return successors, (3712), 3712 states have call predecessors, (3712), 3712 states have call successors, (3712) [2023-11-06 21:56:21,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16296 states to 16296 states and 23209 transitions. [2023-11-06 21:56:21,656 INFO L78 Accepts]: Start accepts. Automaton has 16296 states and 23209 transitions. Word has length 207 [2023-11-06 21:56:21,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:56:21,656 INFO L495 AbstractCegarLoop]: Abstraction has 16296 states and 23209 transitions. [2023-11-06 21:56:21,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 21:56:21,657 INFO L276 IsEmpty]: Start isEmpty. Operand 16296 states and 23209 transitions. [2023-11-06 21:56:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-06 21:56:21,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:56:21,663 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:56:21,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:21,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:56:21,877 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:56:21,877 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:21,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1946051796, now seen corresponding path program 1 times [2023-11-06 21:56:21,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:56:21,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627771582] [2023-11-06 21:56:21,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:21,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:56:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 21:56:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:56:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:56:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:56:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:56:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 21:56:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 21:56:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:56:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:56:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:56:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 21:56:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-06 21:56:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-06 21:56:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 21:56:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-06 21:56:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-06 21:56:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-06 21:56:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-06 21:56:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 21:56:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-06 21:56:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-06 21:56:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:23,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:56:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 21:56:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 21:56:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:23,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-06 21:56:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-06 21:56:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:23,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-06 21:56:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:56:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2023-11-06 21:56:23,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:56:23,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627771582] [2023-11-06 21:56:23,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627771582] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:56:23,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565010612] [2023-11-06 21:56:23,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:23,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:56:23,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:23,048 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:56:23,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 21:56:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:25,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 4900 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:56:25,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-06 21:56:25,271 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:56:25,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565010612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:56:25,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:56:25,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-06 21:56:25,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556106186] [2023-11-06 21:56:25,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:56:25,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:56:25,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:56:25,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:56:25,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:56:25,273 INFO L87 Difference]: Start difference. First operand 16296 states and 23209 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-06 21:56:26,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:56:26,472 INFO L93 Difference]: Finished difference Result 16298 states and 23210 transitions. [2023-11-06 21:56:26,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:56:26,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 256 [2023-11-06 21:56:26,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:56:26,656 INFO L225 Difference]: With dead ends: 16298 [2023-11-06 21:56:26,656 INFO L226 Difference]: Without dead ends: 16295 [2023-11-06 21:56:26,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:56:26,661 INFO L413 NwaCegarLoop]: 8404 mSDtfsCounter, 169 mSDsluCounter, 8237 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 16641 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:56:26,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 16641 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:56:26,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16295 states. [2023-11-06 21:56:27,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16295 to 16295. [2023-11-06 21:56:27,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16295 states, 11663 states have (on average 1.35256794992712) internal successors, (15775), 11803 states have internal predecessors, (15775), 3713 states have call successors, (3713), 919 states have call predecessors, (3713), 918 states have return successors, (3712), 3712 states have call predecessors, (3712), 3712 states have call successors, (3712) [2023-11-06 21:56:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16295 states to 16295 states and 23200 transitions. [2023-11-06 21:56:28,033 INFO L78 Accepts]: Start accepts. Automaton has 16295 states and 23200 transitions. Word has length 256 [2023-11-06 21:56:28,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:56:28,033 INFO L495 AbstractCegarLoop]: Abstraction has 16295 states and 23200 transitions. [2023-11-06 21:56:28,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-06 21:56:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 16295 states and 23200 transitions. [2023-11-06 21:56:28,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 793 [2023-11-06 21:56:28,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:56:28,081 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:56:28,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:28,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed5c92ba-c852-4b07-8e8e-405fb4478a5e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:56:28,300 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:56:28,301 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:28,301 INFO L85 PathProgramCache]: Analyzing trace with hash 852230007, now seen corresponding path program 1 times [2023-11-06 21:56:28,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:56:28,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948366930] [2023-11-06 21:56:28,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:28,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:56:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat