./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-scsi-gdth-ko--111_1a--5934df9-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-scsi-gdth-ko--111_1a--5934df9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 643ea69613069b44044d1e8077c8694db10284b15e5bfc5694c73339420036ee --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:23:36,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:23:36,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 19:23:36,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:23:36,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:23:36,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:23:36,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:23:36,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:23:36,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:23:36,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:23:36,478 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:23:36,478 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:23:36,479 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:23:36,479 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:23:36,480 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:23:36,480 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:23:36,481 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:23:36,481 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:23:36,482 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:23:36,482 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:23:36,483 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:23:36,484 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:23:36,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:23:36,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:23:36,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:23:36,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:23:36,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:23:36,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:23:36,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:23:36,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:23:36,488 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:23:36,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:23:36,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:23:36,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:23:36,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:23:36,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:23:36,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:23:36,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:23:36,497 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:23:36,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:23:36,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:23:36,498 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:23:36,498 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:23:36,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:23:36,499 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 643ea69613069b44044d1e8077c8694db10284b15e5bfc5694c73339420036ee [2023-12-02 19:23:36,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:23:36,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:23:36,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:23:36,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:23:36,750 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:23:36,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-scsi-gdth-ko--111_1a--5934df9-1.i [2023-12-02 19:23:39,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:23:40,034 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:23:40,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/sv-benchmarks/c/ldv-commit-tester/m0_drivers-scsi-gdth-ko--111_1a--5934df9-1.i [2023-12-02 19:23:40,075 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/data/a4b9a41f0/e9f7aa8240d94a18a3912103641ca669/FLAG130fd4435 [2023-12-02 19:23:40,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/data/a4b9a41f0/e9f7aa8240d94a18a3912103641ca669 [2023-12-02 19:23:40,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:23:40,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:23:40,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:23:40,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:23:40,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:23:40,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:23:40" (1/1) ... [2023-12-02 19:23:40,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36786674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:40, skipping insertion in model container [2023-12-02 19:23:40,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:23:40" (1/1) ... [2023-12-02 19:23:40,265 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:23:42,365 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_19384e82-f40a-46d5-b518-6dc70828d2e8/sv-benchmarks/c/ldv-commit-tester/m0_drivers-scsi-gdth-ko--111_1a--5934df9-1.i[354483,354496] [2023-12-02 19:23:42,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:23:42,468 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:23:42,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4495] [2023-12-02 19:23:42,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [4502] [2023-12-02 19:23:42,580 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/vladimir/commit-test/commit-test-work/task-064--linux-stable--dir/inst/current/envs/linux-stable-5934df9-1/linux-stable-5934df9-1/arch/x86/include/asm/paravirt.h"), "i" (834), "i" (12UL)); [4568-4569] [2023-12-02 19:23:42,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4574-4576] [2023-12-02 19:23:42,581 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/vladimir/commit-test/commit-test-work/task-064--linux-stable--dir/inst/current/envs/linux-stable-5934df9-1/linux-stable-5934df9-1/arch/x86/include/asm/paravirt.h"), "i" (839), "i" (12UL)); [4598-4599] [2023-12-02 19:23:42,581 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" (47UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [4604-4606] [2023-12-02 19:23:42,582 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/vladimir/commit-test/commit-test-work/task-064--linux-stable--dir/inst/current/envs/linux-stable-5934df9-1/linux-stable-5934df9-1/arch/x86/include/asm/paravirt.h"), "i" (844), "i" (12UL)); [4627-4628] [2023-12-02 19:23:42,583 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" (48UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4633-4635] [2023-12-02 19:23:42,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [4693] [2023-12-02 19:23:42,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4696] [2023-12-02 19:23:42,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4699] [2023-12-02 19:23:42,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4702] [2023-12-02 19:23:42,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4769] [2023-12-02 19:23:42,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [4777] [2023-12-02 19:23:42,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4785] [2023-12-02 19:23:42,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [4792] [2023-12-02 19:23:42,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [4799] [2023-12-02 19:23:42,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4806] [2023-12-02 19:23:42,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4840] [2023-12-02 19:23:42,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4848] [2023-12-02 19:23:42,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [4856] [2023-12-02 19:23:42,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [4863] [2023-12-02 19:23:42,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [4871] [2023-12-02 19:23:42,607 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" (96), "i" (12UL)); [5173-5174] [2023-12-02 19:23:42,607 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" (97), "i" (12UL)); [5181-5182] [2023-12-02 19:23:42,611 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" (35), "i" (12UL)); [5257-5258] [2023-12-02 19:23:42,613 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" (51), "i" (12UL)); [5304-5305] [2023-12-02 19:23:42,614 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" (64), "i" (12UL)); [5329-5330] [2023-12-02 19:23:42,615 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" (78), "i" (12UL)); [5363-5364] [2023-12-02 19:23:42,616 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" (90), "i" (12UL)); [5387-5388] [2023-12-02 19:23:42,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5707] [2023-12-02 19:23:42,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5715] [2023-12-02 19:23:42,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5718] [2023-12-02 19:23:42,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6854] [2023-12-02 19:23:42,682 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ha->list.next) [6891] [2023-12-02 19:23:42,683 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/vladimir/commit-test/commit-test-work/task-064--linux-stable--dir/work/current--X--drivers/scsi/gdth.ko--X--defaultlinux-stable-5934df9-1--X--111_1a--X--cpachecker/linux-stable-5934df9-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/111_1a/drivers/scsi/gdth.c.prepared"), "i" (423), "i" (12UL)); [6937-6938] [2023-12-02 19:23:42,954 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/vladimir/commit-test/commit-test-work/task-064--linux-stable--dir/work/current--X--drivers/scsi/gdth.ko--X--defaultlinux-stable-5934df9-1--X--111_1a--X--cpachecker/linux-stable-5934df9-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/111_1a/drivers/scsi/gdth.c.prepared"), "i" (4022), "i" (12UL)); [10737-10738] [2023-12-02 19:23:42,956 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ha->list.next) [10782] [2023-12-02 19:23:42,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [11387] [2023-12-02 19:23:42,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [11390] [2023-12-02 19:23:42,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [11393] [2023-12-02 19:23:42,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [11396] [2023-12-02 19:23:42,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [11399] [2023-12-02 19:23:42,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)argp): "ebx"); [11414-11415] [2023-12-02 19:23:42,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)argp): "ebx"); [11418-11419] [2023-12-02 19:23:42,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)argp): "ebx"); [11422-11423] [2023-12-02 19:23:42,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)argp): "ebx"); [11426-11427] [2023-12-02 19:23:42,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)argp): "ebx"); [11430-11431] [2023-12-02 19:23:43,007 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ha->list.next) [11845] [2023-12-02 19:23:43,009 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ha->list.next) [11881] [2023-12-02 19:23:43,011 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ha->list.next) [11913] [2023-12-02 19:23:43,015 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_19384e82-f40a-46d5-b518-6dc70828d2e8/sv-benchmarks/c/ldv-commit-tester/m0_drivers-scsi-gdth-ko--111_1a--5934df9-1.i[354483,354496] [2023-12-02 19:23:43,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:23:43,140 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:23:43,141 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:23:43,141 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:23:43,141 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:23:43,141 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:23:43,141 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:23:43,141 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:23:43,149 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:23:43,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43 WrapperNode [2023-12-02 19:23:43,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:23:43,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:23:43,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:23:43,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:23:43,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43" (1/1) ... [2023-12-02 19:23:43,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43" (1/1) ... [2023-12-02 19:23:43,654 INFO L138 Inliner]: procedures = 295, calls = 5932, calls flagged for inlining = 140, calls inlined = 133, statements flattened = 11303 [2023-12-02 19:23:43,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:23:43,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:23:43,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:23:43,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:23:43,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43" (1/1) ... [2023-12-02 19:23:43,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43" (1/1) ... [2023-12-02 19:23:43,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43" (1/1) ... [2023-12-02 19:23:43,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43" (1/1) ... [2023-12-02 19:23:44,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43" (1/1) ... [2023-12-02 19:23:44,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43" (1/1) ... [2023-12-02 19:23:44,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43" (1/1) ... [2023-12-02 19:23:44,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43" (1/1) ... [2023-12-02 19:23:44,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:23:44,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:23:44,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:23:44,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:23:44,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43" (1/1) ... [2023-12-02 19:23:44,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:23:44,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:23:44,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:23:44,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:23:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-12-02 19:23:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-12-02 19:23:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_putq [2023-12-02 19:23:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_putq [2023-12-02 19:23:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure __gdth_interrupt [2023-12-02 19:23:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __gdth_interrupt [2023-12-02 19:23:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-02 19:23:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-02 19:23:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 19:23:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 19:23:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_ioctl_free [2023-12-02 19:23:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_ioctl_free [2023-12-02 19:23:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-12-02 19:23:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-12-02 19:23:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_scsi_done [2023-12-02 19:23:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_scsi_done [2023-12-02 19:23:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure __gdth_queuecommand [2023-12-02 19:23:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __gdth_queuecommand [2023-12-02 19:23:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_fill_cache_cmd [2023-12-02 19:23:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_fill_cache_cmd [2023-12-02 19:23:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 19:23:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 19:23:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_store_event [2023-12-02 19:23:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_store_event [2023-12-02 19:23:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2023-12-02 19:23:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2023-12-02 19:23:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_pci_remove_one [2023-12-02 19:23:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_pci_remove_one [2023-12-02 19:23:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-12-02 19:23:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-12-02 19:23:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2023-12-02 19:23:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2023-12-02 19:23:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-12-02 19:23:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-12-02 19:23:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_wait [2023-12-02 19:23:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_wait [2023-12-02 19:23:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-12-02 19:23:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-12-02 19:23:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 19:23:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 19:23:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2023-12-02 19:23:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2023-12-02 19:23:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 19:23:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 19:23:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_fill_raw_cmd [2023-12-02 19:23:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_fill_raw_cmd [2023-12-02 19:23:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2023-12-02 19:23:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2023-12-02 19:23:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_delay [2023-12-02 19:23:44,353 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_delay [2023-12-02 19:23:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-12-02 19:23:44,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-12-02 19:23:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-12-02 19:23:44,354 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-12-02 19:23:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 19:23:44,354 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 19:23:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_ioctl_alloc [2023-12-02 19:23:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_ioctl_alloc [2023-12-02 19:23:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure _lock_kernel [2023-12-02 19:23:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure _lock_kernel [2023-12-02 19:23:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:23:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-12-02 19:23:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_flush [2023-12-02 19:23:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_flush [2023-12-02 19:23:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 19:23:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-12-02 19:23:44,357 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-12-02 19:23:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_internal_cmd [2023-12-02 19:23:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_internal_cmd [2023-12-02 19:23:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 19:23:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure _unlock_kernel [2023-12-02 19:23:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure _unlock_kernel [2023-12-02 19:23:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-12-02 19:23:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-12-02 19:23:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 19:23:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 19:23:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-12-02 19:23:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-12-02 19:23:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 19:23:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 19:23:44,361 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_eval_mapping [2023-12-02 19:23:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_eval_mapping [2023-12-02 19:23:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:23:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-12-02 19:23:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-12-02 19:23:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 19:23:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2023-12-02 19:23:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2023-12-02 19:23:44,363 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-12-02 19:23:44,364 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-12-02 19:23:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 19:23:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 19:23:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_remove_one [2023-12-02 19:23:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_remove_one [2023-12-02 19:23:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-12-02 19:23:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-12-02 19:23:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 19:23:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 19:23:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_next [2023-12-02 19:23:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_next [2023-12-02 19:23:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 19:23:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 19:23:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-12-02 19:23:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-12-02 19:23:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-12-02 19:23:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-12-02 19:23:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-12-02 19:23:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-12-02 19:23:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 19:23:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure raw_local_irq_restore [2023-12-02 19:23:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_local_irq_restore [2023-12-02 19:23:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 19:23:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 19:23:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-12-02 19:23:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-12-02 19:23:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-12-02 19:23:44,379 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-12-02 19:23:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 19:23:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure raw_irqs_disabled_flags [2023-12-02 19:23:44,379 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_irqs_disabled_flags [2023-12-02 19:23:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:23:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_set_sema0 [2023-12-02 19:23:44,380 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_set_sema0 [2023-12-02 19:23:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_log_event [2023-12-02 19:23:44,380 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_log_event [2023-12-02 19:23:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 19:23:44,380 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 19:23:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_cmnd_priv [2023-12-02 19:23:44,380 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_cmnd_priv [2023-12-02 19:23:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure memset_io [2023-12-02 19:23:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_io [2023-12-02 19:23:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-12-02 19:23:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-12-02 19:23:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 19:23:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 19:23:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-12-02 19:23:44,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-12-02 19:23:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2023-12-02 19:23:44,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2023-12-02 19:23:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:23:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-12-02 19:23:44,382 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-12-02 19:23:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-12-02 19:23:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-12-02 19:23:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2023-12-02 19:23:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2023-12-02 19:23:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 19:23:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 19:23:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-12-02 19:23:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-12-02 19:23:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_test_busy [2023-12-02 19:23:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_test_busy [2023-12-02 19:23:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_eh_bus_reset [2023-12-02 19:23:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_eh_bus_reset [2023-12-02 19:23:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_wait_completion [2023-12-02 19:23:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_wait_completion [2023-12-02 19:23:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 19:23:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2023-12-02 19:23:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2023-12-02 19:23:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2023-12-02 19:23:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:23:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_free_host_dev [2023-12-02 19:23:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_free_host_dev [2023-12-02 19:23:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_find_ha [2023-12-02 19:23:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_find_ha [2023-12-02 19:23:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_execute [2023-12-02 19:23:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_execute [2023-12-02 19:23:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 19:23:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 19:23:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_local_save_flags [2023-12-02 19:23:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_local_save_flags [2023-12-02 19:23:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 19:23:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 19:23:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_get_cmd_index [2023-12-02 19:23:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_get_cmd_index [2023-12-02 19:23:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 19:23:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 19:23:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_get_host_dev [2023-12-02 19:23:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_get_host_dev [2023-12-02 19:23:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-12-02 19:23:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-12-02 19:23:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-12-02 19:23:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-12-02 19:23:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure __gdth_execute [2023-12-02 19:23:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __gdth_execute [2023-12-02 19:23:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-12-02 19:23:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-12-02 19:23:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-12-02 19:23:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-12-02 19:23:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_copy_internal_data [2023-12-02 19:23:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_copy_internal_data [2023-12-02 19:23:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_read_event [2023-12-02 19:23:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_read_event [2023-12-02 19:23:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-12-02 19:23:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-12-02 19:23:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_5 [2023-12-02 19:23:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_5 [2023-12-02 19:23:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 19:23:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 19:23:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-12-02 19:23:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-12-02 19:23:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-12-02 19:23:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-12-02 19:23:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-12-02 19:23:44,392 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-12-02 19:23:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-12-02 19:23:44,392 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-12-02 19:23:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-12-02 19:23:44,392 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-12-02 19:23:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2023-12-02 19:23:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2023-12-02 19:23:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:23:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_copy_command [2023-12-02 19:23:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_copy_command [2023-12-02 19:23:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-12-02 19:23:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-12-02 19:23:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-12-02 19:23:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-12-02 19:23:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_release_event [2023-12-02 19:23:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_release_event [2023-12-02 19:23:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-12-02 19:23:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-12-02 19:23:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure gdth_clear_events [2023-12-02 19:23:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure gdth_clear_events [2023-12-02 19:23:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-12-02 19:23:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-12-02 19:23:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:23:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:23:45,418 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:23:45,422 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:24:18,123 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:24:21,426 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:24:21,426 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:24:21,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:24:21 BoogieIcfgContainer [2023-12-02 19:24:21,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:24:21,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:24:21,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:24:21,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:24:21,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:23:40" (1/3) ... [2023-12-02 19:24:21,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395acdf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:24:21, skipping insertion in model container [2023-12-02 19:24:21,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:43" (2/3) ... [2023-12-02 19:24:21,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395acdf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:24:21, skipping insertion in model container [2023-12-02 19:24:21,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:24:21" (3/3) ... [2023-12-02 19:24:21,436 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-scsi-gdth-ko--111_1a--5934df9-1.i [2023-12-02 19:24:21,451 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:24:21,451 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:24:21,545 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:24:21,551 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f9e0784, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:24:21,552 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:24:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 2237 states, 1366 states have (on average 1.3513909224011713) internal successors, (1846), 1434 states have internal predecessors, (1846), 765 states have call successors, (765), 104 states have call predecessors, (765), 104 states have return successors, (765), 739 states have call predecessors, (765), 765 states have call successors, (765) [2023-12-02 19:24:21,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 19:24:21,582 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:24:21,583 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:24:21,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:24:21,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:24:21,589 INFO L85 PathProgramCache]: Analyzing trace with hash 940889543, now seen corresponding path program 1 times [2023-12-02 19:24:21,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:24:21,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273163712] [2023-12-02 19:24:21,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:24:21,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:24:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:24:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 19:24:22,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:24:22,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273163712] [2023-12-02 19:24:22,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273163712] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:24:22,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:24:22,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:24:22,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72095956] [2023-12-02 19:24:22,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:24:22,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:24:22,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:24:22,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:24:22,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:24:22,282 INFO L87 Difference]: Start difference. First operand has 2237 states, 1366 states have (on average 1.3513909224011713) internal successors, (1846), 1434 states have internal predecessors, (1846), 765 states have call successors, (765), 104 states have call predecessors, (765), 104 states have return successors, (765), 739 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 19:24:24,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:24:30,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:24:32,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:24:34,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:24:34,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:24:34,895 INFO L93 Difference]: Finished difference Result 4440 states and 6807 transitions. [2023-12-02 19:24:34,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:24:34,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2023-12-02 19:24:34,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:24:34,924 INFO L225 Difference]: With dead ends: 4440 [2023-12-02 19:24:34,924 INFO L226 Difference]: Without dead ends: 2194 [2023-12-02 19:24:34,945 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 [2023-12-02 19:24:34,948 INFO L413 NwaCegarLoop]: 3035 mSDtfsCounter, 3333 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 3035 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-12-02 19:24:34,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3333 Valid, 3035 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 297 Invalid, 4 Unknown, 0 Unchecked, 12.4s Time] [2023-12-02 19:24:34,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2194 states. [2023-12-02 19:24:35,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2194 to 2194. [2023-12-02 19:24:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2194 states, 1334 states have (on average 1.3395802098950524) internal successors, (1787), 1400 states have internal predecessors, (1787), 757 states have call successors, (757), 102 states have call predecessors, (757), 102 states have return successors, (757), 731 states have call predecessors, (757), 757 states have call successors, (757) [2023-12-02 19:24:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 2194 states and 3301 transitions. [2023-12-02 19:24:35,174 INFO L78 Accepts]: Start accepts. Automaton has 2194 states and 3301 transitions. Word has length 40 [2023-12-02 19:24:35,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:24:35,176 INFO L495 AbstractCegarLoop]: Abstraction has 2194 states and 3301 transitions. [2023-12-02 19:24:35,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 19:24:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 3301 transitions. [2023-12-02 19:24:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 19:24:35,181 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:24:35,182 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:24:35,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:24:35,182 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:24:35,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:24:35,183 INFO L85 PathProgramCache]: Analyzing trace with hash -566842423, now seen corresponding path program 1 times [2023-12-02 19:24:35,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:24:35,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830099222] [2023-12-02 19:24:35,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:24:35,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:24:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:24:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 19:24:36,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:24:36,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830099222] [2023-12-02 19:24:36,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830099222] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:24:36,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:24:36,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:24:36,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33770081] [2023-12-02 19:24:36,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:24:36,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:24:36,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:24:36,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:24:36,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:24:36,174 INFO L87 Difference]: Start difference. First operand 2194 states and 3301 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-12-02 19:24:39,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:24:41,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:24:43,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:24:55,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:24:57,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:24:59,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:25:01,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:25:03,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:25:05,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:25:07,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:25:09,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:25:11,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:25:14,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 19:25:16,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 19:25:16,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:25:16,851 INFO L93 Difference]: Finished difference Result 4385 states and 6680 transitions. [2023-12-02 19:25:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 19:25:16,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 45 [2023-12-02 19:25:16,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:25:16,875 INFO L225 Difference]: With dead ends: 4385 [2023-12-02 19:25:16,875 INFO L226 Difference]: Without dead ends: 2200 [2023-12-02 19:25:16,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:25:16,892 INFO L413 NwaCegarLoop]: 2990 mSDtfsCounter, 6 mSDsluCounter, 5964 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 13 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8954 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2023-12-02 19:25:16,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8954 Invalid, 949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 923 Invalid, 13 Unknown, 0 Unchecked, 40.4s Time] [2023-12-02 19:25:16,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2200 states. [2023-12-02 19:25:17,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2200 to 2200. [2023-12-02 19:25:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2200 states, 1338 states have (on average 1.3408071748878925) internal successors, (1794), 1405 states have internal predecessors, (1794), 757 states have call successors, (757), 103 states have call predecessors, (757), 104 states have return successors, (770), 731 states have call predecessors, (770), 757 states have call successors, (770) [2023-12-02 19:25:17,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 3321 transitions. [2023-12-02 19:25:17,032 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 3321 transitions. Word has length 45 [2023-12-02 19:25:17,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:25:17,033 INFO L495 AbstractCegarLoop]: Abstraction has 2200 states and 3321 transitions. [2023-12-02 19:25:17,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-12-02 19:25:17,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 3321 transitions. [2023-12-02 19:25:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 19:25:17,037 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:25:17,037 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:25:17,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 19:25:17,038 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:25:17,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:25:17,038 INFO L85 PathProgramCache]: Analyzing trace with hash 114677303, now seen corresponding path program 1 times [2023-12-02 19:25:17,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:25:17,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473772993] [2023-12-02 19:25:17,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:25:17,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:25:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:25:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 19:25:18,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:25:18,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473772993] [2023-12-02 19:25:18,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473772993] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:25:18,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281864779] [2023-12-02 19:25:18,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:25:18,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:25:18,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:25:18,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:25:18,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19384e82-f40a-46d5-b518-6dc70828d2e8/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:25:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:25:20,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 3890 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 19:25:20,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:25:20,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 19:25:20,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:25:20,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 19:25:20,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281864779] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:25:20,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1614727077] [2023-12-02 19:25:20,447 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2023-12-02 19:25:20,447 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 19:25:20,450 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 19:25:20,455 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 19:25:20,456 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 19:28:17,672 WARN L293 SmtUtils]: Spent 7.67s on a formula simplification that was a NOOP. DAG size: 4079 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:28:25,294 WARN L293 SmtUtils]: Spent 7.59s on a formula simplification that was a NOOP. DAG size: 4079 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:28:32,931 WARN L293 SmtUtils]: Spent 7.59s on a formula simplification that was a NOOP. DAG size: 4079 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:28:40,193 WARN L293 SmtUtils]: Spent 7.25s on a formula simplification that was a NOOP. DAG size: 4079 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:28:47,473 WARN L293 SmtUtils]: Spent 7.27s on a formula simplification that was a NOOP. DAG size: 4079 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:28:55,400 WARN L293 SmtUtils]: Spent 7.90s on a formula simplification that was a NOOP. DAG size: 4079 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:32:21,844 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 4109 DAG size of output: 4107 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)