./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/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_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/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_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/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 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:54:29,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:54:29,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 21:54:29,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:54:29,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:54:29,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:54:29,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:54:29,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:54:29,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:54:29,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:54:29,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:54:29,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:54:29,296 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:54:29,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:54:29,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:54:29,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:54:29,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:54:29,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:54:29,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:54:29,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:54:29,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:54:29,302 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:54:29,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:54:29,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:54:29,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:54:29,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:54:29,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:54:29,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:54:29,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:54:29,306 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:54:29,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:54:29,308 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:54:29,308 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:54:29,309 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:54:29,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:54:29,309 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:54:29,310 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_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6 [2023-11-06 21:54:29,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:54:29,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:54:29,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:54:29,642 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:54:29,644 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:54:29,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2023-11-06 21:54:33,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:54:33,752 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:54:33,753 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2023-11-06 21:54:33,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/bin/uautomizer-verify-WvqO1wxjHP/data/3f3f4bed5/21978ab8e8a2409ea25858545add453d/FLAG123f3c30a [2023-11-06 21:54:33,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/bin/uautomizer-verify-WvqO1wxjHP/data/3f3f4bed5/21978ab8e8a2409ea25858545add453d [2023-11-06 21:54:33,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:54:33,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:54:33,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:54:33,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:54:33,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:54:33,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:54:33" (1/1) ... [2023-11-06 21:54:33,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d28a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:33, skipping insertion in model container [2023-11-06 21:54:33,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:54:33" (1/1) ... [2023-11-06 21:54:34,175 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:54:34,889 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571] [2023-11-06 21:54:34,889 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4572-4573] [2023-11-06 21:54:35,498 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_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873] [2023-11-06 21:54:36,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:54:36,974 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:54:37,105 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571] [2023-11-06 21:54:37,105 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4572-4573] [2023-11-06 21:54:37,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4666] [2023-11-06 21:54:37,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4669] [2023-11-06 21:54:37,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4672] [2023-11-06 21:54:37,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4675] [2023-11-06 21:54:37,114 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [4704-4705] [2023-11-06 21:54:37,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4710-4712] [2023-11-06 21:54:37,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4796] [2023-11-06 21:54:37,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4804] [2023-11-06 21:54:37,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4811] [2023-11-06 21:54:37,126 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_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873] [2023-11-06 21:54:37,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [5798] [2023-11-06 21:54:37,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [6699-6700] [2023-11-06 21:54:37,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [6704-6705] [2023-11-06 21:54:37,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [6709-6710] [2023-11-06 21:54:37,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [6714-6715] [2023-11-06 21:54:37,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [6787] [2023-11-06 21:54:37,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6806] [2023-11-06 21:54:37,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6808] [2023-11-06 21:54:37,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [6868] [2023-11-06 21:54:37,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6904] [2023-11-06 21:54:37,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6906] [2023-11-06 21:54:37,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [6914] [2023-11-06 21:54:37,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [6923] [2023-11-06 21:54:37,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (user_msg), "i" (4UL)); [7318-7319] [2023-11-06 21:54:37,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (user_reply), "i" (4UL)); [7338-7339] [2023-11-06 21:54:37,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" (user_msg), "i" (4UL)); [7442-7443] [2023-11-06 21:54:37,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7747] [2023-11-06 21:54:37,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7821] [2023-11-06 21:54:37,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7822] [2023-11-06 21:54:37,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/5440/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/dpt_i2o.o.c.prepared"), "i" (2350), "i" (12UL)); [7921-7922] [2023-11-06 21:54:37,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8526] [2023-11-06 21:54:37,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8548] [2023-11-06 21:54:37,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8550] [2023-11-06 21:54:37,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8568] [2023-11-06 21:54:37,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8604] [2023-11-06 21:54:37,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8613] [2023-11-06 21:54:37,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8646] [2023-11-06 21:54:37,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8684] [2023-11-06 21:54:37,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8714] [2023-11-06 21:54:37,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8722] [2023-11-06 21:54:37,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:54:38,054 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:54:38,055 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:54:38,056 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:54:38,064 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:54:38,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38 WrapperNode [2023-11-06 21:54:38,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:54:38,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:54:38,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:54:38,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:54:38,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38" (1/1) ... [2023-11-06 21:54:38,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38" (1/1) ... [2023-11-06 21:54:38,475 INFO L138 Inliner]: procedures = 250, calls = 2527, calls flagged for inlining = 130, calls inlined = 128, statements flattened = 7021 [2023-11-06 21:54:38,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:54:38,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:54:38,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:54:38,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:54:38,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38" (1/1) ... [2023-11-06 21:54:38,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38" (1/1) ... [2023-11-06 21:54:38,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38" (1/1) ... [2023-11-06 21:54:38,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38" (1/1) ... [2023-11-06 21:54:38,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38" (1/1) ... [2023-11-06 21:54:38,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38" (1/1) ... [2023-11-06 21:54:38,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38" (1/1) ... [2023-11-06 21:54:38,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38" (1/1) ... [2023-11-06 21:54:38,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:54:38,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:54:38,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:54:38,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:54:38,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38" (1/1) ... [2023-11-06 21:54:38,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:54:38,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:54:39,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:54:39,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9252aa-1fbb-46ae-bc21-7dfb57c18173/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_from_context [2023-11-06 21:54:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_from_context [2023-11-06 21:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-06 21:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 21:54:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 21:54:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-06 21:54:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-06 21:54:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 21:54:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 21:54:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_delete_hba [2023-11-06 21:54:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_delete_hba [2023-11-06 21:54:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2023-11-06 21:54:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2023-11-06 21:54:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-06 21:54:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-06 21:54:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-06 21:54:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-06 21:54:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-06 21:54:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-06 21:54:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 21:54:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 21:54:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_status_get [2023-11-06 21:54:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_status_get [2023-11-06 21:54:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_build_sys_table [2023-11-06 21:54:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_build_sys_table [2023-11-06 21:54:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2023-11-06 21:54:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2023-11-06 21:54:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_online_hba [2023-11-06 21:54:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_online_hba [2023-11-06 21:54:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2023-11-06 21:54:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2023-11-06 21:54:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2023-11-06 21:54:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2023-11-06 21:54:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-06 21:54:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-06 21:54:39,078 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 21:54:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 21:54:39,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 21:54:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 21:54:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_2 [2023-11-06 21:54:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_2 [2023-11-06 21:54:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2023-11-06 21:54:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2023-11-06 21:54:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 21:54:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 21:54:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_query_scalar [2023-11-06 21:54:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_query_scalar [2023-11-06 21:54:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2023-11-06 21:54:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2023-11-06 21:54:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:54:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:54:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 21:54:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 21:54:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_hba_reset [2023-11-06 21:54:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_hba_reset [2023-11-06 21:54:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:54:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 21:54:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 21:54:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-06 21:54:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-06 21:54:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-11-06 21:54:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-11-06 21:54:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 21:54:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 21:54:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:54:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-06 21:54:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-06 21:54:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 21:54:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-06 21:54:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-06 21:54:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 21:54:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 21:54:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_lct_get [2023-11-06 21:54:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_lct_get [2023-11-06 21:54:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 21:54:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 21:54:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 21:54:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 21:54:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 21:54:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 21:54:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reparse_lct [2023-11-06 21:54:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reparse_lct [2023-11-06 21:54:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 21:54:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 21:54:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_wait [2023-11-06 21:54:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_wait [2023-11-06 21:54:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 21:54:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-06 21:54:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-06 21:54:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-06 21:54:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-06 21:54:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2023-11-06 21:54:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2023-11-06 21:54:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 21:54:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 21:54:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 21:54:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 21:54:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_adjust_queue_depth [2023-11-06 21:54:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_adjust_queue_depth [2023-11-06 21:54:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 21:54:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_activate_hba [2023-11-06 21:54:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_activate_hba [2023-11-06 21:54:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-06 21:54:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-06 21:54:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:54:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_ioctl [2023-11-06 21:54:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_ioctl [2023-11-06 21:54:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reset_hba [2023-11-06 21:54:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reset_hba [2023-11-06 21:54:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 21:54:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 21:54:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_read_blink_led [2023-11-06 21:54:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_read_blink_led [2023-11-06 21:54:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-06 21:54:39,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-06 21:54:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-06 21:54:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-06 21:54:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 21:54:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 21:54:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:54:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-06 21:54:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-06 21:54:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_send_nop [2023-11-06 21:54:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_send_nop [2023-11-06 21:54:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-06 21:54:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-06 21:54:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 21:54:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 21:54:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:54:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_install_device [2023-11-06 21:54:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_install_device [2023-11-06 21:54:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure dpt_dma64 [2023-11-06 21:54:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dpt_dma64 [2023-11-06 21:54:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-06 21:54:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-06 21:54:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:54:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_to_context [2023-11-06 21:54:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_to_context [2023-11-06 21:54:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 21:54:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 21:54:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-06 21:54:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-06 21:54:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 21:54:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 21:54:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-06 21:54:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-06 21:54:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-06 21:54:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-06 21:54:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_set_state [2023-11-06 21:54:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_set_state [2023-11-06 21:54:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-06 21:54:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-06 21:54:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_online [2023-11-06 21:54:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_online [2023-11-06 21:54:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_this [2023-11-06 21:54:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_this [2023-11-06 21:54:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 21:54:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 21:54:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-06 21:54:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-06 21:54:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_sys_shutdown [2023-11-06 21:54:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_sys_shutdown [2023-11-06 21:54:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-06 21:54:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-06 21:54:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-06 21:54:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-06 21:54:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:54:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_report_hba_unit [2023-11-06 21:54:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_report_hba_unit [2023-11-06 21:54:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2023-11-06 21:54:39,117 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2023-11-06 21:54:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-06 21:54:39,117 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-06 21:54:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:54:39,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:54:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 21:54:39,117 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 21:54:40,199 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:54:40,210 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:54:40,847 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 21:54:57,113 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:54:57,146 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:54:57,146 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 21:54:57,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:54:57 BoogieIcfgContainer [2023-11-06 21:54:57,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:54:57,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:54:57,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:54:57,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:54:57,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:54:33" (1/3) ... [2023-11-06 21:54:57,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:54:57, skipping insertion in model container [2023-11-06 21:54:57,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:38" (2/3) ... [2023-11-06 21:54:57,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:54:57, skipping insertion in model container [2023-11-06 21:54:57,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:54:57" (3/3) ... [2023-11-06 21:54:57,167 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2023-11-06 21:54:57,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:54:57,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:54:57,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:54:57,356 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;@35877c5a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:54:57,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:54:57,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 2368 states, 1721 states have (on average 1.3864032539221383) internal successors, (2386), 1745 states have internal predecessors, (2386), 567 states have call successors, (567), 79 states have call predecessors, (567), 78 states have return successors, (561), 560 states have call predecessors, (561), 561 states have call successors, (561) [2023-11-06 21:54:57,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 21:54:57,402 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:57,402 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:54:57,403 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:57,409 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:57,409 INFO L85 PathProgramCache]: Analyzing trace with hash 786721199, now seen corresponding path program 1 times [2023-11-06 21:54:57,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:54:57,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671911454] [2023-11-06 21:54:57,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:57,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:54:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:54:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:54:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:58,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:54:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:58,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:54:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:58,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-06 21:54:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:58,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 21:54:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-06 21:54:58,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:54:58,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671911454] [2023-11-06 21:54:58,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671911454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:54:58,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:54:58,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:54:58,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112022430] [2023-11-06 21:54:58,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:54:58,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 21:54:58,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:54:58,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:54:58,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:54:58,991 INFO L87 Difference]: Start difference. First operand has 2368 states, 1721 states have (on average 1.3864032539221383) internal successors, (2386), 1745 states have internal predecessors, (2386), 567 states have call successors, (567), 79 states have call predecessors, (567), 78 states have return successors, (561), 560 states have call predecessors, (561), 561 states have call successors, (561) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 21:55:05,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:07,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:09,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:11,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:13,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:17,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:19,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:21,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:23,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:32,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:34,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:37,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:39,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:43,677 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 [] [2023-11-06 21:55:49,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:49,716 INFO L93 Difference]: Finished difference Result 7950 states and 12314 transitions. [2023-11-06 21:55:49,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 21:55:49,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2023-11-06 21:55:49,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:49,837 INFO L225 Difference]: With dead ends: 7950 [2023-11-06 21:55:49,837 INFO L226 Difference]: Without dead ends: 5536 [2023-11-06 21:55:49,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:55:49,898 INFO L413 NwaCegarLoop]: 2829 mSDtfsCounter, 5787 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 4293 mSolverCounterSat, 3377 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6271 SdHoareTripleChecker+Valid, 8477 SdHoareTripleChecker+Invalid, 7684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3377 IncrementalHoareTripleChecker+Valid, 4293 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.4s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:49,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6271 Valid, 8477 Invalid, 7684 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3377 Valid, 4293 Invalid, 14 Unknown, 0 Unchecked, 49.4s Time] [2023-11-06 21:55:49,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5536 states. [2023-11-06 21:55:50,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5536 to 4364. [2023-11-06 21:55:50,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4364 states, 3172 states have (on average 1.3675914249684742) internal successors, (4338), 3201 states have internal predecessors, (4338), 1042 states have call successors, (1042), 150 states have call predecessors, (1042), 149 states have return successors, (1041), 1039 states have call predecessors, (1041), 1041 states have call successors, (1041) [2023-11-06 21:55:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4364 states to 4364 states and 6421 transitions. [2023-11-06 21:55:50,561 INFO L78 Accepts]: Start accepts. Automaton has 4364 states and 6421 transitions. Word has length 66 [2023-11-06 21:55:50,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:50,563 INFO L495 AbstractCegarLoop]: Abstraction has 4364 states and 6421 transitions. [2023-11-06 21:55:50,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 21:55:50,564 INFO L276 IsEmpty]: Start isEmpty. Operand 4364 states and 6421 transitions. [2023-11-06 21:55:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-06 21:55:50,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:50,586 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:50,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:55:50,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:50,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:50,587 INFO L85 PathProgramCache]: Analyzing trace with hash 139884448, now seen corresponding path program 1 times [2023-11-06 21:55:50,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:50,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551525866] [2023-11-06 21:55:50,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:50,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:55:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:55:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:55:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:55:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 21:55:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:55:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 21:55:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 21:55:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:55:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 21:55:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 21:55:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-06 21:55:51,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:51,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551525866] [2023-11-06 21:55:51,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551525866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:51,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:55:51,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 21:55:51,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659567486] [2023-11-06 21:55:51,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:51,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:55:51,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:51,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:55:51,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:55:51,682 INFO L87 Difference]: Start difference. First operand 4364 states and 6421 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:55:55,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:57,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:59,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:01,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:03,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:07,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:09,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:14,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:16,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:21,928 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 [] [2023-11-06 21:56:29,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:56:29,400 INFO L93 Difference]: Finished difference Result 6054 states and 9244 transitions. [2023-11-06 21:56:29,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:56:29,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 5 states have call predecessors, (17), 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 21:56:29,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:56:29,478 INFO L225 Difference]: With dead ends: 6054 [2023-11-06 21:56:29,478 INFO L226 Difference]: Without dead ends: 6051 [2023-11-06 21:56:29,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:56:29,488 INFO L413 NwaCegarLoop]: 2759 mSDtfsCounter, 1909 mSDsluCounter, 7265 mSDsCounter, 0 mSdLazyCounter, 5257 mSolverCounterSat, 1676 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2082 SdHoareTripleChecker+Valid, 10024 SdHoareTripleChecker+Invalid, 6940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1676 IncrementalHoareTripleChecker+Valid, 5257 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.9s IncrementalHoareTripleChecker+Time [2023-11-06 21:56:29,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2082 Valid, 10024 Invalid, 6940 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1676 Valid, 5257 Invalid, 7 Unknown, 0 Unchecked, 36.9s Time] [2023-11-06 21:56:29,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6051 states. [2023-11-06 21:56:29,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6051 to 4366. [2023-11-06 21:56:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4366 states, 3174 states have (on average 1.3673597983616887) internal successors, (4340), 3203 states have internal predecessors, (4340), 1042 states have call successors, (1042), 150 states have call predecessors, (1042), 149 states have return successors, (1041), 1039 states have call predecessors, (1041), 1041 states have call successors, (1041) [2023-11-06 21:56:29,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 4366 states and 6423 transitions. [2023-11-06 21:56:29,902 INFO L78 Accepts]: Start accepts. Automaton has 4366 states and 6423 transitions. Word has length 100 [2023-11-06 21:56:29,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:56:29,906 INFO L495 AbstractCegarLoop]: Abstraction has 4366 states and 6423 transitions. [2023-11-06 21:56:29,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:56:29,907 INFO L276 IsEmpty]: Start isEmpty. Operand 4366 states and 6423 transitions. [2023-11-06 21:56:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-06 21:56:29,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:56:29,916 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:56:29,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:56:29,917 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:56:29,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:29,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1196668789, now seen corresponding path program 1 times [2023-11-06 21:56:29,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:56:29,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425764127] [2023-11-06 21:56:29,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:29,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:56:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:31,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:56:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:56:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:56:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:31,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:56:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:31,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 21:56:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:31,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 21:56:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 21:56:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:31,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 21:56:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:56:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 21:56:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:31,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 21:56:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-06 21:56:31,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:56:31,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425764127] [2023-11-06 21:56:31,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425764127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:56:31,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:56:31,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 21:56:31,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555399064] [2023-11-06 21:56:31,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:56:31,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 21:56:31,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:56:31,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 21:56:31,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:56:31,559 INFO L87 Difference]: Start difference. First operand 4366 states and 6423 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 21:56:37,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:39,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:41,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:43,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:45,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:47,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:49,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:51,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:53,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:55,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:57,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:01,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:03,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:06,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:12,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:19,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:21,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:23,412 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 [] [2023-11-06 21:57:34,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:57:34,120 INFO L93 Difference]: Finished difference Result 15817 states and 24327 transitions. [2023-11-06 21:57:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 21:57:34,121 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2023-11-06 21:57:34,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:57:34,276 INFO L225 Difference]: With dead ends: 15817 [2023-11-06 21:57:34,276 INFO L226 Difference]: Without dead ends: 11462 [2023-11-06 21:57:34,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-06 21:57:34,340 INFO L413 NwaCegarLoop]: 3047 mSDtfsCounter, 6563 mSDsluCounter, 10602 mSDsCounter, 0 mSdLazyCounter, 7420 mSolverCounterSat, 3585 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7121 SdHoareTripleChecker+Valid, 13649 SdHoareTripleChecker+Invalid, 11022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3585 IncrementalHoareTripleChecker+Valid, 7420 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:57:34,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7121 Valid, 13649 Invalid, 11022 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3585 Valid, 7420 Invalid, 17 Unknown, 0 Unchecked, 61.2s Time] [2023-11-06 21:57:34,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11462 states. [2023-11-06 21:57:35,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11462 to 8875. [2023-11-06 21:57:35,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8875 states, 6421 states have (on average 1.3697243420028034) internal successors, (8795), 6486 states have internal predecessors, (8795), 2146 states have call successors, (2146), 284 states have call predecessors, (2146), 307 states have return successors, (2483), 2150 states have call predecessors, (2483), 2145 states have call successors, (2483) [2023-11-06 21:57:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8875 states to 8875 states and 13424 transitions. [2023-11-06 21:57:35,376 INFO L78 Accepts]: Start accepts. Automaton has 8875 states and 13424 transitions. Word has length 102 [2023-11-06 21:57:35,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:57:35,380 INFO L495 AbstractCegarLoop]: Abstraction has 8875 states and 13424 transitions. [2023-11-06 21:57:35,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 21:57:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 8875 states and 13424 transitions. [2023-11-06 21:57:35,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 21:57:35,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:57:35,404 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:35,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:57:35,405 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:57:35,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:35,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1560041157, now seen corresponding path program 1 times [2023-11-06 21:57:35,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:35,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954992493] [2023-11-06 21:57:35,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:35,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:57:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:57:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:57:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:57:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 21:57:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 21:57:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 21:57:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 21:57:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 21:57:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 21:57:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 21:57:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,242 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-06 21:57:36,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:36,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954992493] [2023-11-06 21:57:36,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954992493] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:36,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:36,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 21:57:36,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738053787] [2023-11-06 21:57:36,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:36,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:57:36,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:36,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:57:36,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:57:36,246 INFO L87 Difference]: Start difference. First operand 8875 states and 13424 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 21:57:39,783 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 [] [2023-11-06 21:57:41,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:44,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:46,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:48,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:55,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:56,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:02,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:04,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:06,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:08,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:11,755 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 []