./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:19,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:19,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:05:19,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:19,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:19,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:19,715 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:19,716 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:19,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:19,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:19,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:19,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:19,720 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:19,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:19,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:05:19,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:05:19,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:19,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:05:19,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:19,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:05:19,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:19,727 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:19,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:19,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:19,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:19,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:19,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:19,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:19,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:05:19,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:05:19,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:05:19,733 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:19,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:05:19,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:19,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:19,735 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:19,736 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_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 [2023-11-19 08:05:19,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:20,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:20,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:20,006 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:20,007 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:20,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2023-11-19 08:05:23,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:23,902 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:23,902 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2023-11-19 08:05:23,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/data/7df5caeac/7d7534f5936f4106b9b9aeb739736809/FLAGef83951b9 [2023-11-19 08:05:23,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/data/7df5caeac/7d7534f5936f4106b9b9aeb739736809 [2023-11-19 08:05:23,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:23,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:23,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:23,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:23,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:23,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:23" (1/1) ... [2023-11-19 08:05:23,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c390b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23, skipping insertion in model container [2023-11-19 08:05:23,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:23" (1/1) ... [2023-11-19 08:05:24,237 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:27,042 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_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2023-11-19 08:05:27,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:27,266 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:27,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3721] [2023-11-19 08:05:27,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3728] [2023-11-19 08:05:27,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [3799-3800] [2023-11-19 08:05:27,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3805-3807] [2023-11-19 08:05:27,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [3921] [2023-11-19 08:05:27,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [3928] [2023-11-19 08:05:27,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7398] [2023-11-19 08:05:27,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7401] [2023-11-19 08:05:27,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7446] [2023-11-19 08:05:27,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7467] [2023-11-19 08:05:27,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7493] [2023-11-19 08:05:27,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7582] [2023-11-19 08:05:27,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7787] [2023-11-19 08:05:27,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7883] [2023-11-19 08:05:27,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7914] [2023-11-19 08:05:27,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7966] [2023-11-19 08:05:27,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8065] [2023-11-19 08:05:27,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8138] [2023-11-19 08:05:27,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8314] [2023-11-19 08:05:27,922 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_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2023-11-19 08:05:27,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:28,094 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:28,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28 WrapperNode [2023-11-19 08:05:28,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:28,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:28,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:28,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:28,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:28,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:28,614 INFO L138 Inliner]: procedures = 326, calls = 4607, calls flagged for inlining = 133, calls inlined = 123, statements flattened = 10169 [2023-11-19 08:05:28,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:28,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:28,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:28,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:28,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:28,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:28,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:28,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:29,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:29,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:29,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:29,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:29,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:29,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:29,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:29,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:29,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:29,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:29,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:29,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:29,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f834ed-9fe2-4fec-ae64-298a7c9dcf15/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2023-11-19 08:05:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2023-11-19 08:05:29,686 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 08:05:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 08:05:29,686 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-19 08:05:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-19 08:05:29,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-11-19 08:05:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-11-19 08:05:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2023-11-19 08:05:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2023-11-19 08:05:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2023-11-19 08:05:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2023-11-19 08:05:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2023-11-19 08:05:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2023-11-19 08:05:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_suspend [2023-11-19 08:05:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_suspend [2023-11-19 08:05:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2023-11-19 08:05:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2023-11-19 08:05:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2023-11-19 08:05:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2023-11-19 08:05:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_probe [2023-11-19 08:05:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_probe [2023-11-19 08:05:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:05:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:05:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 08:05:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 08:05:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2023-11-19 08:05:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2023-11-19 08:05:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2023-11-19 08:05:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2023-11-19 08:05:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2023-11-19 08:05:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2023-11-19 08:05:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-11-19 08:05:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-11-19 08:05:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2023-11-19 08:05:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2023-11-19 08:05:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_reset [2023-11-19 08:05:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_reset [2023-11-19 08:05:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2023-11-19 08:05:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2023-11-19 08:05:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 08:05:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 08:05:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:05:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:05:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2023-11-19 08:05:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2023-11-19 08:05:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2023-11-19 08:05:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2023-11-19 08:05:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2023-11-19 08:05:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2023-11-19 08:05:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 08:05:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 08:05:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 08:05:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 08:05:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2023-11-19 08:05:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2023-11-19 08:05:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_resume [2023-11-19 08:05:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_resume [2023-11-19 08:05:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_suspend [2023-11-19 08:05:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_suspend [2023-11-19 08:05:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2023-11-19 08:05:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2023-11-19 08:05:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 08:05:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 08:05:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 08:05:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 08:05:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2023-11-19 08:05:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2023-11-19 08:05:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_init [2023-11-19 08:05:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_init [2023-11-19 08:05:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2023-11-19 08:05:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2023-11-19 08:05:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-19 08:05:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-19 08:05:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 08:05:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 08:05:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:05:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2023-11-19 08:05:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2023-11-19 08:05:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 08:05:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 08:05:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:05:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-11-19 08:05:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-11-19 08:05:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_remove [2023-11-19 08:05:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_remove [2023-11-19 08:05:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure check_ed [2023-11-19 08:05:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ed [2023-11-19 08:05:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2023-11-19 08:05:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2023-11-19 08:05:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2023-11-19 08:05:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2023-11-19 08:05:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:05:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:05:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-11-19 08:05:29,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-11-19 08:05:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2023-11-19 08:05:29,725 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2023-11-19 08:05:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure broken_suspend [2023-11-19 08:05:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_suspend [2023-11-19 08:05:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:05:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2023-11-19 08:05:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2023-11-19 08:05:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_platform_shutdown [2023-11-19 08:05:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_platform_shutdown [2023-11-19 08:05:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:05:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2023-11-19 08:05:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2023-11-19 08:05:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-19 08:05:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-19 08:05:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2023-11-19 08:05:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2023-11-19 08:05:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_remove [2023-11-19 08:05:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_remove [2023-11-19 08:05:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-19 08:05:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-19 08:05:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 08:05:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 08:05:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 08:05:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 08:05:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-19 08:05:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-19 08:05:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 08:05:29,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 08:05:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 08:05:29,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 08:05:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 08:05:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 08:05:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_resume [2023-11-19 08:05:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_resume [2023-11-19 08:05:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2023-11-19 08:05:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2023-11-19 08:05:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 08:05:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 08:05:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-19 08:05:29,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-19 08:05:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_start [2023-11-19 08:05:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_start [2023-11-19 08:05:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2023-11-19 08:05:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2023-11-19 08:05:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2023-11-19 08:05:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2023-11-19 08:05:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 08:05:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 08:05:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 08:05:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 08:05:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 08:05:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 08:05:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2023-11-19 08:05:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2023-11-19 08:05:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2023-11-19 08:05:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2023-11-19 08:05:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-19 08:05:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-19 08:05:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:05:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2023-11-19 08:05:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2023-11-19 08:05:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2023-11-19 08:05:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2023-11-19 08:05:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2023-11-19 08:05:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2023-11-19 08:05:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2023-11-19 08:05:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2023-11-19 08:05:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2023-11-19 08:05:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2023-11-19 08:05:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2023-11-19 08:05:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2023-11-19 08:05:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2023-11-19 08:05:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2023-11-19 08:05:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2023-11-19 08:05:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2023-11-19 08:05:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2023-11-19 08:05:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2023-11-19 08:05:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_start [2023-11-19 08:05:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_start [2023-11-19 08:05:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2023-11-19 08:05:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2023-11-19 08:05:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2023-11-19 08:05:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2023-11-19 08:05:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 08:05:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 08:05:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2023-11-19 08:05:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2023-11-19 08:05:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-19 08:05:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-19 08:05:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2023-11-19 08:05:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2023-11-19 08:05:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:05:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure takeback_td [2023-11-19 08:05:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure takeback_td [2023-11-19 08:05:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 08:05:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 08:05:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2023-11-19 08:05:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2023-11-19 08:05:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 08:05:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 08:05:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:05:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:05:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2023-11-19 08:05:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2023-11-19 08:05:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:05:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2023-11-19 08:05:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2023-11-19 08:05:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure dl_done_list [2023-11-19 08:05:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dl_done_list [2023-11-19 08:05:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2023-11-19 08:05:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2023-11-19 08:05:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 08:05:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 08:05:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2023-11-19 08:05:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2023-11-19 08:05:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-19 08:05:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-19 08:05:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 08:05:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 08:05:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:05:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2023-11-19 08:05:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2023-11-19 08:05:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2023-11-19 08:05:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2023-11-19 08:05:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2023-11-19 08:05:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2023-11-19 08:05:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:05:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:05:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2023-11-19 08:05:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2023-11-19 08:05:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 08:05:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 08:05:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc16 [2023-11-19 08:05:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc16 [2023-11-19 08:05:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 08:05:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 08:05:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-19 08:05:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-19 08:05:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2023-11-19 08:05:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2023-11-19 08:05:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-19 08:05:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-19 08:05:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 08:05:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 08:05:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2023-11-19 08:05:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2023-11-19 08:05:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2023-11-19 08:05:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2023-11-19 08:05:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2023-11-19 08:05:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2023-11-19 08:05:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure finish_unlinks [2023-11-19 08:05:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_unlinks [2023-11-19 08:05:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2023-11-19 08:05:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2023-11-19 08:05:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-19 08:05:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-19 08:05:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2023-11-19 08:05:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2023-11-19 08:05:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2023-11-19 08:05:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2023-11-19 08:05:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2023-11-19 08:05:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2023-11-19 08:05:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2023-11-19 08:05:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2023-11-19 08:05:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2023-11-19 08:05:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2023-11-19 08:05:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 08:05:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 08:05:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 08:05:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 08:05:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2023-11-19 08:05:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2023-11-19 08:05:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 08:05:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 08:05:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2023-11-19 08:05:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2023-11-19 08:05:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2023-11-19 08:05:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2023-11-19 08:05:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 08:05:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 08:05:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 08:05:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 08:05:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2023-11-19 08:05:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2023-11-19 08:05:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_reset [2023-11-19 08:05:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_reset [2023-11-19 08:05:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_shutdown [2023-11-19 08:05:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_shutdown [2023-11-19 08:05:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 08:05:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 08:05:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:05:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-19 08:05:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-19 08:05:30,970 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:30,975 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:43,833 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:43,874 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:43,875 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 08:05:43,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:43 BoogieIcfgContainer [2023-11-19 08:05:43,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:43,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:05:43,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:05:43,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:05:43,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:23" (1/3) ... [2023-11-19 08:05:43,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bfebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:43, skipping insertion in model container [2023-11-19 08:05:43,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28" (2/3) ... [2023-11-19 08:05:43,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bfebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:43, skipping insertion in model container [2023-11-19 08:05:43,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:43" (3/3) ... [2023-11-19 08:05:43,916 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2023-11-19 08:05:43,936 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:43,937 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:05:44,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:05:44,190 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37fd9950, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:05:44,190 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:05:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 4170 states, 3096 states have (on average 1.4757751937984496) internal successors, (4569), 3167 states have internal predecessors, (4569), 936 states have call successors, (936), 140 states have call predecessors, (936), 140 states have return successors, (936), 927 states have call predecessors, (936), 936 states have call successors, (936) [2023-11-19 08:05:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 08:05:44,237 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:44,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:44,238 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:44,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:44,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1136725065, now seen corresponding path program 1 times [2023-11-19 08:05:44,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:44,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005090735] [2023-11-19 08:05:44,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:44,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:45,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:05:45,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:45,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005090735] [2023-11-19 08:05:45,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005090735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:45,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:45,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:05:45,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396736662] [2023-11-19 08:05:45,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:45,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:05:45,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:45,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:05:45,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:45,385 INFO L87 Difference]: Start difference. First operand has 4170 states, 3096 states have (on average 1.4757751937984496) internal successors, (4569), 3167 states have internal predecessors, (4569), 936 states have call successors, (936), 140 states have call predecessors, (936), 140 states have return successors, (936), 927 states have call predecessors, (936), 936 states have call successors, (936) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:46,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:46,341 INFO L93 Difference]: Finished difference Result 12454 states and 19556 transitions. [2023-11-19 08:05:46,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:05:46,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-19 08:05:46,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:46,529 INFO L225 Difference]: With dead ends: 12454 [2023-11-19 08:05:46,529 INFO L226 Difference]: Without dead ends: 8277 [2023-11-19 08:05:46,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:46,635 INFO L413 NwaCegarLoop]: 6760 mSDtfsCounter, 6320 mSDsluCounter, 6345 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6320 SdHoareTripleChecker+Valid, 13105 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:46,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6320 Valid, 13105 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:05:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8277 states. [2023-11-19 08:05:47,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8277 to 8263. [2023-11-19 08:05:47,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8263 states, 6130 states have (on average 1.4608482871125612) internal successors, (8955), 6264 states have internal predecessors, (8955), 1854 states have call successors, (1854), 279 states have call predecessors, (1854), 278 states have return successors, (1848), 1829 states have call predecessors, (1848), 1848 states have call successors, (1848) [2023-11-19 08:05:47,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8263 states to 8263 states and 12657 transitions. [2023-11-19 08:05:47,496 INFO L78 Accepts]: Start accepts. Automaton has 8263 states and 12657 transitions. Word has length 14 [2023-11-19 08:05:47,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:47,498 INFO L495 AbstractCegarLoop]: Abstraction has 8263 states and 12657 transitions. [2023-11-19 08:05:47,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:47,499 INFO L276 IsEmpty]: Start isEmpty. Operand 8263 states and 12657 transitions. [2023-11-19 08:05:47,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 08:05:47,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:47,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:47,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:05:47,512 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:47,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:47,513 INFO L85 PathProgramCache]: Analyzing trace with hash 740887205, now seen corresponding path program 1 times [2023-11-19 08:05:47,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:47,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169060470] [2023-11-19 08:05:47,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:47,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:05:48,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:48,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169060470] [2023-11-19 08:05:48,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169060470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:48,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:48,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:05:48,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391885982] [2023-11-19 08:05:48,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:48,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:05:48,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:48,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:05:48,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:48,134 INFO L87 Difference]: Start difference. First operand 8263 states and 12657 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:49,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:49,226 INFO L93 Difference]: Finished difference Result 24739 states and 37891 transitions. [2023-11-19 08:05:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:05:49,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-19 08:05:49,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:49,412 INFO L225 Difference]: With dead ends: 24739 [2023-11-19 08:05:49,413 INFO L226 Difference]: Without dead ends: 16479 [2023-11-19 08:05:49,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:49,485 INFO L413 NwaCegarLoop]: 7335 mSDtfsCounter, 6312 mSDsluCounter, 6339 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6312 SdHoareTripleChecker+Valid, 13674 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:49,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6312 Valid, 13674 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:05:49,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16479 states. [2023-11-19 08:05:50,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16479 to 16465. [2023-11-19 08:05:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16465 states, 12214 states have (on average 1.460373342066481) internal successors, (17837), 12478 states have internal predecessors, (17837), 3694 states have call successors, (3694), 557 states have call predecessors, (3694), 556 states have return successors, (3688), 3649 states have call predecessors, (3688), 3688 states have call successors, (3688) [2023-11-19 08:05:50,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16465 states to 16465 states and 25219 transitions. [2023-11-19 08:05:50,897 INFO L78 Accepts]: Start accepts. Automaton has 16465 states and 25219 transitions. Word has length 16 [2023-11-19 08:05:50,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:50,897 INFO L495 AbstractCegarLoop]: Abstraction has 16465 states and 25219 transitions. [2023-11-19 08:05:50,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 16465 states and 25219 transitions. [2023-11-19 08:05:50,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 08:05:50,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:50,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:50,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:05:50,903 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:50,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:50,914 INFO L85 PathProgramCache]: Analyzing trace with hash 2140288603, now seen corresponding path program 1 times [2023-11-19 08:05:50,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:50,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595967205] [2023-11-19 08:05:50,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:50,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:51,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:05:51,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:51,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595967205] [2023-11-19 08:05:51,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595967205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:51,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:51,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:05:51,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19750925] [2023-11-19 08:05:51,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:51,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:05:51,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:51,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:05:51,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:51,520 INFO L87 Difference]: Start difference. First operand 16465 states and 25219 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:53,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:53,396 INFO L93 Difference]: Finished difference Result 49243 states and 75434 transitions. [2023-11-19 08:05:53,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:05:53,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-19 08:05:53,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:54,006 INFO L225 Difference]: With dead ends: 49243 [2023-11-19 08:05:54,006 INFO L226 Difference]: Without dead ends: 32781 [2023-11-19 08:05:54,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:54,113 INFO L413 NwaCegarLoop]: 6929 mSDtfsCounter, 6310 mSDsluCounter, 6339 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6310 SdHoareTripleChecker+Valid, 13268 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:54,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6310 Valid, 13268 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:05:54,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32781 states. [2023-11-19 08:05:55,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32781 to 32767. [2023-11-19 08:05:56,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32767 states, 24303 states have (on average 1.4602312471711312) internal successors, (35488), 24826 states have internal predecessors, (35488), 7358 states have call successors, (7358), 1106 states have call predecessors, (7358), 1105 states have return successors, (7352), 7273 states have call predecessors, (7352), 7352 states have call successors, (7352) [2023-11-19 08:05:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32767 states to 32767 states and 50198 transitions. [2023-11-19 08:05:56,505 INFO L78 Accepts]: Start accepts. Automaton has 32767 states and 50198 transitions. Word has length 18 [2023-11-19 08:05:56,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:56,506 INFO L495 AbstractCegarLoop]: Abstraction has 32767 states and 50198 transitions. [2023-11-19 08:05:56,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:56,507 INFO L276 IsEmpty]: Start isEmpty. Operand 32767 states and 50198 transitions. [2023-11-19 08:05:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 08:05:56,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:56,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:56,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:05:56,514 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:56,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:56,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1393938807, now seen corresponding path program 1 times [2023-11-19 08:05:56,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:56,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211690930] [2023-11-19 08:05:56,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:56,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:57,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 08:05:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:57,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:05:57,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:57,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211690930] [2023-11-19 08:05:57,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211690930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:57,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:57,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:05:57,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294419063] [2023-11-19 08:05:57,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:57,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:05:57,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:57,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:05:57,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:05:57,524 INFO L87 Difference]: Start difference. First operand 32767 states and 50198 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:05:59,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:59,226 INFO L93 Difference]: Finished difference Result 65566 states and 100446 transitions. [2023-11-19 08:05:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:05:59,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-19 08:05:59,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:59,684 INFO L225 Difference]: With dead ends: 65566 [2023-11-19 08:05:59,685 INFO L226 Difference]: Without dead ends: 32802 [2023-11-19 08:05:59,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:05:59,874 INFO L413 NwaCegarLoop]: 6354 mSDtfsCounter, 22 mSDsluCounter, 12703 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 19057 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:59,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 19057 Invalid, 18 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:05:59,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32802 states. [2023-11-19 08:06:01,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32802 to 32770. [2023-11-19 08:06:01,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32770 states, 24306 states have (on average 1.4601744425244796) internal successors, (35491), 24829 states have internal predecessors, (35491), 7358 states have call successors, (7358), 1106 states have call predecessors, (7358), 1105 states have return successors, (7352), 7273 states have call predecessors, (7352), 7352 states have call successors, (7352) [2023-11-19 08:06:02,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32770 states to 32770 states and 50201 transitions. [2023-11-19 08:06:02,113 INFO L78 Accepts]: Start accepts. Automaton has 32770 states and 50201 transitions. Word has length 29 [2023-11-19 08:06:02,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:02,114 INFO L495 AbstractCegarLoop]: Abstraction has 32770 states and 50201 transitions. [2023-11-19 08:06:02,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:06:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand 32770 states and 50201 transitions. [2023-11-19 08:06:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 08:06:02,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:02,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:02,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:06:02,120 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:02,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:02,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1451197109, now seen corresponding path program 1 times [2023-11-19 08:06:02,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:02,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643567268] [2023-11-19 08:06:02,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:02,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:02,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 08:06:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:02,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:06:02,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:02,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643567268] [2023-11-19 08:06:02,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643567268] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:02,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:02,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:06:02,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802345847] [2023-11-19 08:06:02,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:02,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:06:02,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:02,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:06:02,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:06:02,610 INFO L87 Difference]: Start difference. First operand 32770 states and 50201 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)