./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--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:22:22,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:22,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:22:22,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:22,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:22,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:22,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:22,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:22,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:22,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:22,394 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:22,396 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:22,396 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:22,398 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:22:22,398 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:22,399 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:22,399 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:22:22,399 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:22:22,400 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:22,400 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:22:22,401 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:22:22,401 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:22:22,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:22,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:22:22,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:22:22,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:22,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:22:22,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:22,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:22:22,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:22:22,407 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:22,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:22,407 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:22,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:22,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:22,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:22,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:22,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:22:22,409 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:22:22,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:22:22,409 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:22,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:22:22,410 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:22,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:22,411 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 [2023-11-23 21:22:22,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:22,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:22,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:22,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:22,730 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:22,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2023-11-23 21:22:25,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:22:26,540 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:22:26,541 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2023-11-23 21:22:26,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/data/fcb27a4d6/8656cd90c8f2488fb0098b1d945a348b/FLAGd2ce2fa3d [2023-11-23 21:22:26,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/data/fcb27a4d6/8656cd90c8f2488fb0098b1d945a348b [2023-11-23 21:22:26,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:22:26,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:22:26,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:26,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:22:26,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:22:26,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:26" (1/1) ... [2023-11-23 21:22:26,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f64a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:26, skipping insertion in model container [2023-11-23 21:22:26,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:26" (1/1) ... [2023-11-23 21:22:26,843 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:27,454 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2023-11-23 21:22:27,461 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2023-11-23 21:22:27,813 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_1d56ee7d-9b9e-4851-8025-969fcf0544d8/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2023-11-23 21:22:29,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:29,249 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:22:29,356 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2023-11-23 21:22:29,357 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2023-11-23 21:22:29,361 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)); [3884-3885] [2023-11-23 21:22:29,363 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"); [3890-3892] [2023-11-23 21:22:29,365 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" (809), "i" (12UL)); [3914-3915] [2023-11-23 21:22:29,365 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.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [3920-3922] [2023-11-23 21:22:29,366 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" (814), "i" (12UL)); [3943-3944] [2023-11-23 21:22:29,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3949-3951] [2023-11-23 21:22:29,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4026] [2023-11-23 21:22:29,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4033] [2023-11-23 21:22:29,376 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_1d56ee7d-9b9e-4851-8025-969fcf0544d8/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2023-11-23 21:22:29,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:30,027 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:22:30,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30 WrapperNode [2023-11-23 21:22:30,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:30,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:30,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:22:30,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:22:30,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30" (1/1) ... [2023-11-23 21:22:30,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30" (1/1) ... [2023-11-23 21:22:30,505 INFO L138 Inliner]: procedures = 245, calls = 3427, calls flagged for inlining = 97, calls inlined = 89, statements flattened = 5327 [2023-11-23 21:22:30,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:30,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:22:30,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:22:30,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:22:30,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30" (1/1) ... [2023-11-23 21:22:30,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30" (1/1) ... [2023-11-23 21:22:30,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30" (1/1) ... [2023-11-23 21:22:30,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30" (1/1) ... [2023-11-23 21:22:30,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30" (1/1) ... [2023-11-23 21:22:30,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30" (1/1) ... [2023-11-23 21:22:30,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30" (1/1) ... [2023-11-23 21:22:30,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30" (1/1) ... [2023-11-23 21:22:30,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:22:30,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:22:30,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:22:30,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:22:30,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30" (1/1) ... [2023-11-23 21:22:30,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:30,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:30,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:22:30,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d56ee7d-9b9e-4851-8025-969fcf0544d8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:22:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_resume [2023-11-23 21:22:30,981 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_resume [2023-11-23 21:22:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_request [2023-11-23 21:22:30,982 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_request [2023-11-23 21:22:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_pullup [2023-11-23 21:22:30,983 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_pullup [2023-11-23 21:22:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_enable [2023-11-23 21:22:30,984 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_enable [2023-11-23 21:22:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_disable [2023-11-23 21:22:30,985 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_disable [2023-11-23 21:22:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:22:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:22:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:22:30,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:22:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2023-11-23 21:22:30,987 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2023-11-23 21:22:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:22:30,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:22:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:22:30,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:22:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-23 21:22:30,991 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-23 21:22:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure ep_open [2023-11-23 21:22:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_open [2023-11-23 21:22:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_disconnect [2023-11-23 21:22:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_disconnect [2023-11-23 21:22:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-23 21:22:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-23 21:22:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-23 21:22:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-23 21:22:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-23 21:22:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-23 21:22:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:22:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:22:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:22:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:22:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:22:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:22:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_write_fifo [2023-11-23 21:22:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_write_fifo [2023-11-23 21:22:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure __orr32 [2023-11-23 21:22:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __orr32 [2023-11-23 21:22:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_read_frameno [2023-11-23 21:22:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_read_frameno [2023-11-23 21:22:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure our_ep [2023-11-23 21:22:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure our_ep [2023-11-23 21:22:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_dump [2023-11-23 21:22:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_dump [2023-11-23 21:22:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_core_init [2023-11-23 21:22:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_core_init [2023-11-23 21:22:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2023-11-23 21:22:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2023-11-23 21:22:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:22:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2023-11-23 21:22:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2023-11-23 21:22:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:22:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:22:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsotg [2023-11-23 21:22:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsotg [2023-11-23 21:22:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-23 21:22:31,001 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-23 21:22:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:22:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_enqueue_setup [2023-11-23 21:22:31,002 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_enqueue_setup [2023-11-23 21:22:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_start [2023-11-23 21:22:31,002 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_start [2023-11-23 21:22:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:22:31,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:22:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:22:31,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:22:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_probe [2023-11-23 21:22:31,003 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_probe [2023-11-23 21:22:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:22:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:22:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure our_req [2023-11-23 21:22:31,004 INFO L138 BoogieDeclarations]: Found implementation of procedure our_req [2023-11-23 21:22:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure ep_from_windex [2023-11-23 21:22:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_from_windex [2023-11-23 21:22:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_stop [2023-11-23 21:22:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_stop [2023-11-23 21:22:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-23 21:22:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-23 21:22:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:22:31,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:22:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_req_feature [2023-11-23 21:22:31,006 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_req_feature [2023-11-23 21:22:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_enable [2023-11-23 21:22:31,006 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_enable [2023-11-23 21:22:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_queue [2023-11-23 21:22:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_queue [2023-11-23 21:22:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure get_ep_head [2023-11-23 21:22:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ep_head [2023-11-23 21:22:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:22:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:22:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2023-11-23 21:22:31,008 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2023-11-23 21:22:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_open [2023-11-23 21:22:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_open [2023-11-23 21:22:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure phy_exit [2023-11-23 21:22:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_exit [2023-11-23 21:22:31,010 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2023-11-23 21:22:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2023-11-23 21:22:31,010 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_alloc_request [2023-11-23 21:22:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_alloc_request [2023-11-23 21:22:31,010 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_init_fifo [2023-11-23 21:22:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_init_fifo [2023-11-23 21:22:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:22:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:22:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:22:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_send_reply [2023-11-23 21:22:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_send_reply [2023-11-23 21:22:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2023-11-23 21:22:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2023-11-23 21:22:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_free_request [2023-11-23 21:22:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_free_request [2023-11-23 21:22:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:22:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:22:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_init [2023-11-23 21:22:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_init [2023-11-23 21:22:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:22:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:22:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:22:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep0_mps [2023-11-23 21:22:31,015 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep0_mps [2023-11-23 21:22:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:22:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:22:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt_lock [2023-11-23 21:22:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt_lock [2023-11-23 21:22:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_setup [2023-11-23 21:22:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_setup [2023-11-23 21:22:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_control [2023-11-23 21:22:31,017 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_control [2023-11-23 21:22:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:22:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-23 21:22:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-23 21:22:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_txfifo_flush [2023-11-23 21:22:31,023 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_txfifo_flush [2023-11-23 21:22:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt [2023-11-23 21:22:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt [2023-11-23 21:22:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:22:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:22:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_disable [2023-11-23 21:22:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_disable [2023-11-23 21:22:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_corereset [2023-11-23 21:22:31,028 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_corereset [2023-11-23 21:22:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:22:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:22:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_gadget_getframe [2023-11-23 21:22:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_gadget_getframe [2023-11-23 21:22:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-23 21:22:31,034 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-23 21:22:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:22:31,034 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:22:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:22:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:22:31,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:22:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-23 21:22:31,036 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-23 21:22:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure state_open [2023-11-23 21:22:31,036 INFO L138 BoogieDeclarations]: Found implementation of procedure state_open [2023-11-23 21:22:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure __bic32 [2023-11-23 21:22:31,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __bic32 [2023-11-23 21:22:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:22:31,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:22:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ctrl_epint [2023-11-23 21:22:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ctrl_epint [2023-11-23 21:22:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:22:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_en_gsint [2023-11-23 21:22:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_en_gsint [2023-11-23 21:22:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-11-23 21:22:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-11-23 21:22:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:22:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:22:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:22:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:22:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_set_ep_maxpacket [2023-11-23 21:22:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_set_ep_maxpacket [2023-11-23 21:22:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:22:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:22:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:22:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:22:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_enable [2023-11-23 21:22:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_enable [2023-11-23 21:22:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 21:22:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 21:22:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_requests [2023-11-23 21:22:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_requests [2023-11-23 21:22:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_remove [2023-11-23 21:22:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_remove [2023-11-23 21:22:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-23 21:22:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-23 21:22:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:22:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:22:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure using_dma [2023-11-23 21:22:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure using_dma [2023-11-23 21:22:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:22:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:22:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:22:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:22:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_dequeue [2023-11-23 21:22:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_dequeue [2023-11-23 21:22:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 21:22:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 21:22:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_start_req [2023-11-23 21:22:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_start_req [2023-11-23 21:22:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:22:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:22:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:22:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:22:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:22:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:22:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:22:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:22:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:22:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_stall_ep0 [2023-11-23 21:22:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_stall_ep0 [2023-11-23 21:22:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:22:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:22:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:22:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:22:32,031 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:22:32,037 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:22:32,966 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:22:38,374 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:22:40,540 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:22:40,540 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:22:40,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:40 BoogieIcfgContainer [2023-11-23 21:22:40,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:22:40,546 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:22:40,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:22:40,550 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:22:40,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:22:26" (1/3) ... [2023-11-23 21:22:40,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2078b074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:40, skipping insertion in model container [2023-11-23 21:22:40,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:30" (2/3) ... [2023-11-23 21:22:40,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2078b074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:40, skipping insertion in model container [2023-11-23 21:22:40,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:40" (3/3) ... [2023-11-23 21:22:40,555 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2023-11-23 21:22:40,576 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:22:40,576 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:22:40,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:22:40,681 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e0148ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:22:40,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:22:40,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 1813 states, 1095 states have (on average 1.2885844748858448) internal successors, (1411), 1134 states have internal predecessors, (1411), 616 states have call successors, (616), 102 states have call predecessors, (616), 101 states have return successors, (608), 605 states have call predecessors, (608), 608 states have call successors, (608) [2023-11-23 21:22:40,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 21:22:40,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:40,716 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:40,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:40,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:40,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1260626052, now seen corresponding path program 1 times [2023-11-23 21:22:40,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:40,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460153408] [2023-11-23 21:22:40,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:40,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:41,624 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-23 21:22:41,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:41,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460153408] [2023-11-23 21:22:41,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460153408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:41,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:41,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:22:41,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421563037] [2023-11-23 21:22:41,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:41,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:22:41,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:41,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:22:41,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:41,675 INFO L87 Difference]: Start difference. First operand has 1813 states, 1095 states have (on average 1.2885844748858448) internal successors, (1411), 1134 states have internal predecessors, (1411), 616 states have call successors, (616), 102 states have call predecessors, (616), 101 states have return successors, (608), 605 states have call predecessors, (608), 608 states have call successors, (608) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-23 21:22:42,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:45,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:45,597 INFO L93 Difference]: Finished difference Result 5343 states and 7863 transitions. [2023-11-23 21:22:45,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:22:45,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 74 [2023-11-23 21:22:45,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:45,677 INFO L225 Difference]: With dead ends: 5343 [2023-11-23 21:22:45,677 INFO L226 Difference]: Without dead ends: 3527 [2023-11-23 21:22:45,694 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 [2023-11-23 21:22:45,698 INFO L413 NwaCegarLoop]: 2432 mSDtfsCounter, 2554 mSDsluCounter, 2380 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2554 SdHoareTripleChecker+Valid, 4812 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:45,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2554 Valid, 4812 Invalid, 409 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-23 21:22:45,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3527 states. [2023-11-23 21:22:46,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3527 to 3523. [2023-11-23 21:22:46,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3523 states, 2132 states have (on average 1.274859287054409) internal successors, (2718), 2189 states have internal predecessors, (2718), 1191 states have call successors, (1191), 200 states have call predecessors, (1191), 199 states have return successors, (1190), 1183 states have call predecessors, (1190), 1190 states have call successors, (1190) [2023-11-23 21:22:46,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 5099 transitions. [2023-11-23 21:22:46,133 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 5099 transitions. Word has length 74 [2023-11-23 21:22:46,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:46,135 INFO L495 AbstractCegarLoop]: Abstraction has 3523 states and 5099 transitions. [2023-11-23 21:22:46,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-23 21:22:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 5099 transitions. [2023-11-23 21:22:46,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-23 21:22:46,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:46,162 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 3, 3, 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] [2023-11-23 21:22:46,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:22:46,163 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:46,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:46,164 INFO L85 PathProgramCache]: Analyzing trace with hash -544208076, now seen corresponding path program 1 times [2023-11-23 21:22:46,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:46,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128054416] [2023-11-23 21:22:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:46,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2023-11-23 21:22:47,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:47,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128054416] [2023-11-23 21:22:47,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128054416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:47,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:47,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:22:47,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587699309] [2023-11-23 21:22:47,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:47,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:22:47,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:47,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:22:47,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:22:47,429 INFO L87 Difference]: Start difference. First operand 3523 states and 5099 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-23 21:22:49,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:50,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:54,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:54,820 INFO L93 Difference]: Finished difference Result 5546 states and 7987 transitions. [2023-11-23 21:22:54,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:22:54,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 151 [2023-11-23 21:22:54,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:54,873 INFO L225 Difference]: With dead ends: 5546 [2023-11-23 21:22:54,874 INFO L226 Difference]: Without dead ends: 5543 [2023-11-23 21:22:54,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:22:54,882 INFO L413 NwaCegarLoop]: 3132 mSDtfsCounter, 2084 mSDsluCounter, 4851 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 7983 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:54,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 7983 Invalid, 660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 658 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2023-11-23 21:22:54,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5543 states. [2023-11-23 21:22:55,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5543 to 5485. [2023-11-23 21:22:55,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5485 states, 3292 states have (on average 1.2594167679222357) internal successors, (4146), 3389 states have internal predecessors, (4146), 1859 states have call successors, (1859), 340 states have call predecessors, (1859), 333 states have return successors, (1892), 1833 states have call predecessors, (1892), 1858 states have call successors, (1892) [2023-11-23 21:22:55,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5485 states to 5485 states and 7897 transitions. [2023-11-23 21:22:55,350 INFO L78 Accepts]: Start accepts. Automaton has 5485 states and 7897 transitions. Word has length 151 [2023-11-23 21:22:55,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:55,351 INFO L495 AbstractCegarLoop]: Abstraction has 5485 states and 7897 transitions. [2023-11-23 21:22:55,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-23 21:22:55,352 INFO L276 IsEmpty]: Start isEmpty. Operand 5485 states and 7897 transitions. [2023-11-23 21:22:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 21:22:55,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:55,370 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:55,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:22:55,370 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:55,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:55,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1911304073, now seen corresponding path program 1 times [2023-11-23 21:22:55,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:55,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417234367] [2023-11-23 21:22:55,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:55,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:56,060 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-23 21:22:56,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:56,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417234367] [2023-11-23 21:22:56,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417234367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:56,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:56,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:22:56,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237141281] [2023-11-23 21:22:56,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:56,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:22:56,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:56,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:22:56,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:56,069 INFO L87 Difference]: Start difference. First operand 5485 states and 7897 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 21:22:57,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:01,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:01,326 INFO L93 Difference]: Finished difference Result 16018 states and 23023 transitions. [2023-11-23 21:23:01,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:01,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 172 [2023-11-23 21:23:01,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:01,424 INFO L225 Difference]: With dead ends: 16018 [2023-11-23 21:23:01,424 INFO L226 Difference]: Without dead ends: 10557 [2023-11-23 21:23:01,458 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 [2023-11-23 21:23:01,463 INFO L413 NwaCegarLoop]: 4196 mSDtfsCounter, 2495 mSDsluCounter, 2364 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2495 SdHoareTripleChecker+Valid, 6560 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:01,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2495 Valid, 6560 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-23 21:23:01,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10557 states. [2023-11-23 21:23:02,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10557 to 10554. [2023-11-23 21:23:02,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10554 states, 6335 states have (on average 1.25698500394633) internal successors, (7963), 6516 states have internal predecessors, (7963), 3564 states have call successors, (3564), 655 states have call predecessors, (3564), 654 states have return successors, (3629), 3534 states have call predecessors, (3629), 3563 states have call successors, (3629) [2023-11-23 21:23:02,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10554 states to 10554 states and 15156 transitions. [2023-11-23 21:23:02,671 INFO L78 Accepts]: Start accepts. Automaton has 10554 states and 15156 transitions. Word has length 172 [2023-11-23 21:23:02,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:02,672 INFO L495 AbstractCegarLoop]: Abstraction has 10554 states and 15156 transitions. [2023-11-23 21:23:02,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 21:23:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 10554 states and 15156 transitions. [2023-11-23 21:23:02,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-23 21:23:02,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:02,696 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:02,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:23:02,697 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:02,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:02,698 INFO L85 PathProgramCache]: Analyzing trace with hash 727086497, now seen corresponding path program 1 times [2023-11-23 21:23:02,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:02,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216764072] [2023-11-23 21:23:02,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:02,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-11-23 21:23:03,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:03,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216764072] [2023-11-23 21:23:03,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216764072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:03,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:03,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:03,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076722210] [2023-11-23 21:23:03,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:03,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:03,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:03,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:03,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:03,355 INFO L87 Difference]: Start difference. First operand 10554 states and 15156 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 21:23:05,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:08,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:08,377 INFO L93 Difference]: Finished difference Result 29091 states and 41780 transitions. [2023-11-23 21:23:08,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:08,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 182 [2023-11-23 21:23:08,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:08,518 INFO L225 Difference]: With dead ends: 29091 [2023-11-23 21:23:08,518 INFO L226 Difference]: Without dead ends: 18569 [2023-11-23 21:23:08,582 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 [2023-11-23 21:23:08,583 INFO L413 NwaCegarLoop]: 2466 mSDtfsCounter, 2529 mSDsluCounter, 2363 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2529 SdHoareTripleChecker+Valid, 4829 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:08,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2529 Valid, 4829 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 396 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-11-23 21:23:08,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18569 states.