./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 cf1a7837 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_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/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_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 01:00:01,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:00:01,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 01:00:01,274 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:00:01,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:00:01,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:00:01,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:00:01,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:00:01,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:00:01,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:00:01,306 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:00:01,307 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:00:01,307 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:00:01,308 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:00:01,309 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:00:01,309 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:00:01,310 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:00:01,310 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:00:01,311 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:00:01,311 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:00:01,312 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:00:01,313 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:00:01,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:00:01,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:00:01,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:00:01,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:00:01,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:00:01,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:00:01,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:00:01,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:00:01,318 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:00:01,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:00:01,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:00:01,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:01,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:00:01,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:00:01,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:00:01,321 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:00:01,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:00:01,322 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:00:01,322 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:00:01,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:00:01,323 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_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 [2023-11-12 01:00:01,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:00:01,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:00:01,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:00:01,686 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:00:01,687 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:00:01,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/../../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 [2023-11-12 01:00:04,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:05,473 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:05,475 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/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 [2023-11-12 01:00:05,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/data/498dd0911/fbdd3f589c714e0bbe01f3309390cb57/FLAG4ba62b5bb [2023-11-12 01:00:05,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/data/498dd0911/fbdd3f589c714e0bbe01f3309390cb57 [2023-11-12 01:00:05,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:05,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:05,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:05,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:05,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:05,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:05" (1/1) ... [2023-11-12 01:00:05,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed7e791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:05, skipping insertion in model container [2023-11-12 01:00:05,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:05" (1/1) ... [2023-11-12 01:00:05,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:06,356 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2023-11-12 01:00:06,357 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2023-11-12 01:00:06,741 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_675677d9-8b79-4ff5-ba61-0315297898d8/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] [2023-11-12 01:00:08,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:08,058 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:00:08,163 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2023-11-12 01:00:08,164 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2023-11-12 01:00:08,168 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] [2023-11-12 01:00:08,170 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] [2023-11-12 01:00:08,172 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] [2023-11-12 01:00:08,172 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] [2023-11-12 01:00:08,174 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] [2023-11-12 01:00:08,174 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] [2023-11-12 01:00:08,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4026] [2023-11-12 01:00:08,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4033] [2023-11-12 01:00:08,185 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_675677d9-8b79-4ff5-ba61-0315297898d8/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] [2023-11-12 01:00:08,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:08,781 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:00:08,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08 WrapperNode [2023-11-12 01:00:08,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:08,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:08,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:00:08,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:00:08,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08" (1/1) ... [2023-11-12 01:00:08,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08" (1/1) ... [2023-11-12 01:00:09,104 INFO L138 Inliner]: procedures = 245, calls = 3427, calls flagged for inlining = 97, calls inlined = 89, statements flattened = 5327 [2023-11-12 01:00:09,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:09,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:00:09,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:00:09,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:00:09,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08" (1/1) ... [2023-11-12 01:00:09,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08" (1/1) ... [2023-11-12 01:00:09,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08" (1/1) ... [2023-11-12 01:00:09,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08" (1/1) ... [2023-11-12 01:00:09,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08" (1/1) ... [2023-11-12 01:00:09,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08" (1/1) ... [2023-11-12 01:00:09,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08" (1/1) ... [2023-11-12 01:00:09,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08" (1/1) ... [2023-11-12 01:00:09,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:00:09,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:00:09,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:00:09,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:00:09,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08" (1/1) ... [2023-11-12 01:00:09,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:09,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:00:09,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:00:09,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675677d9-8b79-4ff5-ba61-0315297898d8/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:00:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_resume [2023-11-12 01:00:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_resume [2023-11-12 01:00:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_request [2023-11-12 01:00:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_request [2023-11-12 01:00:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_pullup [2023-11-12 01:00:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_pullup [2023-11-12 01:00:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_enable [2023-11-12 01:00:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_enable [2023-11-12 01:00:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_disable [2023-11-12 01:00:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_disable [2023-11-12 01:00:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 01:00:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 01:00:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 01:00:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 01:00:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2023-11-12 01:00:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2023-11-12 01:00:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 01:00:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 01:00:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 01:00:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 01:00:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-12 01:00:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-12 01:00:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure ep_open [2023-11-12 01:00:09,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_open [2023-11-12 01:00:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_disconnect [2023-11-12 01:00:09,601 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_disconnect [2023-11-12 01:00:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-12 01:00:09,601 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-12 01:00:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-12 01:00:09,602 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-12 01:00:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 01:00:09,602 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 01:00:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 01:00:09,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 01:00:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 01:00:09,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 01:00:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:00:09,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:00:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_write_fifo [2023-11-12 01:00:09,603 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_write_fifo [2023-11-12 01:00:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure __orr32 [2023-11-12 01:00:09,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __orr32 [2023-11-12 01:00:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_read_frameno [2023-11-12 01:00:09,604 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_read_frameno [2023-11-12 01:00:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure our_ep [2023-11-12 01:00:09,604 INFO L138 BoogieDeclarations]: Found implementation of procedure our_ep [2023-11-12 01:00:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_dump [2023-11-12 01:00:09,604 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_dump [2023-11-12 01:00:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_core_init [2023-11-12 01:00:09,605 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_core_init [2023-11-12 01:00:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2023-11-12 01:00:09,605 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2023-11-12 01:00:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:00:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2023-11-12 01:00:09,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2023-11-12 01:00:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 01:00:09,608 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 01:00:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsotg [2023-11-12 01:00:09,608 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsotg [2023-11-12 01:00:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 01:00:09,609 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 01:00:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 01:00:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_enqueue_setup [2023-11-12 01:00:09,610 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_enqueue_setup [2023-11-12 01:00:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_start [2023-11-12 01:00:09,611 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_start [2023-11-12 01:00:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 01:00:09,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 01:00:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 01:00:09,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 01:00:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_probe [2023-11-12 01:00:09,612 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_probe [2023-11-12 01:00:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:00:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 01:00:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure our_req [2023-11-12 01:00:09,612 INFO L138 BoogieDeclarations]: Found implementation of procedure our_req [2023-11-12 01:00:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure ep_from_windex [2023-11-12 01:00:09,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_from_windex [2023-11-12 01:00:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_stop [2023-11-12 01:00:09,614 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_stop [2023-11-12 01:00:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-12 01:00:09,614 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-12 01:00:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 01:00:09,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 01:00:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_req_feature [2023-11-12 01:00:09,615 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_req_feature [2023-11-12 01:00:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_enable [2023-11-12 01:00:09,615 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_enable [2023-11-12 01:00:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_queue [2023-11-12 01:00:09,615 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_queue [2023-11-12 01:00:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure get_ep_head [2023-11-12 01:00:09,616 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ep_head [2023-11-12 01:00:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 01:00:09,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 01:00:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2023-11-12 01:00:09,616 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2023-11-12 01:00:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_open [2023-11-12 01:00:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_open [2023-11-12 01:00:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure phy_exit [2023-11-12 01:00:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_exit [2023-11-12 01:00:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2023-11-12 01:00:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2023-11-12 01:00:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_alloc_request [2023-11-12 01:00:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_alloc_request [2023-11-12 01:00:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_init_fifo [2023-11-12 01:00:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_init_fifo [2023-11-12 01:00:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 01:00:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 01:00:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 01:00:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_send_reply [2023-11-12 01:00:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_send_reply [2023-11-12 01:00:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2023-11-12 01:00:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2023-11-12 01:00:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_free_request [2023-11-12 01:00:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_free_request [2023-11-12 01:00:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-12 01:00:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-12 01:00:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_init [2023-11-12 01:00:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_init [2023-11-12 01:00:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 01:00:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 01:00:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 01:00:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep0_mps [2023-11-12 01:00:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep0_mps [2023-11-12 01:00:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 01:00:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 01:00:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt_lock [2023-11-12 01:00:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt_lock [2023-11-12 01:00:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_setup [2023-11-12 01:00:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_setup [2023-11-12 01:00:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_control [2023-11-12 01:00:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_control [2023-11-12 01:00:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:00:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-12 01:00:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-12 01:00:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_txfifo_flush [2023-11-12 01:00:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_txfifo_flush [2023-11-12 01:00:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt [2023-11-12 01:00:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt [2023-11-12 01:00:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 01:00:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 01:00:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_disable [2023-11-12 01:00:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_disable [2023-11-12 01:00:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_corereset [2023-11-12 01:00:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_corereset [2023-11-12 01:00:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 01:00:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 01:00:09,641 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_gadget_getframe [2023-11-12 01:00:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_gadget_getframe [2023-11-12 01:00:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-12 01:00:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-12 01:00:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 01:00:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 01:00:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:00:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 01:00:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 01:00:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-12 01:00:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-12 01:00:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure state_open [2023-11-12 01:00:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure state_open [2023-11-12 01:00:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure __bic32 [2023-11-12 01:00:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __bic32 [2023-11-12 01:00:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 01:00:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 01:00:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ctrl_epint [2023-11-12 01:00:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ctrl_epint [2023-11-12 01:00:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:00:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_en_gsint [2023-11-12 01:00:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_en_gsint [2023-11-12 01:00:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-11-12 01:00:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-11-12 01:00:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:00:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 01:00:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 01:00:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 01:00:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_set_ep_maxpacket [2023-11-12 01:00:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_set_ep_maxpacket [2023-11-12 01:00:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:00:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:00:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 01:00:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 01:00:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_enable [2023-11-12 01:00:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_enable [2023-11-12 01:00:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 01:00:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 01:00:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_requests [2023-11-12 01:00:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_requests [2023-11-12 01:00:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_remove [2023-11-12 01:00:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_remove [2023-11-12 01:00:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-12 01:00:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-12 01:00:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 01:00:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 01:00:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure using_dma [2023-11-12 01:00:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure using_dma [2023-11-12 01:00:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 01:00:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 01:00:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 01:00:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 01:00:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_dequeue [2023-11-12 01:00:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_dequeue [2023-11-12 01:00:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-12 01:00:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-12 01:00:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_start_req [2023-11-12 01:00:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_start_req [2023-11-12 01:00:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 01:00:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 01:00:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 01:00:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 01:00:09,651 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-12 01:00:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-12 01:00:09,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:00:09,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 01:00:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 01:00:09,651 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_stall_ep0 [2023-11-12 01:00:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_stall_ep0 [2023-11-12 01:00:09,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:00:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:00:09,652 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 01:00:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 01:00:10,658 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:00:10,670 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:00:12,108 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 01:00:18,319 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:20,826 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:20,826 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 01:00:20,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:20 BoogieIcfgContainer [2023-11-12 01:00:20,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:00:20,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:00:20,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:00:20,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:00:20,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:00:05" (1/3) ... [2023-11-12 01:00:20,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5a35ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:20, skipping insertion in model container [2023-11-12 01:00:20,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:08" (2/3) ... [2023-11-12 01:00:20,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5a35ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:20, skipping insertion in model container [2023-11-12 01:00:20,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:20" (3/3) ... [2023-11-12 01:00:20,845 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 [2023-11-12 01:00:20,869 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:00:20,869 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:00:20,986 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:00:20,994 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;@7de81b7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:00:20,994 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:00:21,010 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) [2023-11-12 01:00:21,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-12 01:00:21,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:21,042 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] [2023-11-12 01:00:21,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:21,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:21,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1406041112, now seen corresponding path program 1 times [2023-11-12 01:00:21,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:21,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470261537] [2023-11-12 01:00:21,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:21,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:21,981 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-12 01:00:21,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:21,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470261537] [2023-11-12 01:00:21,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470261537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:21,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:21,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:21,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398237818] [2023-11-12 01:00:21,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:21,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:21,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:22,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:22,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:22,029 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) [2023-11-12 01:00:24,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:27,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:27,052 INFO L93 Difference]: Finished difference Result 5343 states and 7863 transitions. [2023-11-12 01:00:27,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:27,055 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 [2023-11-12 01:00:27,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:27,102 INFO L225 Difference]: With dead ends: 5343 [2023-11-12 01:00:27,102 INFO L226 Difference]: Without dead ends: 3527 [2023-11-12 01:00:27,120 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 [2023-11-12 01:00:27,124 INFO L413 NwaCegarLoop]: 2432 mSDtfsCounter, 2554 mSDsluCounter, 2380 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2554 SdHoareTripleChecker+Valid, 4812 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:27,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2554 Valid, 4812 Invalid, 409 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 406 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2023-11-12 01:00:27,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3527 states. [2023-11-12 01:00:27,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3527 to 3523. [2023-11-12 01:00:27,545 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) [2023-11-12 01:00:27,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 5099 transitions. [2023-11-12 01:00:27,585 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 5099 transitions. Word has length 74 [2023-11-12 01:00:27,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:27,586 INFO L495 AbstractCegarLoop]: Abstraction has 3523 states and 5099 transitions. [2023-11-12 01:00:27,586 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) [2023-11-12 01:00:27,586 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 5099 transitions. [2023-11-12 01:00:27,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-12 01:00:27,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:27,604 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] [2023-11-12 01:00:27,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:00:27,605 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:27,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:27,606 INFO L85 PathProgramCache]: Analyzing trace with hash 487598428, now seen corresponding path program 1 times [2023-11-12 01:00:27,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:27,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022187643] [2023-11-12 01:00:27,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:27,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:28,834 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2023-11-12 01:00:28,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:28,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022187643] [2023-11-12 01:00:28,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022187643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:28,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:28,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:00:28,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135657738] [2023-11-12 01:00:28,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:28,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 01:00:28,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:28,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 01:00:28,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 01:00:28,839 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) [2023-11-12 01:00:30,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:32,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:36,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:36,506 INFO L93 Difference]: Finished difference Result 5546 states and 7987 transitions. [2023-11-12 01:00:36,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 01:00:36,506 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 [2023-11-12 01:00:36,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:36,691 INFO L225 Difference]: With dead ends: 5546 [2023-11-12 01:00:36,691 INFO L226 Difference]: Without dead ends: 5543 [2023-11-12 01:00:36,694 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 [2023-11-12 01:00:36,696 INFO L413 NwaCegarLoop]: 3132 mSDtfsCounter, 2084 mSDsluCounter, 4851 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s 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, 7.3s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:36,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 7983 Invalid, 660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 658 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2023-11-12 01:00:36,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5543 states. [2023-11-12 01:00:37,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5543 to 5485. [2023-11-12 01:00:37,057 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) [2023-11-12 01:00:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5485 states to 5485 states and 7897 transitions. [2023-11-12 01:00:37,106 INFO L78 Accepts]: Start accepts. Automaton has 5485 states and 7897 transitions. Word has length 151 [2023-11-12 01:00:37,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:37,108 INFO L495 AbstractCegarLoop]: Abstraction has 5485 states and 7897 transitions. [2023-11-12 01:00:37,108 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) [2023-11-12 01:00:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 5485 states and 7897 transitions. [2023-11-12 01:00:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-12 01:00:37,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:37,126 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] [2023-11-12 01:00:37,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 01:00:37,126 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:37,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:37,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1004366743, now seen corresponding path program 1 times [2023-11-12 01:00:37,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:37,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735122203] [2023-11-12 01:00:37,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:37,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-12 01:00:37,697 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:37,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735122203] [2023-11-12 01:00:37,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735122203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:37,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:37,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:37,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135458813] [2023-11-12 01:00:37,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:37,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:37,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:37,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:37,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:37,705 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) [2023-11-12 01:00:39,767 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 [] [2023-11-12 01:00:43,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:43,601 INFO L93 Difference]: Finished difference Result 16018 states and 23023 transitions. [2023-11-12 01:00:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:43,602 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 [2023-11-12 01:00:43,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:43,700 INFO L225 Difference]: With dead ends: 16018 [2023-11-12 01:00:43,700 INFO L226 Difference]: Without dead ends: 10557 [2023-11-12 01:00:43,735 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 [2023-11-12 01:00:43,737 INFO L413 NwaCegarLoop]: 4196 mSDtfsCounter, 2495 mSDsluCounter, 2364 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2495 SdHoareTripleChecker+Valid, 6560 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:43,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2495 Valid, 6560 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 525 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2023-11-12 01:00:43,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10557 states. [2023-11-12 01:00:44,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10557 to 10554. [2023-11-12 01:00:44,673 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) [2023-11-12 01:00:44,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10554 states to 10554 states and 15156 transitions. [2023-11-12 01:00:44,732 INFO L78 Accepts]: Start accepts. Automaton has 10554 states and 15156 transitions. Word has length 172 [2023-11-12 01:00:44,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:44,733 INFO L495 AbstractCegarLoop]: Abstraction has 10554 states and 15156 transitions. [2023-11-12 01:00:44,734 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) [2023-11-12 01:00:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 10554 states and 15156 transitions. [2023-11-12 01:00:44,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-12 01:00:44,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:44,754 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] [2023-11-12 01:00:44,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 01:00:44,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:44,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:44,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1095244107, now seen corresponding path program 1 times [2023-11-12 01:00:44,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:44,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219384102] [2023-11-12 01:00:44,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:44,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-11-12 01:00:45,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:45,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219384102] [2023-11-12 01:00:45,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219384102] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:45,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:45,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:45,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504349739] [2023-11-12 01:00:45,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:45,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:45,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:45,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:45,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:45,325 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) [2023-11-12 01:00:47,390 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 [] [2023-11-12 01:00:49,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []