./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/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_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:48:08,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:48:08,903 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:48:08,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:48:08,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:48:08,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:48:08,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:48:08,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:48:08,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:48:08,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:48:08,972 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:48:08,974 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:48:08,974 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:48:08,976 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:48:08,977 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:48:08,977 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:48:08,978 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:48:08,978 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:48:08,979 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:48:08,979 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:48:08,980 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:48:08,981 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:48:08,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:48:08,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:48:08,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:48:08,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:48:08,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:48:08,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:48:08,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:48:08,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:48:08,987 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:48:08,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:48:08,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:48:08,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:48:08,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:48:08,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:48:08,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:48:08,989 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:48:08,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:48:08,989 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:48:08,989 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:48:08,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:48:08,990 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_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 [2023-11-19 04:48:09,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:48:09,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:48:09,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:48:09,359 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:48:09,359 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:48:09,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 04:48:12,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:48:13,814 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:48:13,816 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/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 [2023-11-19 04:48:13,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/data/f5876d021/530900e23c974c1b86eebbe8847abb5d/FLAG286e3e764 [2023-11-19 04:48:13,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/data/f5876d021/530900e23c974c1b86eebbe8847abb5d [2023-11-19 04:48:13,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:48:13,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:48:13,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:48:13,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:48:13,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:48:13,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:13" (1/1) ... [2023-11-19 04:48:13,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f6aa68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:13, skipping insertion in model container [2023-11-19 04:48:13,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:13" (1/1) ... [2023-11-19 04:48:14,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:48:14,770 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2023-11-19 04:48:14,771 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] [2023-11-19 04:48:15,251 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_b3d620aa-61cf-4bc9-86a4-5642385711ad/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] [2023-11-19 04:48:16,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:48:16,725 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:48:16,932 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2023-11-19 04:48:16,932 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] [2023-11-19 04:48:16,937 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] [2023-11-19 04:48:16,940 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] [2023-11-19 04:48:16,941 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] [2023-11-19 04:48:16,942 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] [2023-11-19 04:48:16,943 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] [2023-11-19 04:48:16,943 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] [2023-11-19 04:48:16,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4026] [2023-11-19 04:48:16,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4033] [2023-11-19 04:48:16,952 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_b3d620aa-61cf-4bc9-86a4-5642385711ad/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] [2023-11-19 04:48:17,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:48:17,591 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:48:17,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17 WrapperNode [2023-11-19 04:48:17,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:48:17,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:48:17,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:48:17,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:48:17,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2023-11-19 04:48:17,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2023-11-19 04:48:18,008 INFO L138 Inliner]: procedures = 245, calls = 3427, calls flagged for inlining = 97, calls inlined = 89, statements flattened = 5327 [2023-11-19 04:48:18,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:48:18,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:48:18,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:48:18,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:48:18,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2023-11-19 04:48:18,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2023-11-19 04:48:18,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2023-11-19 04:48:18,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2023-11-19 04:48:18,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2023-11-19 04:48:18,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2023-11-19 04:48:18,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2023-11-19 04:48:18,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2023-11-19 04:48:18,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:48:18,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:48:18,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:48:18,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:48:18,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2023-11-19 04:48:18,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:48:18,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:48:18,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:48:18,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d620aa-61cf-4bc9-86a4-5642385711ad/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:48:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_resume [2023-11-19 04:48:18,756 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_resume [2023-11-19 04:48:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_request [2023-11-19 04:48:18,756 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_request [2023-11-19 04:48:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_pullup [2023-11-19 04:48:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_pullup [2023-11-19 04:48:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_enable [2023-11-19 04:48:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_enable [2023-11-19 04:48:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_disable [2023-11-19 04:48:18,758 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_disable [2023-11-19 04:48:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:48:18,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:48:18,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:48:18,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:48:18,761 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2023-11-19 04:48:18,762 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2023-11-19 04:48:18,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 04:48:18,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 04:48:18,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:48:18,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:48:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-19 04:48:18,765 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-19 04:48:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure ep_open [2023-11-19 04:48:18,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_open [2023-11-19 04:48:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_disconnect [2023-11-19 04:48:18,766 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_disconnect [2023-11-19 04:48:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-19 04:48:18,767 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-19 04:48:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-19 04:48:18,767 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-19 04:48:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 04:48:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 04:48:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:48:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:48:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:48:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:48:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:48:18,769 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:48:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_write_fifo [2023-11-19 04:48:18,769 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_write_fifo [2023-11-19 04:48:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure __orr32 [2023-11-19 04:48:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __orr32 [2023-11-19 04:48:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_read_frameno [2023-11-19 04:48:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_read_frameno [2023-11-19 04:48:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure our_ep [2023-11-19 04:48:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure our_ep [2023-11-19 04:48:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_dump [2023-11-19 04:48:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_dump [2023-11-19 04:48:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_core_init [2023-11-19 04:48:18,772 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_core_init [2023-11-19 04:48:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2023-11-19 04:48:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2023-11-19 04:48:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:48:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2023-11-19 04:48:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2023-11-19 04:48:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:48:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:48:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsotg [2023-11-19 04:48:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsotg [2023-11-19 04:48:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 04:48:18,776 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 04:48:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:48:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_enqueue_setup [2023-11-19 04:48:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_enqueue_setup [2023-11-19 04:48:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_start [2023-11-19 04:48:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_start [2023-11-19 04:48:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 04:48:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 04:48:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:48:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:48:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_probe [2023-11-19 04:48:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_probe [2023-11-19 04:48:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:48:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:48:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure our_req [2023-11-19 04:48:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure our_req [2023-11-19 04:48:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure ep_from_windex [2023-11-19 04:48:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_from_windex [2023-11-19 04:48:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_stop [2023-11-19 04:48:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_stop [2023-11-19 04:48:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-19 04:48:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-19 04:48:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 04:48:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 04:48:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_req_feature [2023-11-19 04:48:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_req_feature [2023-11-19 04:48:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_enable [2023-11-19 04:48:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_enable [2023-11-19 04:48:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_queue [2023-11-19 04:48:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_queue [2023-11-19 04:48:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure get_ep_head [2023-11-19 04:48:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ep_head [2023-11-19 04:48:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:48:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:48:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2023-11-19 04:48:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2023-11-19 04:48:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_open [2023-11-19 04:48:18,785 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_open [2023-11-19 04:48:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure phy_exit [2023-11-19 04:48:18,785 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_exit [2023-11-19 04:48:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2023-11-19 04:48:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2023-11-19 04:48:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_alloc_request [2023-11-19 04:48:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_alloc_request [2023-11-19 04:48:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_init_fifo [2023-11-19 04:48:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_init_fifo [2023-11-19 04:48:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:48:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 04:48:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 04:48:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_send_reply [2023-11-19 04:48:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_send_reply [2023-11-19 04:48:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2023-11-19 04:48:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2023-11-19 04:48:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_free_request [2023-11-19 04:48:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_free_request [2023-11-19 04:48:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 04:48:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 04:48:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_init [2023-11-19 04:48:18,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_init [2023-11-19 04:48:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 04:48:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 04:48:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:48:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep0_mps [2023-11-19 04:48:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep0_mps [2023-11-19 04:48:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 04:48:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 04:48:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt_lock [2023-11-19 04:48:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt_lock [2023-11-19 04:48:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_setup [2023-11-19 04:48:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_setup [2023-11-19 04:48:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_control [2023-11-19 04:48:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_control [2023-11-19 04:48:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:48:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-19 04:48:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-19 04:48:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_txfifo_flush [2023-11-19 04:48:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_txfifo_flush [2023-11-19 04:48:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt [2023-11-19 04:48:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt [2023-11-19 04:48:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:48:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:48:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_disable [2023-11-19 04:48:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_disable [2023-11-19 04:48:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_corereset [2023-11-19 04:48:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_corereset [2023-11-19 04:48:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:48:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:48:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_gadget_getframe [2023-11-19 04:48:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_gadget_getframe [2023-11-19 04:48:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-19 04:48:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-19 04:48:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 04:48:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 04:48:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:48:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 04:48:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 04:48:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-19 04:48:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-19 04:48:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure state_open [2023-11-19 04:48:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure state_open [2023-11-19 04:48:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure __bic32 [2023-11-19 04:48:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __bic32 [2023-11-19 04:48:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:48:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:48:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ctrl_epint [2023-11-19 04:48:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ctrl_epint [2023-11-19 04:48:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:48:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_en_gsint [2023-11-19 04:48:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_en_gsint [2023-11-19 04:48:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-11-19 04:48:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-11-19 04:48:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:48:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:48:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:48:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:48:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_set_ep_maxpacket [2023-11-19 04:48:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_set_ep_maxpacket [2023-11-19 04:48:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:48:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:48:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:48:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:48:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_enable [2023-11-19 04:48:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_enable [2023-11-19 04:48:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 04:48:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 04:48:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_requests [2023-11-19 04:48:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_requests [2023-11-19 04:48:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_remove [2023-11-19 04:48:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_remove [2023-11-19 04:48:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-19 04:48:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-19 04:48:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:48:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:48:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure using_dma [2023-11-19 04:48:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure using_dma [2023-11-19 04:48:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:48:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:48:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:48:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:48:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_dequeue [2023-11-19 04:48:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_dequeue [2023-11-19 04:48:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 04:48:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 04:48:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_start_req [2023-11-19 04:48:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_start_req [2023-11-19 04:48:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 04:48:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 04:48:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 04:48:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 04:48:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 04:48:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 04:48:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:48:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 04:48:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 04:48:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_stall_ep0 [2023-11-19 04:48:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_stall_ep0 [2023-11-19 04:48:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:48:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:48:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 04:48:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 04:48:19,887 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:48:19,893 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:48:20,993 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:48:28,187 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:48:31,009 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:48:31,009 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:48:31,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:31 BoogieIcfgContainer [2023-11-19 04:48:31,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:48:31,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:48:31,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:48:31,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:48:31,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:48:13" (1/3) ... [2023-11-19 04:48:31,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ef5c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:48:31, skipping insertion in model container [2023-11-19 04:48:31,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (2/3) ... [2023-11-19 04:48:31,043 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ef5c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:48:31, skipping insertion in model container [2023-11-19 04:48:31,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:31" (3/3) ... [2023-11-19 04:48:31,045 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 [2023-11-19 04:48:31,070 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:48:31,071 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:48:31,210 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:48:31,219 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;@462c6452, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:48:31,220 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:48:31,237 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) [2023-11-19 04:48:31,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:48:31,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:31,277 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] [2023-11-19 04:48:31,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:48:31,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:31,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1406041112, now seen corresponding path program 1 times [2023-11-19 04:48:31,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:48:31,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797708108] [2023-11-19 04:48:31,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:31,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:48:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:48:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-19 04:48:32,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:48:32,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797708108] [2023-11-19 04:48:32,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797708108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:48:32,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:48:32,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:48:32,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377622304] [2023-11-19 04:48:32,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:48:32,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:48:32,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:48:32,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:48:32,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:48:32,648 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) [2023-11-19 04:48:33,953 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 [] [2023-11-19 04:48:37,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:48:37,426 INFO L93 Difference]: Finished difference Result 5343 states and 7863 transitions. [2023-11-19 04:48:37,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:48:37,429 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 [2023-11-19 04:48:37,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:48:37,504 INFO L225 Difference]: With dead ends: 5343 [2023-11-19 04:48:37,504 INFO L226 Difference]: Without dead ends: 3527 [2023-11-19 04:48:37,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:48:37,548 INFO L413 NwaCegarLoop]: 2432 mSDtfsCounter, 2554 mSDsluCounter, 2380 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:48:37,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2554 Valid, 4812 Invalid, 409 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-19 04:48:37,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3527 states. [2023-11-19 04:48:38,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3527 to 3523. [2023-11-19 04:48:38,087 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) [2023-11-19 04:48:38,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 5099 transitions. [2023-11-19 04:48:38,147 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 5099 transitions. Word has length 74 [2023-11-19 04:48:38,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:48:38,149 INFO L495 AbstractCegarLoop]: Abstraction has 3523 states and 5099 transitions. [2023-11-19 04:48:38,149 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) [2023-11-19 04:48:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 5099 transitions. [2023-11-19 04:48:38,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 04:48:38,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:38,177 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] [2023-11-19 04:48:38,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:48:38,178 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:48:38,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:38,179 INFO L85 PathProgramCache]: Analyzing trace with hash 487598428, now seen corresponding path program 1 times [2023-11-19 04:48:38,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:48:38,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385977958] [2023-11-19 04:48:38,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:38,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:48:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:48:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2023-11-19 04:48:39,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:48:39,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385977958] [2023-11-19 04:48:39,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385977958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:48:39,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:48:39,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:48:39,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376653958] [2023-11-19 04:48:39,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:48:39,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:48:39,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:48:39,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:48:39,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:48:39,695 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) [2023-11-19 04:48:40,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:42,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:46,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:48:46,958 INFO L93 Difference]: Finished difference Result 5546 states and 7987 transitions. [2023-11-19 04:48:46,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:48:46,959 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 [2023-11-19 04:48:46,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:48:47,029 INFO L225 Difference]: With dead ends: 5546 [2023-11-19 04:48:47,030 INFO L226 Difference]: Without dead ends: 5543 [2023-11-19 04:48:47,035 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 [2023-11-19 04:48:47,037 INFO L413 NwaCegarLoop]: 3132 mSDtfsCounter, 2084 mSDsluCounter, 4851 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s 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, 6.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:48:47,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 7983 Invalid, 660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 658 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2023-11-19 04:48:47,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5543 states. [2023-11-19 04:48:47,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5543 to 5485. [2023-11-19 04:48:47,654 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) [2023-11-19 04:48:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5485 states to 5485 states and 7897 transitions. [2023-11-19 04:48:47,719 INFO L78 Accepts]: Start accepts. Automaton has 5485 states and 7897 transitions. Word has length 151 [2023-11-19 04:48:47,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:48:47,721 INFO L495 AbstractCegarLoop]: Abstraction has 5485 states and 7897 transitions. [2023-11-19 04:48:47,722 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) [2023-11-19 04:48:47,722 INFO L276 IsEmpty]: Start isEmpty. Operand 5485 states and 7897 transitions. [2023-11-19 04:48:47,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 04:48:47,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:47,742 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] [2023-11-19 04:48:47,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:48:47,742 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:48:47,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:47,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1004366743, now seen corresponding path program 1 times [2023-11-19 04:48:47,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:48:47,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551763362] [2023-11-19 04:48:47,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:47,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:48:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:48:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-19 04:48:48,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:48:48,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551763362] [2023-11-19 04:48:48,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551763362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:48:48,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:48:48,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:48:48,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277742990] [2023-11-19 04:48:48,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:48:48,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:48:48,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:48:48,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:48:48,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:48:48,316 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) [2023-11-19 04:48:50,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []