./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.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_b3a71486-7325-425b-abb1-0a6639431ff7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a71486-7325-425b-abb1-0a6639431ff7/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_b3a71486-7325-425b-abb1-0a6639431ff7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a71486-7325-425b-abb1-0a6639431ff7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a71486-7325-425b-abb1-0a6639431ff7/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_b3a71486-7325-425b-abb1-0a6639431ff7/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 30733f200dc8370f05e0b3b892e3f5dfad9349a4937c910381098403fe8691aa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:12:58,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:12:58,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a71486-7325-425b-abb1-0a6639431ff7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:12:58,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:12:58,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:12:58,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:12:58,717 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:12:58,718 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:12:58,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:12:58,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:12:58,725 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:12:58,726 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:12:58,727 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:12:58,729 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:12:58,729 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:12:58,730 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:12:58,730 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:12:58,730 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:12:58,731 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:12:58,732 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:12:58,732 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:12:58,733 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:12:58,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:12:58,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:12:58,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:12:58,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:12:58,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:12:58,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:12:58,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:12:58,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:12:58,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:12:58,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:12:58,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:12:58,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:58,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:12:58,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:12:58,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:12:58,741 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:12:58,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:12:58,742 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:12:58,742 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:12:58,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:12:58,743 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_b3a71486-7325-425b-abb1-0a6639431ff7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a71486-7325-425b-abb1-0a6639431ff7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30733f200dc8370f05e0b3b892e3f5dfad9349a4937c910381098403fe8691aa [2023-11-19 04:12:59,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:12:59,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:12:59,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:12:59,158 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:12:59,158 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:12:59,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a71486-7325-425b-abb1-0a6639431ff7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2023-11-19 04:13:02,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:13:03,108 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:13:03,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a71486-7325-425b-abb1-0a6639431ff7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2023-11-19 04:13:03,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a71486-7325-425b-abb1-0a6639431ff7/bin/utaipan-verify-t7M7D8N6sZ/data/6b92510c2/ac9d85f127c94996a0f5ed9a672713c9/FLAGe7414e348 [2023-11-19 04:13:03,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a71486-7325-425b-abb1-0a6639431ff7/bin/utaipan-verify-t7M7D8N6sZ/data/6b92510c2/ac9d85f127c94996a0f5ed9a672713c9 [2023-11-19 04:13:03,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:13:03,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:13:03,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:03,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:13:03,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:13:03,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:03" (1/1) ... [2023-11-19 04:13:03,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53748b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:03, skipping insertion in model container [2023-11-19 04:13:03,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:03" (1/1) ... [2023-11-19 04:13:03,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:13:05,583 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_b3a71486-7325-425b-abb1-0a6639431ff7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i[400138,400151] [2023-11-19 04:13:05,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:05,735 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:13:05,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4108] [2023-11-19 04:13:05,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4239] [2023-11-19 04:13:05,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4242] [2023-11-19 04:13:05,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4245] [2023-11-19 04:13:05,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4248] [2023-11-19 04:13:05,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [4270] [2023-11-19 04:13:05,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [4277] [2023-11-19 04:13:06,386 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_b3a71486-7325-425b-abb1-0a6639431ff7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i[400138,400151] [2023-11-19 04:13:06,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:06,488 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:13:06,496 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:13:06,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06 WrapperNode [2023-11-19 04:13:06,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:06,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:06,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:13:06,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:13:06,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:06,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,000 INFO L138 Inliner]: procedures = 204, calls = 6200, calls flagged for inlining = 78, calls inlined = 75, statements flattened = 10845 [2023-11-19 04:13:07,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:07,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:13:07,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:13:07,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:13:07,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:13:07,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:13:07,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:13:07,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:13:07,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:07,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a71486-7325-425b-abb1-0a6639431ff7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:07,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a71486-7325-425b-abb1-0a6639431ff7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:13:07,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a71486-7325-425b-abb1-0a6639431ff7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:13:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 04:13:07,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 04:13:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure edge_ioctl [2023-11-19 04:13:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_ioctl [2023-11-19 04:13:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write_room [2023-11-19 04:13:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write_room [2023-11-19 04:13:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:13:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:13:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:13:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:13:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:13:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:13:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure edge_disconnect [2023-11-19 04:13:07,647 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_disconnect [2023-11-19 04:13:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure send_iosp_ext_cmd [2023-11-19 04:13:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure send_iosp_ext_cmd [2023-11-19 04:13:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_in_callback [2023-11-19 04:13:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_in_callback [2023-11-19 04:13:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure edge_break [2023-11-19 04:13:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_break [2023-11-19 04:13:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2023-11-19 04:13:07,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2023-11-19 04:13:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 04:13:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 04:13:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 04:13:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 04:13:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:13:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:13:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 04:13:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 04:13:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2023-11-19 04:13:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2023-11-19 04:13:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2023-11-19 04:13:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2023-11-19 04:13:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure edge_set_termios [2023-11-19 04:13:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_set_termios [2023-11-19 04:13:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-19 04:13:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-19 04:13:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:13:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:13:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-19 04:13:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-19 04:13:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_lsr [2023-11-19 04:13:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_lsr [2023-11-19 04:13:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 04:13:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 04:13:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:13:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:13:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:13:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:13:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmget [2023-11-19 04:13:07,656 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmget [2023-11-19 04:13:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-11-19 04:13:07,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-11-19 04:13:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure unicode_to_ascii [2023-11-19 04:13:07,657 INFO L138 BoogieDeclarations]: Found implementation of procedure unicode_to_ascii [2023-11-19 04:13:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:13:07,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:13:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2023-11-19 04:13:07,659 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2023-11-19 04:13:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure edge_throttle [2023-11-19 04:13:07,659 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_throttle [2023-11-19 04:13:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:13:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2023-11-19 04:13:07,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2023-11-19 04:13:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_msr [2023-11-19 04:13:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_msr [2023-11-19 04:13:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:13:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 04:13:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 04:13:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:13:07,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:13:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:13:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:13:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure edge_unthrottle [2023-11-19 04:13:07,661 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_unthrottle [2023-11-19 04:13:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure edge_interrupt_callback [2023-11-19 04:13:07,662 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_interrupt_callback [2023-11-19 04:13:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 04:13:07,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 04:13:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure change_port_settings [2023-11-19 04:13:07,663 INFO L138 BoogieDeclarations]: Found implementation of procedure change_port_settings [2023-11-19 04:13:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure edge_open [2023-11-19 04:13:07,663 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_open [2023-11-19 04:13:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 04:13:07,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 04:13:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 04:13:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 04:13:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure dump_product_info [2023-11-19 04:13:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_product_info [2023-11-19 04:13:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:13:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:13:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-19 04:13:07,665 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-19 04:13:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_out_data_callback [2023-11-19 04:13:07,665 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_out_data_callback [2023-11-19 04:13:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:13:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:13:07,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:13:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:13:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure edge_release [2023-11-19 04:13:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_release [2023-11-19 04:13:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tty_recv [2023-11-19 04:13:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tty_recv [2023-11-19 04:13:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure send_more_port_data [2023-11-19 04:13:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure send_more_port_data [2023-11-19 04:13:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure edge_close [2023-11-19 04:13:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_close [2023-11-19 04:13:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:13:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 04:13:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 04:13:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure edge_chars_in_buffer [2023-11-19 04:13:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_chars_in_buffer [2023-11-19 04:13:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2023-11-19 04:13:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2023-11-19 04:13:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:13:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:13:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure rom_read [2023-11-19 04:13:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_read [2023-11-19 04:13:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 04:13:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 04:13:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 04:13:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 04:13:07,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:13:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:13:07,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-19 04:13:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-19 04:13:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:13:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:13:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure process_rcvd_status [2023-11-19 04:13:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rcvd_status [2023-11-19 04:13:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:13:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 04:13:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 04:13:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 04:13:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 04:13:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure send_cmd_write_uart_register [2023-11-19 04:13:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cmd_write_uart_register [2023-11-19 04:13:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmset [2023-11-19 04:13:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmset [2023-11-19 04:13:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:13:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:13:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2023-11-19 04:13:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2023-11-19 04:13:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 04:13:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 04:13:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:13:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 04:13:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 04:13:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:13:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure edge_startup [2023-11-19 04:13:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_startup [2023-11-19 04:13:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:13:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:13:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-19 04:13:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-19 04:13:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 04:13:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 04:13:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 04:13:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 04:13:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 04:13:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 04:13:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_remove [2023-11-19 04:13:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_remove [2023-11-19 04:13:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd_usb [2023-11-19 04:13:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd_usb [2023-11-19 04:13:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure block_until_chase_response [2023-11-19 04:13:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure block_until_chase_response [2023-11-19 04:13:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-19 04:13:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-19 04:13:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:13:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:13:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write [2023-11-19 04:13:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write [2023-11-19 04:13:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 04:13:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 04:13:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-19 04:13:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-19 04:13:07,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:13:07,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2023-11-19 04:13:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2023-11-19 04:13:07,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2023-11-19 04:13:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2023-11-19 04:13:07,692 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_probe [2023-11-19 04:13:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_probe [2023-11-19 04:13:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-19 04:13:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-19 04:13:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:13:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:13:08,627 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:13:08,635 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:13:10,054 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:13:30,925 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:13:34,080 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:13:34,081 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:13:34,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:34 BoogieIcfgContainer [2023-11-19 04:13:34,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:13:34,112 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:13:34,113 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:13:34,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:13:34,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:13:03" (1/3) ... [2023-11-19 04:13:34,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5c9ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:34, skipping insertion in model container [2023-11-19 04:13:34,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (2/3) ... [2023-11-19 04:13:34,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5c9ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:34, skipping insertion in model container [2023-11-19 04:13:34,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:34" (3/3) ... [2023-11-19 04:13:34,119 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2023-11-19 04:13:34,141 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:13:34,141 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:13:34,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:13:34,305 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;@7cb79ab4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:13:34,305 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:13:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 2811 states, 1822 states have (on average 1.4050493962678376) internal successors, (2560), 1921 states have internal predecessors, (2560), 902 states have call successors, (902), 86 states have call predecessors, (902), 85 states have return successors, (896), 882 states have call predecessors, (896), 896 states have call successors, (896) [2023-11-19 04:13:34,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-19 04:13:34,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:34,388 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:13:34,389 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:34,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:34,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1427933976, now seen corresponding path program 1 times [2023-11-19 04:13:34,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:13:34,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519822498] [2023-11-19 04:13:34,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:34,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:13:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2023-11-19 04:13:41,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:13:41,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519822498] [2023-11-19 04:13:41,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519822498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:41,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:41,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:13:41,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048810913] [2023-11-19 04:13:41,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:41,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:13:41,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:13:41,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:13:41,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:41,575 INFO L87 Difference]: Start difference. First operand has 2811 states, 1822 states have (on average 1.4050493962678376) internal successors, (2560), 1921 states have internal predecessors, (2560), 902 states have call successors, (902), 86 states have call predecessors, (902), 85 states have return successors, (896), 882 states have call predecessors, (896), 896 states have call successors, (896) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-11-19 04:13:43,749 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 [] [2023-11-19 04:13:47,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []