./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--net--ethernet--ti--tlan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh --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 aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:33:06,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:33:06,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 15:33:06,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:33:06,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:33:06,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:33:06,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:33:06,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:33:06,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:33:06,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:33:06,721 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:33:06,722 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:33:06,722 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:33:06,723 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:33:06,723 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:33:06,724 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:33:06,724 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:33:06,725 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:33:06,725 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:33:06,726 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:33:06,727 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:33:06,727 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:33:06,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:33:06,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:33:06,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:33:06,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:33:06,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:33:06,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:33:06,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:33:06,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:33:06,732 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:33:06,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:33:06,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:33:06,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:33:06,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:33:06,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:33:06,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:33:06,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:33:06,735 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:33:06,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:33:06,735 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:33:06,735 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:33:06,736 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:33:06,736 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:33:06,736 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_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2023-12-02 15:33:06,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:33:06,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:33:06,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:33:06,956 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:33:06,957 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:33:06,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2023-12-02 15:33:09,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:33:10,154 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:33:10,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2023-12-02 15:33:10,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/data/717780a5a/2ff7f61fccd14f56ba4e98f792d213ea/FLAG996bf4c81 [2023-12-02 15:33:10,210 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/data/717780a5a/2ff7f61fccd14f56ba4e98f792d213ea [2023-12-02 15:33:10,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:33:10,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:33:10,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:33:10,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:33:10,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:33:10,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:33:10" (1/1) ... [2023-12-02 15:33:10,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68589966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:10, skipping insertion in model container [2023-12-02 15:33:10,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:33:10" (1/1) ... [2023-12-02 15:33:10,364 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:33:12,397 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_eab13e99-1e6b-47d2-a118-f230a58814b8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2023-12-02 15:33:12,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:33:12,512 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:33:12,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5649] [2023-12-02 15:33:12,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5656] [2023-12-02 15:33:12,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5786] [2023-12-02 15:33:12,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5789] [2023-12-02 15:33:12,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5792] [2023-12-02 15:33:12,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5795] [2023-12-02 15:33:12,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5896] [2023-12-02 15:33:12,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5904] [2023-12-02 15:33:12,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5930] [2023-12-02 15:33:12,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5938] [2023-12-02 15:33:12,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5945] [2023-12-02 15:33:12,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5953] [2023-12-02 15:33:12,667 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6141-6142] [2023-12-02 15:33:12,669 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6170-6171] [2023-12-02 15:33:12,838 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_eab13e99-1e6b-47d2-a118-f230a58814b8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2023-12-02 15:33:12,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:33:13,025 WARN L675 CHandler]: The function __request_region is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:33:13,026 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:33:13,033 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:33:13,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13 WrapperNode [2023-12-02 15:33:13,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:33:13,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:33:13,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:33:13,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:33:13,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13" (1/1) ... [2023-12-02 15:33:13,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13" (1/1) ... [2023-12-02 15:33:13,324 INFO L138 Inliner]: procedures = 299, calls = 2142, calls flagged for inlining = 144, calls inlined = 138, statements flattened = 6002 [2023-12-02 15:33:13,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:33:13,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:33:13,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:33:13,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:33:13,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13" (1/1) ... [2023-12-02 15:33:13,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13" (1/1) ... [2023-12-02 15:33:13,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13" (1/1) ... [2023-12-02 15:33:13,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13" (1/1) ... [2023-12-02 15:33:13,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13" (1/1) ... [2023-12-02 15:33:13,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13" (1/1) ... [2023-12-02 15:33:13,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13" (1/1) ... [2023-12-02 15:33:13,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13" (1/1) ... [2023-12-02 15:33:13,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:33:13,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:33:13,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:33:13,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:33:13,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13" (1/1) ... [2023-12-02 15:33:13,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:33:13,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:33:13,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:33:13,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:33:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2023-12-02 15:33:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2023-12-02 15:33:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_7 [2023-12-02 15:33:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_7 [2023-12-02 15:33:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-12-02 15:33:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-12-02 15:33:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-12-02 15:33:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-12-02 15:33:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 15:33:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 15:33:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 15:33:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 15:33:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-12-02 15:33:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-12-02 15:33:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2023-12-02 15:33:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2023-12-02 15:33:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-12-02 15:33:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-12-02 15:33:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-12-02 15:33:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-12-02 15:33:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2023-12-02 15:33:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2023-12-02 15:33:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 15:33:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 15:33:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-12-02 15:33:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-12-02 15:33:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2023-12-02 15:33:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2023-12-02 15:33:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2023-12-02 15:33:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2023-12-02 15:33:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2023-12-02 15:33:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2023-12-02 15:33:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 15:33:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 15:33:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-12-02 15:33:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-12-02 15:33:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-12-02 15:33:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-12-02 15:33:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-12-02 15:33:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-12-02 15:33:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 15:33:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 15:33:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-12-02 15:33:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-12-02 15:33:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 15:33:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 15:33:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2023-12-02 15:33:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2023-12-02 15:33:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2023-12-02 15:33:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2023-12-02 15:33:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:33:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:33:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-12-02 15:33:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-12-02 15:33:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-12-02 15:33:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-12-02 15:33:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-12-02 15:33:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-12-02 15:33:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2023-12-02 15:33:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2023-12-02 15:33:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:33:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2023-12-02 15:33:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2023-12-02 15:33:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-12-02 15:33:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-12-02 15:33:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-12-02 15:33:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-12-02 15:33:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 15:33:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-12-02 15:33:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-12-02 15:33:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-12-02 15:33:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-12-02 15:33:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 15:33:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 15:33:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2023-12-02 15:33:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2023-12-02 15:33:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-12-02 15:33:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-12-02 15:33:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-12-02 15:33:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-12-02 15:33:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 15:33:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 15:33:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-12-02 15:33:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-12-02 15:33:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:33:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 15:33:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 15:33:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 15:33:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2023-12-02 15:33:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2023-12-02 15:33:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-12-02 15:33:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-12-02 15:33:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2023-12-02 15:33:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2023-12-02 15:33:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-12-02 15:33:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-12-02 15:33:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-12-02 15:33:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-12-02 15:33:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-12-02 15:33:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-12-02 15:33:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-12-02 15:33:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-12-02 15:33:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-12-02 15:33:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-12-02 15:33:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-12-02 15:33:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-12-02 15:33:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-12-02 15:33:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-12-02 15:33:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2023-12-02 15:33:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2023-12-02 15:33:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2023-12-02 15:33:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2023-12-02 15:33:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 15:33:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 15:33:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2023-12-02 15:33:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2023-12-02 15:33:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2023-12-02 15:33:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2023-12-02 15:33:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2023-12-02 15:33:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2023-12-02 15:33:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:33:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-12-02 15:33:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-12-02 15:33:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2023-12-02 15:33:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2023-12-02 15:33:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-12-02 15:33:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-12-02 15:33:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-12-02 15:33:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-12-02 15:33:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-12-02 15:33:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-12-02 15:33:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 15:33:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 15:33:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2023-12-02 15:33:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2023-12-02 15:33:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2023-12-02 15:33:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2023-12-02 15:33:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2023-12-02 15:33:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2023-12-02 15:33:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-12-02 15:33:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-12-02 15:33:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2023-12-02 15:33:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2023-12-02 15:33:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2023-12-02 15:33:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2023-12-02 15:33:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-12-02 15:33:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-12-02 15:33:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:33:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 15:33:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 15:33:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2023-12-02 15:33:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2023-12-02 15:33:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2023-12-02 15:33:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2023-12-02 15:33:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2023-12-02 15:33:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2023-12-02 15:33:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 15:33:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 15:33:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2023-12-02 15:33:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2023-12-02 15:33:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2023-12-02 15:33:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2023-12-02 15:33:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-12-02 15:33:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-12-02 15:33:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:33:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-12-02 15:33:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-12-02 15:33:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-12-02 15:33:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-12-02 15:33:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-12-02 15:33:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-12-02 15:33:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2023-12-02 15:33:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2023-12-02 15:33:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-12-02 15:33:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-12-02 15:33:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:33:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2023-12-02 15:33:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2023-12-02 15:33:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-12-02 15:33:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-12-02 15:33:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 15:33:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 15:33:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:33:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 15:33:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-12-02 15:33:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-12-02 15:33:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2023-12-02 15:33:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2023-12-02 15:33:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-12-02 15:33:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-12-02 15:33:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2023-12-02 15:33:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2023-12-02 15:33:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2023-12-02 15:33:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2023-12-02 15:33:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_7 [2023-12-02 15:33:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_7 [2023-12-02 15:33:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-12-02 15:33:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-12-02 15:33:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-12-02 15:33:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-12-02 15:33:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-12-02 15:33:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-12-02 15:33:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-12-02 15:33:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-12-02 15:33:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-12-02 15:33:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-12-02 15:33:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2023-12-02 15:33:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2023-12-02 15:33:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:33:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-12-02 15:33:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2023-12-02 15:33:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2023-12-02 15:33:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-12-02 15:33:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-12-02 15:33:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-12-02 15:33:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-12-02 15:33:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:33:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:33:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-12-02 15:33:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-12-02 15:33:14,439 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:33:14,442 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:33:15,052 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 15:33:19,098 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume !(0 == ~debug~0); [2023-12-02 15:33:19,099 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet350#1 := 0; [2023-12-02 15:33:19,099 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret362#1;havoc tlan_eisa_probe_#t~ret362#1; [2023-12-02 15:33:19,099 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041: SUMMARY for call tlan_eisa_probe_#t~ret362#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-12-02 15:33:19,099 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2023-12-02 15:33:19,100 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2023-12-02 15:33:19,100 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7043: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2023-12-02 15:33:19,100 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret363#1;havoc tlan_eisa_probe_#t~ret363#1; [2023-12-02 15:33:19,100 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: SUMMARY for call tlan_eisa_probe_#t~ret363#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-12-02 15:33:19,100 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2023-12-02 15:33:19,100 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2023-12-02 15:33:19,100 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7049: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2023-12-02 15:33:19,100 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret364#1;havoc tlan_eisa_probe_#t~ret364#1; [2023-12-02 15:33:19,101 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053: SUMMARY for call tlan_eisa_probe_#t~ret364#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-12-02 15:33:19,101 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume 1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296; [2023-12-02 15:33:19,101 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume !(1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296); [2023-12-02 15:33:19,101 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2023-12-02 15:33:19,101 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet365#1.base, tlan_eisa_probe_#t~nondet365#1.offset := 45, 0; [2023-12-02 15:33:19,101 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume !(16 == ~debug~0); [2023-12-02 15:33:19,101 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059-2: SUMMARY for call tlan_eisa_probe_#t~ret367#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-12-02 15:33:19,101 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7060-1: assume -2147483648 <= tlan_eisa_probe_#t~ret366#1 && tlan_eisa_probe_#t~ret366#1 <= 2147483647;havoc tlan_eisa_probe_#t~nondet365#1.base, tlan_eisa_probe_#t~nondet365#1.offset;havoc tlan_eisa_probe_#t~ret366#1; [2023-12-02 15:33:19,101 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7060: SUMMARY for call tlan_eisa_probe_#t~ret366#1 := printk(tlan_eisa_probe_#t~nondet365#1.base, tlan_eisa_probe_#t~nondet365#1.offset); srcloc: null [2023-12-02 15:33:19,102 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7063: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret367#1;havoc tlan_eisa_probe_#t~ret367#1;tlan_eisa_probe_#t~switch368#1 := 16 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-12-02 15:33:19,102 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7064: havoc tlan_eisa_probe_#t~switch368#1; [2023-12-02 15:33:19,102 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume tlan_eisa_probe_#t~switch368#1;tlan_eisa_probe_~irq~0#1 := 5; [2023-12-02 15:33:19,102 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume !tlan_eisa_probe_#t~switch368#1;tlan_eisa_probe_#t~switch368#1 := tlan_eisa_probe_#t~switch368#1 || 32 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-12-02 15:33:19,102 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##452: assume !(16 == ~debug~0); [2023-12-02 15:33:19,102 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##452: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet370#1.base, tlan_eisa_probe_#t~nondet370#1.offset := 46, 0; [2023-12-02 15:33:19,102 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##455: assume !(16 == ~debug~0); [2023-12-02 15:33:19,103 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##455: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet372#1.base, tlan_eisa_probe_#t~nondet372#1.offset := 47, 0; [2023-12-02 15:33:19,103 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume tlan_eisa_probe_#t~switch368#1;tlan_eisa_probe_~irq~0#1 := 9; [2023-12-02 15:33:19,103 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume !tlan_eisa_probe_#t~switch368#1;tlan_eisa_probe_#t~switch368#1 := tlan_eisa_probe_#t~switch368#1 || 64 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-12-02 15:33:19,103 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume tlan_eisa_probe_#t~switch368#1;tlan_eisa_probe_~irq~0#1 := 10; [2023-12-02 15:33:19,103 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume !tlan_eisa_probe_#t~switch368#1;tlan_eisa_probe_#t~switch368#1 := tlan_eisa_probe_#t~switch368#1 || 128 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-12-02 15:33:19,103 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume tlan_eisa_probe_#t~switch368#1;tlan_eisa_probe_~irq~0#1 := 11; [2023-12-02 15:33:19,104 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume !tlan_eisa_probe_#t~switch368#1;tlan_eisa_probe_#t~switch368#1 := true; [2023-12-02 15:33:19,104 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume tlan_eisa_probe_#t~switch368#1; [2023-12-02 15:33:19,104 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume !tlan_eisa_probe_#t~switch368#1; [2023-12-02 15:33:19,104 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7080: SUMMARY for call tlan_eisa_probe_#t~ret369#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2023-12-02 15:33:19,104 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7081: assume -2147483648 <= tlan_eisa_probe_#t~ret369#1 && tlan_eisa_probe_#t~ret369#1 <= 2147483647;tlan_eisa_probe_~rc~3#1 := tlan_eisa_probe_#t~ret369#1;havoc tlan_eisa_probe_#t~ret369#1; [2023-12-02 15:33:19,104 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7085-1: assume -2147483648 <= tlan_eisa_probe_#t~ret371#1 && tlan_eisa_probe_#t~ret371#1 <= 2147483647;havoc tlan_eisa_probe_#t~nondet370#1.base, tlan_eisa_probe_#t~nondet370#1.offset;havoc tlan_eisa_probe_#t~ret371#1; [2023-12-02 15:33:19,105 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7085: SUMMARY for call tlan_eisa_probe_#t~ret371#1 := printk(tlan_eisa_probe_#t~nondet370#1.base, tlan_eisa_probe_#t~nondet370#1.offset); srcloc: null [2023-12-02 15:33:19,105 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-3: assume 0 != tlan_eisa_probe_#t~nondet350#1;havoc tlan_eisa_probe_#t~nondet350#1; [2023-12-02 15:33:19,105 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-3: assume !(0 != tlan_eisa_probe_#t~nondet350#1);havoc tlan_eisa_probe_#t~nondet350#1; [2023-12-02 15:33:19,105 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet350#1 := ~debug~0; [2023-12-02 15:33:19,105 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume !(16 == ~debug~0);assume ~debug~0 < 0 || tlan_eisa_probe_#t~nondet350#1 <= ~debug~0;assume tlan_eisa_probe_#t~nondet350#1 <= 16;assume tlan_eisa_probe_#t~nondet350#1 >= 0;assume ~debug~0 >= 0 || tlan_eisa_probe_#t~nondet350#1 > 16 + ~debug~0;assume tlan_eisa_probe_#t~nondet350#1 >= -2147483648; [2023-12-02 15:33:19,105 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-5: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet354#1 := 0; [2023-12-02 15:33:19,106 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-5: assume !(0 == ~debug~0); [2023-12-02 15:33:19,106 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: SUMMARY for call tlan_eisa_probe_#t~ret351#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-12-02 15:33:19,106 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022-1: tlan_eisa_probe_~tmp~38#1 := tlan_eisa_probe_#t~ret351#1;havoc tlan_eisa_probe_#t~ret351#1;tlan_eisa_probe_#t~nondet352#1.base, tlan_eisa_probe_#t~nondet352#1.offset := 42, 0; [2023-12-02 15:33:19,106 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7023-1: assume -2147483648 <= tlan_eisa_probe_#t~ret353#1 && tlan_eisa_probe_#t~ret353#1 <= 2147483647;havoc tlan_eisa_probe_#t~nondet352#1.base, tlan_eisa_probe_#t~nondet352#1.offset;havoc tlan_eisa_probe_#t~ret353#1; [2023-12-02 15:33:19,106 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7023: SUMMARY for call tlan_eisa_probe_#t~ret353#1 := printk(tlan_eisa_probe_#t~nondet352#1.base, tlan_eisa_probe_#t~nondet352#1.offset); srcloc: null [2023-12-02 15:33:19,106 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7090-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2023-12-02 15:33:19,106 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7091-1: assume -2147483648 <= tlan_eisa_probe_#t~ret373#1 && tlan_eisa_probe_#t~ret373#1 <= 2147483647;havoc tlan_eisa_probe_#t~nondet372#1.base, tlan_eisa_probe_#t~nondet372#1.offset;havoc tlan_eisa_probe_#t~ret373#1; [2023-12-02 15:33:19,107 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7091: SUMMARY for call tlan_eisa_probe_#t~ret373#1 := printk(tlan_eisa_probe_#t~nondet372#1.base, tlan_eisa_probe_#t~nondet372#1.offset); srcloc: null [2023-12-02 15:33:19,107 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-3: assume 0 != tlan_eisa_probe_#t~nondet354#1;havoc tlan_eisa_probe_#t~nondet354#1; [2023-12-02 15:33:19,107 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-3: assume !(0 != tlan_eisa_probe_#t~nondet354#1);havoc tlan_eisa_probe_#t~nondet354#1; [2023-12-02 15:33:19,107 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet354#1 := ~debug~0; [2023-12-02 15:33:19,107 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume !(16 == ~debug~0);assume ~debug~0 < 0 || tlan_eisa_probe_#t~nondet354#1 <= ~debug~0;assume tlan_eisa_probe_#t~nondet354#1 <= 16;assume tlan_eisa_probe_#t~nondet354#1 >= 0;assume ~debug~0 >= 0 || tlan_eisa_probe_#t~nondet354#1 > 16 + ~debug~0;assume tlan_eisa_probe_#t~nondet354#1 >= -2147483648; [2023-12-02 15:33:19,107 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-5: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet358#1 := 0; [2023-12-02 15:33:19,108 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-5: assume !(0 == ~debug~0); [2023-12-02 15:33:19,108 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027-1: tlan_eisa_probe_~tmp___0~11#1 := tlan_eisa_probe_#t~ret355#1;havoc tlan_eisa_probe_#t~ret355#1;tlan_eisa_probe_#t~nondet356#1.base, tlan_eisa_probe_#t~nondet356#1.offset := 43, 0; [2023-12-02 15:33:19,108 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027: SUMMARY for call tlan_eisa_probe_#t~ret355#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-12-02 15:33:19,108 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7028-1: assume -2147483648 <= tlan_eisa_probe_#t~ret357#1 && tlan_eisa_probe_#t~ret357#1 <= 2147483647;havoc tlan_eisa_probe_#t~nondet356#1.base, tlan_eisa_probe_#t~nondet356#1.offset;havoc tlan_eisa_probe_#t~ret357#1; [2023-12-02 15:33:19,108 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7028: SUMMARY for call tlan_eisa_probe_#t~ret357#1 := printk(tlan_eisa_probe_#t~nondet356#1.base, tlan_eisa_probe_#t~nondet356#1.offset); srcloc: null [2023-12-02 15:33:19,108 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet358#1 := ~debug~0; [2023-12-02 15:33:19,109 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: assume !(16 == ~debug~0);assume ~debug~0 < 0 || tlan_eisa_probe_#t~nondet358#1 <= ~debug~0;assume tlan_eisa_probe_#t~nondet358#1 <= 16;assume tlan_eisa_probe_#t~nondet358#1 >= 0;assume ~debug~0 >= 0 || tlan_eisa_probe_#t~nondet358#1 > 16 + ~debug~0;assume tlan_eisa_probe_#t~nondet358#1 >= -2147483648; [2023-12-02 15:33:19,109 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2023-12-02 15:33:19,109 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2023-12-02 15:33:19,109 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-5: call tlan_eisa_probe_#t~ret361#1.base, tlan_eisa_probe_#t~ret361#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset := tlan_eisa_probe_#t~ret361#1.base, tlan_eisa_probe_#t~ret361#1.offset;havoc tlan_eisa_probe_#t~ret361#1.base, tlan_eisa_probe_#t~ret361#1.offset; [2023-12-02 15:33:19,109 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-3: assume 0 != tlan_eisa_probe_#t~nondet358#1;havoc tlan_eisa_probe_#t~nondet358#1;tlan_eisa_probe_#t~nondet359#1.base, tlan_eisa_probe_#t~nondet359#1.offset := 44, 0; [2023-12-02 15:33:19,109 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-3: assume !(0 != tlan_eisa_probe_#t~nondet358#1);havoc tlan_eisa_probe_#t~nondet358#1; [2023-12-02 15:33:19,110 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7032-1: assume -2147483648 <= tlan_eisa_probe_#t~ret360#1 && tlan_eisa_probe_#t~ret360#1 <= 2147483647;havoc tlan_eisa_probe_#t~nondet359#1.base, tlan_eisa_probe_#t~nondet359#1.offset;havoc tlan_eisa_probe_#t~ret360#1; [2023-12-02 15:33:19,110 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7032: SUMMARY for call tlan_eisa_probe_#t~ret360#1 := printk(tlan_eisa_probe_#t~nondet359#1.base, tlan_eisa_probe_#t~nondet359#1.offset); srcloc: null [2023-12-02 15:33:19,110 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume 0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616; [2023-12-02 15:33:19,110 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume !(0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616); [2023-12-02 15:33:19,262 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:33:22,135 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:33:22,136 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 15:33:22,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:33:22 BoogieIcfgContainer [2023-12-02 15:33:22,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:33:22,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:33:22,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:33:22,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:33:22,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:33:10" (1/3) ... [2023-12-02 15:33:22,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3baeb836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:33:22, skipping insertion in model container [2023-12-02 15:33:22,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:33:13" (2/3) ... [2023-12-02 15:33:22,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3baeb836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:33:22, skipping insertion in model container [2023-12-02 15:33:22,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:33:22" (3/3) ... [2023-12-02 15:33:22,147 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2023-12-02 15:33:22,167 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:33:22,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:33:22,257 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:33:22,263 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;@70a31dd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:33:22,263 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:33:22,276 INFO L276 IsEmpty]: Start isEmpty. Operand has 1856 states, 1112 states have (on average 1.283273381294964) internal successors, (1427), 1153 states have internal predecessors, (1427), 640 states have call successors, (640), 103 states have call predecessors, (640), 102 states have return successors, (632), 625 states have call predecessors, (632), 632 states have call successors, (632) [2023-12-02 15:33:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-02 15:33:22,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:33:22,309 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 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] [2023-12-02 15:33:22,309 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:33:22,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:33:22,315 INFO L85 PathProgramCache]: Analyzing trace with hash -226559006, now seen corresponding path program 1 times [2023-12-02 15:33:22,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:33:22,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585570142] [2023-12-02 15:33:22,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:33:22,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:33:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:33:23,585 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2023-12-02 15:33:23,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:33:23,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585570142] [2023-12-02 15:33:23,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585570142] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:33:23,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:33:23,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:33:23,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574379031] [2023-12-02 15:33:23,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:33:23,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:33:23,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:33:23,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:33:23,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:33:23,631 INFO L87 Difference]: Start difference. First operand has 1856 states, 1112 states have (on average 1.283273381294964) internal successors, (1427), 1153 states have internal predecessors, (1427), 640 states have call successors, (640), 103 states have call predecessors, (640), 102 states have return successors, (632), 625 states have call predecessors, (632), 632 states have call successors, (632) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 15:33:26,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:33:28,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:33:30,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:33:30,401 INFO L93 Difference]: Finished difference Result 3704 states and 5420 transitions. [2023-12-02 15:33:30,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:33:30,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 149 [2023-12-02 15:33:30,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:33:30,439 INFO L225 Difference]: With dead ends: 3704 [2023-12-02 15:33:30,439 INFO L226 Difference]: Without dead ends: 1841 [2023-12-02 15:33:30,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:33:30,462 INFO L413 NwaCegarLoop]: 2374 mSDtfsCounter, 12 mSDsluCounter, 2371 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 4745 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:33:30,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 4745 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 645 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2023-12-02 15:33:30,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-12-02 15:33:30,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1825. [2023-12-02 15:33:30,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1098 states have (on average 1.2723132969034607) internal successors, (1397), 1129 states have internal predecessors, (1397), 626 states have call successors, (626), 101 states have call predecessors, (626), 100 states have return successors, (625), 618 states have call predecessors, (625), 625 states have call successors, (625) [2023-12-02 15:33:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2648 transitions. [2023-12-02 15:33:30,654 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2648 transitions. Word has length 149 [2023-12-02 15:33:30,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:33:30,656 INFO L495 AbstractCegarLoop]: Abstraction has 1825 states and 2648 transitions. [2023-12-02 15:33:30,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 15:33:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2648 transitions. [2023-12-02 15:33:30,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 15:33:30,667 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:33:30,667 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:33:30,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:33:30,668 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:33:30,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:33:30,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1872504140, now seen corresponding path program 1 times [2023-12-02 15:33:30,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:33:30,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917819277] [2023-12-02 15:33:30,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:33:30,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:33:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:33:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-12-02 15:33:31,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:33:31,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917819277] [2023-12-02 15:33:31,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917819277] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:33:31,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:33:31,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:33:31,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323407100] [2023-12-02 15:33:31,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:33:31,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:33:31,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:33:31,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:33:31,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:33:31,405 INFO L87 Difference]: Start difference. First operand 1825 states and 2648 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 15:33:34,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:33:36,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:33:38,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:33:38,939 INFO L93 Difference]: Finished difference Result 5222 states and 7578 transitions. [2023-12-02 15:33:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:33:38,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2023-12-02 15:33:38,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:33:38,967 INFO L225 Difference]: With dead ends: 5222 [2023-12-02 15:33:38,967 INFO L226 Difference]: Without dead ends: 3422 [2023-12-02 15:33:38,981 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 [2023-12-02 15:33:38,982 INFO L413 NwaCegarLoop]: 2707 mSDtfsCounter, 2342 mSDsluCounter, 2261 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2342 SdHoareTripleChecker+Valid, 4968 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:33:38,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2342 Valid, 4968 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 713 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2023-12-02 15:33:38,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3422 states. [2023-12-02 15:33:39,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3422 to 3417. [2023-12-02 15:33:39,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3417 states, 2049 states have (on average 1.2674475353831136) internal successors, (2597), 2108 states have internal predecessors, (2597), 1182 states have call successors, (1182), 186 states have call predecessors, (1182), 185 states have return successors, (1181), 1166 states have call predecessors, (1181), 1181 states have call successors, (1181) [2023-12-02 15:33:39,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 3417 states and 4960 transitions. [2023-12-02 15:33:39,149 INFO L78 Accepts]: Start accepts. Automaton has 3417 states and 4960 transitions. Word has length 161 [2023-12-02 15:33:39,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:33:39,150 INFO L495 AbstractCegarLoop]: Abstraction has 3417 states and 4960 transitions. [2023-12-02 15:33:39,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 15:33:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 4960 transitions. [2023-12-02 15:33:39,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 15:33:39,155 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:33:39,155 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 2, 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] [2023-12-02 15:33:39,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:33:39,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:33:39,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:33:39,156 INFO L85 PathProgramCache]: Analyzing trace with hash 2038560560, now seen corresponding path program 1 times [2023-12-02 15:33:39,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:33:39,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053677233] [2023-12-02 15:33:39,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:33:39,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:33:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:33:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 15:33:39,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:33:39,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053677233] [2023-12-02 15:33:39,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053677233] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:33:39,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:33:39,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:33:39,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506313220] [2023-12-02 15:33:39,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:33:39,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:33:39,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:33:39,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:33:39,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:33:39,720 INFO L87 Difference]: Start difference. First operand 3417 states and 4960 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 15:33:41,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:33:44,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:33:46,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:33:48,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:33:48,291 INFO L93 Difference]: Finished difference Result 9693 states and 14041 transitions. [2023-12-02 15:33:48,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:33:48,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2023-12-02 15:33:48,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:33:48,365 INFO L225 Difference]: With dead ends: 9693 [2023-12-02 15:33:48,366 INFO L226 Difference]: Without dead ends: 6304 [2023-12-02 15:33:48,401 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 [2023-12-02 15:33:48,402 INFO L413 NwaCegarLoop]: 2430 mSDtfsCounter, 2280 mSDsluCounter, 2205 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2280 SdHoareTripleChecker+Valid, 4635 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:33:48,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2280 Valid, 4635 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 710 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2023-12-02 15:33:48,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6304 states. [2023-12-02 15:33:48,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6304 to 6295. [2023-12-02 15:33:48,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6295 states, 3756 states have (on average 1.2577209797657083) internal successors, (4724), 3877 states have internal predecessors, (4724), 2192 states have call successors, (2192), 348 states have call predecessors, (2192), 346 states have return successors, (2193), 2155 states have call predecessors, (2193), 2191 states have call successors, (2193) [2023-12-02 15:33:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 9109 transitions. [2023-12-02 15:33:48,904 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 9109 transitions. Word has length 165 [2023-12-02 15:33:48,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:33:48,905 INFO L495 AbstractCegarLoop]: Abstraction has 6295 states and 9109 transitions. [2023-12-02 15:33:48,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 15:33:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 9109 transitions. [2023-12-02 15:33:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 15:33:48,910 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:33:48,910 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 2, 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] [2023-12-02 15:33:48,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 15:33:48,911 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:33:48,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:33:48,911 INFO L85 PathProgramCache]: Analyzing trace with hash -523133030, now seen corresponding path program 1 times [2023-12-02 15:33:48,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:33:48,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108251809] [2023-12-02 15:33:48,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:33:48,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:33:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:33:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-12-02 15:33:49,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:33:49,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108251809] [2023-12-02 15:33:49,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108251809] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:33:49,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610371425] [2023-12-02 15:33:49,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:33:49,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:33:49,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:33:49,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:33:49,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:33:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:33:50,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:33:50,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:33:50,835 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2023-12-02 15:33:50,835 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:33:50,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610371425] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:33:50,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:33:50,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-12-02 15:33:50,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379548182] [2023-12-02 15:33:50,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:33:50,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:33:50,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:33:50,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:33:50,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:33:50,838 INFO L87 Difference]: Start difference. First operand 6295 states and 9109 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-02 15:33:53,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:33:55,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:33:57,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:33:57,556 INFO L93 Difference]: Finished difference Result 12610 states and 18303 transitions. [2023-12-02 15:33:57,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:33:57,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 163 [2023-12-02 15:33:57,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:33:57,599 INFO L225 Difference]: With dead ends: 12610 [2023-12-02 15:33:57,599 INFO L226 Difference]: Without dead ends: 6343 [2023-12-02 15:33:57,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:33:57,641 INFO L413 NwaCegarLoop]: 2330 mSDtfsCounter, 6 mSDsluCounter, 2326 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4656 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:33:57,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4656 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 632 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2023-12-02 15:33:57,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6343 states. [2023-12-02 15:33:57,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6343 to 6319. [2023-12-02 15:33:57,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6319 states, 3776 states have (on average 1.257415254237288) internal successors, (4748), 3897 states have internal predecessors, (4748), 2196 states have call successors, (2196), 348 states have call predecessors, (2196), 346 states have return successors, (2197), 2159 states have call predecessors, (2197), 2195 states have call successors, (2197) [2023-12-02 15:33:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6319 states to 6319 states and 9141 transitions. [2023-12-02 15:33:57,964 INFO L78 Accepts]: Start accepts. Automaton has 6319 states and 9141 transitions. Word has length 163 [2023-12-02 15:33:57,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:33:57,965 INFO L495 AbstractCegarLoop]: Abstraction has 6319 states and 9141 transitions. [2023-12-02 15:33:57,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-02 15:33:57,966 INFO L276 IsEmpty]: Start isEmpty. Operand 6319 states and 9141 transitions. [2023-12-02 15:33:57,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 15:33:57,968 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:33:57,969 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 2, 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] [2023-12-02 15:33:57,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:33:58,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:33:58,170 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:33:58,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:33:58,170 INFO L85 PathProgramCache]: Analyzing trace with hash -618894642, now seen corresponding path program 1 times [2023-12-02 15:33:58,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:33:58,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865164376] [2023-12-02 15:33:58,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:33:58,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:33:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:33:58,852 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2023-12-02 15:33:58,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:33:58,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865164376] [2023-12-02 15:33:58,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865164376] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:33:58,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557276593] [2023-12-02 15:33:58,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:33:58,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:33:58,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:33:58,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:33:58,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab13e99-1e6b-47d2-a118-f230a58814b8/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 15:33:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:33:59,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 3271 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:33:59,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:33:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2023-12-02 15:33:59,995 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:34:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2023-12-02 15:34:00,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557276593] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:34:00,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2035827337] [2023-12-02 15:34:00,144 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2023-12-02 15:34:00,145 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:34:00,147 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:34:00,151 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:34:00,151 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:42:14,528 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 213 for LOIs [2023-12-02 15:42:15,040 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 198 for LOIs [2023-12-02 15:42:16,882 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 227 for LOIs [2023-12-02 15:42:16,970 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 231 for LOIs [2023-12-02 15:42:17,073 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 213 for LOIs [2023-12-02 15:42:17,164 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:43:32,489 WARN L293 SmtUtils]: Spent 1.24m on a formula simplification. DAG size of input: 2373 DAG size of output: 2367 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:45:35,410 WARN L293 SmtUtils]: Spent 1.83m on a formula simplification. DAG size of input: 2908 DAG size of output: 2903 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:47:35,210 WARN L293 SmtUtils]: Spent 1.95m on a formula simplification. DAG size of input: 2912 DAG size of output: 2907 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)