./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:52:33,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:33,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:52:33,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:33,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:33,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:33,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:33,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:33,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:33,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:33,194 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:33,196 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:33,196 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:33,198 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:52:33,198 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:33,199 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:33,199 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:52:33,199 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:52:33,200 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:33,200 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:52:33,201 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:52:33,201 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:52:33,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:33,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:33,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:52:33,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:33,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:33,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:33,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:33,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:33,207 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:33,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:33,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:33,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:33,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:33,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:33,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:33,208 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:52:33,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:52:33,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:33,209 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:33,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:33,210 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_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 [2023-11-19 04:52:33,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:33,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:33,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:33,582 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:33,583 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:33,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2023-11-19 04:52:36,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:52:37,310 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:52:37,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2023-11-19 04:52:37,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/data/911db6842/038dd2e2c06b4c48a2d58f74cf346773/FLAG5b4ea3bd8 [2023-11-19 04:52:37,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/data/911db6842/038dd2e2c06b4c48a2d58f74cf346773 [2023-11-19 04:52:37,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:52:37,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:52:37,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:37,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:52:37,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:52:37,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:37" (1/1) ... [2023-11-19 04:52:37,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2406a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:37, skipping insertion in model container [2023-11-19 04:52:37,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:37" (1/1) ... [2023-11-19 04:52:37,570 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:52:39,876 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_b984df42-81fc-4a84-8cfd-e439aff432c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2023-11-19 04:52:39,883 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_b984df42-81fc-4a84-8cfd-e439aff432c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2023-11-19 04:52:39,884 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_b984df42-81fc-4a84-8cfd-e439aff432c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2023-11-19 04:52:39,884 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_b984df42-81fc-4a84-8cfd-e439aff432c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2023-11-19 04:52:39,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:39,957 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:52:40,103 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"); [5761] [2023-11-19 04:52:40,107 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)); [5768] [2023-11-19 04:52:40,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5775] [2023-11-19 04:52:40,116 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5805-5806] [2023-11-19 04:52:40,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5811-5813] [2023-11-19 04:52:40,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5870] [2023-11-19 04:52:40,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5878] [2023-11-19 04:52:40,442 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_b984df42-81fc-4a84-8cfd-e439aff432c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2023-11-19 04:52:40,443 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_b984df42-81fc-4a84-8cfd-e439aff432c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2023-11-19 04:52:40,444 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_b984df42-81fc-4a84-8cfd-e439aff432c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2023-11-19 04:52:40,444 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_b984df42-81fc-4a84-8cfd-e439aff432c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2023-11-19 04:52:40,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:40,623 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:40,632 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:52:40,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40 WrapperNode [2023-11-19 04:52:40,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:40,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:40,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:52:40,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:52:40,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40" (1/1) ... [2023-11-19 04:52:40,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40" (1/1) ... [2023-11-19 04:52:40,968 INFO L138 Inliner]: procedures = 290, calls = 1916, calls flagged for inlining = 144, calls inlined = 136, statements flattened = 4856 [2023-11-19 04:52:40,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:40,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:52:40,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:52:40,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:52:40,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40" (1/1) ... [2023-11-19 04:52:40,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40" (1/1) ... [2023-11-19 04:52:41,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40" (1/1) ... [2023-11-19 04:52:41,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40" (1/1) ... [2023-11-19 04:52:41,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40" (1/1) ... [2023-11-19 04:52:41,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40" (1/1) ... [2023-11-19 04:52:41,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40" (1/1) ... [2023-11-19 04:52:41,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40" (1/1) ... [2023-11-19 04:52:41,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:52:41,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:52:41,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:52:41,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:52:41,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40" (1/1) ... [2023-11-19 04:52:41,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:41,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:41,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:52:41,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984df42-81fc-4a84-8cfd-e439aff432c8/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:52:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2023-11-19 04:52:41,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2023-11-19 04:52:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:52:41,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:52:41,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:52:41,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:52:41,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:52:41,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:52:41,456 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2023-11-19 04:52:41,456 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2023-11-19 04:52:41,456 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2023-11-19 04:52:41,457 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2023-11-19 04:52:41,457 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-11-19 04:52:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-11-19 04:52:41,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:52:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:52:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:52:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:52:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-19 04:52:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-19 04:52:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2023-11-19 04:52:41,462 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2023-11-19 04:52:41,462 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:52:41,463 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:52:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2023-11-19 04:52:41,463 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2023-11-19 04:52:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2023-11-19 04:52:41,463 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2023-11-19 04:52:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2023-11-19 04:52:41,464 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2023-11-19 04:52:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2023-11-19 04:52:41,464 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2023-11-19 04:52:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:52:41,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:52:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2023-11-19 04:52:41,464 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2023-11-19 04:52:41,465 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:52:41,465 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:52:41,465 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2023-11-19 04:52:41,465 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2023-11-19 04:52:41,465 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-19 04:52:41,465 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-19 04:52:41,466 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 04:52:41,466 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 04:52:41,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:52:41,466 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:52:41,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:52:41,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:52:41,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:52:41,467 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2023-11-19 04:52:41,468 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2023-11-19 04:52:41,468 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2023-11-19 04:52:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2023-11-19 04:52:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-19 04:52:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-19 04:52:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:52:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:52:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2023-11-19 04:52:41,470 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2023-11-19 04:52:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:52:41,470 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:52:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:52:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:52:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2023-11-19 04:52:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2023-11-19 04:52:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2023-11-19 04:52:41,472 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2023-11-19 04:52:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:52:41,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:52:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 04:52:41,472 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 04:52:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:52:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:52:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-19 04:52:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-19 04:52:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:52:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:52:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2023-11-19 04:52:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2023-11-19 04:52:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:52:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:52:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 04:52:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 04:52:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:52:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:52:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:52:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:52:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 04:52:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 04:52:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2023-11-19 04:52:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2023-11-19 04:52:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2023-11-19 04:52:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2023-11-19 04:52:41,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:52:41,477 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-11-19 04:52:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-11-19 04:52:41,477 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2023-11-19 04:52:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2023-11-19 04:52:41,478 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:52:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:52:41,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:52:41,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:52:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:52:41,479 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2023-11-19 04:52:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2023-11-19 04:52:41,480 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 04:52:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 04:52:41,481 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2023-11-19 04:52:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2023-11-19 04:52:41,481 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 04:52:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 04:52:41,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:52:41,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 04:52:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 04:52:41,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:52:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:52:41,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:52:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:52:41,482 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2023-11-19 04:52:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2023-11-19 04:52:41,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:52:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:52:41,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:52:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:52:41,484 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-11-19 04:52:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-11-19 04:52:41,484 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 04:52:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 04:52:41,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:52:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-19 04:52:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-19 04:52:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2023-11-19 04:52:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2023-11-19 04:52:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 04:52:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 04:52:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:52:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:52:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2023-11-19 04:52:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2023-11-19 04:52:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2023-11-19 04:52:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2023-11-19 04:52:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2023-11-19 04:52:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2023-11-19 04:52:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:52:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:52:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:52:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2023-11-19 04:52:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2023-11-19 04:52:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:52:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:52:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:52:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:52:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:52:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:52:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:52:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:52:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:52:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:52:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2023-11-19 04:52:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2023-11-19 04:52:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2023-11-19 04:52:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2023-11-19 04:52:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2023-11-19 04:52:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2023-11-19 04:52:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:52:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:52:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2023-11-19 04:52:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2023-11-19 04:52:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2023-11-19 04:52:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2023-11-19 04:52:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:52:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:52:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2023-11-19 04:52:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2023-11-19 04:52:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2023-11-19 04:52:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2023-11-19 04:52:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 04:52:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 04:52:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:52:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:52:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-11-19 04:52:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-11-19 04:52:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 04:52:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 04:52:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:52:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-19 04:52:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-19 04:52:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2023-11-19 04:52:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2023-11-19 04:52:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:52:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:52:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-11-19 04:52:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-11-19 04:52:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:52:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:52:42,161 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:52:42,166 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:52:42,435 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:52:47,294 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:52:48,520 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:52:50,998 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:52:50,999 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:52:51,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:51 BoogieIcfgContainer [2023-11-19 04:52:51,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:52:51,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:52:51,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:52:51,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:52:51,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:52:37" (1/3) ... [2023-11-19 04:52:51,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0816b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:51, skipping insertion in model container [2023-11-19 04:52:51,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:40" (2/3) ... [2023-11-19 04:52:51,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0816b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:51, skipping insertion in model container [2023-11-19 04:52:51,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:51" (3/3) ... [2023-11-19 04:52:51,031 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2023-11-19 04:52:51,053 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:52:51,053 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:52:51,185 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:52:51,194 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;@4e0b5552, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:52:51,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:52:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 1704 states, 928 states have (on average 1.2532327586206897) internal successors, (1163), 952 states have internal predecessors, (1163), 686 states have call successors, (686), 89 states have call predecessors, (686), 88 states have return successors, (682), 671 states have call predecessors, (682), 682 states have call successors, (682) [2023-11-19 04:52:51,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:52:51,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:51,233 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:51,233 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:51,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:51,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1399836545, now seen corresponding path program 1 times [2023-11-19 04:52:51,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:51,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543186808] [2023-11-19 04:52:51,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:51,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:52,113 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 04:52:52,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:52,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543186808] [2023-11-19 04:52:52,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543186808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:52,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:52,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:52:52,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240593189] [2023-11-19 04:52:52,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:52,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:52,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:52,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:52,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:52,181 INFO L87 Difference]: Start difference. First operand has 1704 states, 928 states have (on average 1.2532327586206897) internal successors, (1163), 952 states have internal predecessors, (1163), 686 states have call successors, (686), 89 states have call predecessors, (686), 88 states have return successors, (682), 671 states have call predecessors, (682), 682 states have call successors, (682) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-19 04:52:56,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:58,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:58,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:58,993 INFO L93 Difference]: Finished difference Result 5036 states and 7489 transitions. [2023-11-19 04:52:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:52:58,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 66 [2023-11-19 04:52:58,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:59,070 INFO L225 Difference]: With dead ends: 5036 [2023-11-19 04:52:59,070 INFO L226 Difference]: Without dead ends: 3334 [2023-11-19 04:52:59,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:59,103 INFO L413 NwaCegarLoop]: 2316 mSDtfsCounter, 2474 mSDsluCounter, 2265 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2474 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:59,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2474 Valid, 4581 Invalid, 458 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-11-19 04:52:59,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2023-11-19 04:52:59,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 3332. [2023-11-19 04:52:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3332 states, 1813 states have (on average 1.2487589630446774) internal successors, (2264), 1859 states have internal predecessors, (2264), 1343 states have call successors, (1343), 175 states have call predecessors, (1343), 174 states have return successors, (1341), 1319 states have call predecessors, (1341), 1341 states have call successors, (1341) [2023-11-19 04:52:59,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 3332 states and 4948 transitions. [2023-11-19 04:52:59,652 INFO L78 Accepts]: Start accepts. Automaton has 3332 states and 4948 transitions. Word has length 66 [2023-11-19 04:52:59,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:59,653 INFO L495 AbstractCegarLoop]: Abstraction has 3332 states and 4948 transitions. [2023-11-19 04:52:59,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-19 04:52:59,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 4948 transitions. [2023-11-19 04:52:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 04:52:59,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:59,676 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:59,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:52:59,677 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:59,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:59,679 INFO L85 PathProgramCache]: Analyzing trace with hash -137310383, now seen corresponding path program 1 times [2023-11-19 04:52:59,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:59,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854306305] [2023-11-19 04:52:59,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:59,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 04:53:00,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:00,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854306305] [2023-11-19 04:53:00,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854306305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:00,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:00,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:53:00,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606677237] [2023-11-19 04:53:00,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:00,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:53:00,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:00,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:53:00,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:00,136 INFO L87 Difference]: Start difference. First operand 3332 states and 4948 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-19 04:53:03,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:03,575 INFO L93 Difference]: Finished difference Result 7325 states and 10895 transitions. [2023-11-19 04:53:03,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:53:03,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 89 [2023-11-19 04:53:03,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:03,625 INFO L225 Difference]: With dead ends: 7325 [2023-11-19 04:53:03,626 INFO L226 Difference]: Without dead ends: 4004 [2023-11-19 04:53:03,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:03,655 INFO L413 NwaCegarLoop]: 2301 mSDtfsCounter, 1718 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 4552 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:03,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 4552 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-19 04:53:03,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4004 states. [2023-11-19 04:53:04,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4004 to 3997. [2023-11-19 04:53:04,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3997 states, 2163 states have (on average 1.2450300508552936) internal successors, (2693), 2212 states have internal predecessors, (2693), 1618 states have call successors, (1618), 215 states have call predecessors, (1618), 214 states have return successors, (1616), 1594 states have call predecessors, (1616), 1616 states have call successors, (1616) [2023-11-19 04:53:04,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3997 states to 3997 states and 5927 transitions. [2023-11-19 04:53:04,057 INFO L78 Accepts]: Start accepts. Automaton has 3997 states and 5927 transitions. Word has length 89 [2023-11-19 04:53:04,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:04,060 INFO L495 AbstractCegarLoop]: Abstraction has 3997 states and 5927 transitions. [2023-11-19 04:53:04,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-19 04:53:04,061 INFO L276 IsEmpty]: Start isEmpty. Operand 3997 states and 5927 transitions. [2023-11-19 04:53:04,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 04:53:04,071 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:04,071 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 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] [2023-11-19 04:53:04,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:53:04,072 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:04,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:04,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1814715809, now seen corresponding path program 1 times [2023-11-19 04:53:04,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:04,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048293885] [2023-11-19 04:53:04,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:04,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-19 04:53:04,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:04,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048293885] [2023-11-19 04:53:04,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048293885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:04,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:04,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:53:04,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208679883] [2023-11-19 04:53:04,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:04,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:53:04,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:04,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:53:04,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:53:04,747 INFO L87 Difference]: Start difference. First operand 3997 states and 5927 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 04:53:07,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:08,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:08,829 INFO L93 Difference]: Finished difference Result 3997 states and 5927 transitions. [2023-11-19 04:53:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:53:08,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 108 [2023-11-19 04:53:08,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:08,875 INFO L225 Difference]: With dead ends: 3997 [2023-11-19 04:53:08,875 INFO L226 Difference]: Without dead ends: 3972 [2023-11-19 04:53:08,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:53:08,886 INFO L413 NwaCegarLoop]: 2285 mSDtfsCounter, 2474 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2474 SdHoareTripleChecker+Valid, 4570 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:08,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2474 Valid, 4570 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-19 04:53:08,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3972 states. [2023-11-19 04:53:09,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3972 to 3972. [2023-11-19 04:53:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3972 states, 2151 states have (on average 1.2436076243607623) internal successors, (2675), 2196 states have internal predecessors, (2675), 1606 states have call successors, (1606), 214 states have call predecessors, (1606), 214 states have return successors, (1606), 1586 states have call predecessors, (1606), 1606 states have call successors, (1606) [2023-11-19 04:53:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3972 states to 3972 states and 5887 transitions. [2023-11-19 04:53:09,359 INFO L78 Accepts]: Start accepts. Automaton has 3972 states and 5887 transitions. Word has length 108 [2023-11-19 04:53:09,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:09,361 INFO L495 AbstractCegarLoop]: Abstraction has 3972 states and 5887 transitions. [2023-11-19 04:53:09,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 04:53:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 3972 states and 5887 transitions. [2023-11-19 04:53:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 04:53:09,373 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:09,374 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 5, 5, 2, 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, 1] [2023-11-19 04:53:09,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:53:09,374 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:09,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:09,375 INFO L85 PathProgramCache]: Analyzing trace with hash -185672027, now seen corresponding path program 1 times [2023-11-19 04:53:09,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:09,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613507625] [2023-11-19 04:53:09,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:09,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-19 04:53:09,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:09,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613507625] [2023-11-19 04:53:09,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613507625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:09,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:09,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:53:09,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995894377] [2023-11-19 04:53:09,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:09,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:53:09,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:09,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:53:09,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:09,827 INFO L87 Difference]: Start difference. First operand 3972 states and 5887 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-19 04:53:13,982 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 [] [2023-11-19 04:53:15,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:15,126 INFO L93 Difference]: Finished difference Result 7975 states and 11822 transitions. [2023-11-19 04:53:15,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:53:15,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 136 [2023-11-19 04:53:15,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:15,181 INFO L225 Difference]: With dead ends: 7975 [2023-11-19 04:53:15,181 INFO L226 Difference]: Without dead ends: 5135 [2023-11-19 04:53:15,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:15,213 INFO L413 NwaCegarLoop]: 3818 mSDtfsCounter, 1704 mSDsluCounter, 2217 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 6035 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:15,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1704 Valid, 6035 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 635 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2023-11-19 04:53:15,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5135 states. [2023-11-19 04:53:15,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5135 to 5134. [2023-11-19 04:53:15,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5134 states, 2778 states have (on average 1.2429805615550755) internal successors, (3453), 2835 states have internal predecessors, (3453), 2076 states have call successors, (2076), 279 states have call predecessors, (2076), 279 states have return successors, (2076), 2051 states have call predecessors, (2076), 2076 states have call successors, (2076) [2023-11-19 04:53:15,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5134 states to 5134 states and 7605 transitions. [2023-11-19 04:53:15,844 INFO L78 Accepts]: Start accepts. Automaton has 5134 states and 7605 transitions. Word has length 136 [2023-11-19 04:53:15,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:15,845 INFO L495 AbstractCegarLoop]: Abstraction has 5134 states and 7605 transitions. [2023-11-19 04:53:15,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-19 04:53:15,846 INFO L276 IsEmpty]: Start isEmpty. Operand 5134 states and 7605 transitions. [2023-11-19 04:53:15,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-19 04:53:15,880 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:15,881 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-19 04:53:15,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:53:15,883 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:15,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:15,884 INFO L85 PathProgramCache]: Analyzing trace with hash -829268166, now seen corresponding path program 1 times [2023-11-19 04:53:15,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:15,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338823116] [2023-11-19 04:53:15,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:15,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-11-19 04:53:16,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:16,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338823116] [2023-11-19 04:53:16,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338823116] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:16,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:16,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:53:16,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684888125] [2023-11-19 04:53:16,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:16,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:53:16,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:16,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:53:16,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:53:16,652 INFO L87 Difference]: Start difference. First operand 5134 states and 7605 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 04:53:20,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:20,425 INFO L93 Difference]: Finished difference Result 5134 states and 7605 transitions. [2023-11-19 04:53:20,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:53:20,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 198 [2023-11-19 04:53:20,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:20,427 INFO L225 Difference]: With dead ends: 5134 [2023-11-19 04:53:20,428 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:53:20,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:53:20,464 INFO L413 NwaCegarLoop]: 2264 mSDtfsCounter, 2418 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 4527 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:20,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 4527 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-19 04:53:20,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:53:20,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:53:20,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:53:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:53:20,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198 [2023-11-19 04:53:20,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:20,468 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:53:20,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 04:53:20,469 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:53:20,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:53:20,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-19 04:53:20,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-19 04:53:20,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 04:53:20,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.