./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_pcie.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_pcie.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 138fe782a458987488cb714d4ee7d6a854842ca7c110303f565f817a9360a8e5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:13:47,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:13:47,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:13:47,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:13:47,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:13:47,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:13:47,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:13:47,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:13:47,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:13:47,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:13:47,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:13:47,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:13:47,503 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:13:47,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:13:47,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:13:47,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:13:47,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:13:47,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:13:47,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:13:47,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:13:47,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:13:47,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:13:47,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:13:47,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:13:47,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:13:47,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:47,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:13:47,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:13:47,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:13:47,513 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:13:47,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:13:47,515 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:13:47,515 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:13:47,515 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:13:47,516 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:13:47,516 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:13:47,517 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 138fe782a458987488cb714d4ee7d6a854842ca7c110303f565f817a9360a8e5 [2023-11-12 02:13:47,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:13:47,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:13:47,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:13:47,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:13:47,827 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:13:47,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_pcie.ko-entry_point.cil.out.i [2023-11-12 02:13:51,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:13:51,768 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:13:51,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_pcie.ko-entry_point.cil.out.i [2023-11-12 02:13:51,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/data/a1191a924/120c0e8a6d1d40f1ba2019ebfe4e0b62/FLAG8ad0fe32d [2023-11-12 02:13:51,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/data/a1191a924/120c0e8a6d1d40f1ba2019ebfe4e0b62 [2023-11-12 02:13:51,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:13:51,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:13:51,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:51,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:13:51,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:13:51,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:51" (1/1) ... [2023-11-12 02:13:51,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3433dc34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:51, skipping insertion in model container [2023-11-12 02:13:51,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:51" (1/1) ... [2023-11-12 02:13:52,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:13:53,336 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_22afeb2f-7606-4883-b856-a94238458eac/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_pcie.ko-entry_point.cil.out.i[213580,213593] [2023-11-12 02:13:54,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:54,610 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:13:54,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [7074-7075] [2023-11-12 02:13:54,799 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"); [7080-7082] [2023-11-12 02:13:54,808 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)); [7219-7220] [2023-11-12 02:13:54,813 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)); [7248-7249] [2023-11-12 02:13:54,820 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_22afeb2f-7606-4883-b856-a94238458eac/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_pcie.ko-entry_point.cil.out.i[213580,213593] [2023-11-12 02:13:55,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:55,437 WARN L672 CHandler]: The function __VERIFIER_nondet_u8 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:13:55,437 WARN L672 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:13:55,446 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:13:55,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55 WrapperNode [2023-11-12 02:13:55,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:55,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:13:55,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:13:55,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:13:55,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55" (1/1) ... [2023-11-12 02:13:55,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55" (1/1) ... [2023-11-12 02:13:55,789 INFO L138 Inliner]: procedures = 247, calls = 2735, calls flagged for inlining = 135, calls inlined = 132, statements flattened = 6938 [2023-11-12 02:13:55,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:13:55,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:13:55,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:13:55,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:13:55,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55" (1/1) ... [2023-11-12 02:13:55,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55" (1/1) ... [2023-11-12 02:13:55,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55" (1/1) ... [2023-11-12 02:13:55,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55" (1/1) ... [2023-11-12 02:13:56,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55" (1/1) ... [2023-11-12 02:13:56,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55" (1/1) ... [2023-11-12 02:13:56,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55" (1/1) ... [2023-11-12 02:13:56,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55" (1/1) ... [2023-11-12 02:13:56,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:13:56,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:13:56,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:13:56,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:13:56,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55" (1/1) ... [2023-11-12 02:13:56,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:56,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:13:56,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:13:56,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afeb2f-7606-4883-b856-a94238458eac/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:13:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2023-11-12 02:13:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2023-11-12 02:13:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pm_wakeup_card [2023-11-12 02:13:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pm_wakeup_card [2023-11-12 02:13:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:13:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:13:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:13:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:13:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-12 02:13:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-12 02:13:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_delete_cmdrsp_buf [2023-11-12 02:13:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_delete_cmdrsp_buf [2023-11-12 02:13:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:13:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:13:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2023-11-12 02:13:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2023-11-12 02:13:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2023-11-12 02:13:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2023-11-12 02:13:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2023-11-12 02:13:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2023-11-12 02:13:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2023-11-12 02:13:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2023-11-12 02:13:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_read_reg [2023-11-12 02:13:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_read_reg [2023-11-12 02:13:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_map_pci_memory [2023-11-12 02:13:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_map_pci_memory [2023-11-12 02:13:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_reg [2023-11-12 02:13:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_reg [2023-11-12 02:13:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:13:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:13:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:13:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:13:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:13:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:13:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:13:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:13:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 02:13:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 02:13:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:13:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:13:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_process_event_ready [2023-11-12 02:13:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_process_event_ready [2023-11-12 02:13:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:13:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:13:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 02:13:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 02:13:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-11-12 02:13:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:13:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:13:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_unmap_pci_memory [2023-11-12 02:13:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_unmap_pci_memory [2023-11-12 02:13:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:13:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:13:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_clean_pcie_ring_buf [2023-11-12 02:13:56,347 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_clean_pcie_ring_buf [2023-11-12 02:13:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_dev_wakeup_delay [2023-11-12 02:13:56,347 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_dev_wakeup_delay [2023-11-12 02:13:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:13:56,347 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:13:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:13:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:13:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_ok_to_access_hw [2023-11-12 02:13:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_ok_to_access_hw [2023-11-12 02:13:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:13:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:13:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure MWIFIEX_SKB_DMA_ADDR [2023-11-12 02:13:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure MWIFIEX_SKB_DMA_ADDR [2023-11-12 02:13:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:13:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 02:13:56,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 02:13:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:13:56,349 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:13:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_resume [2023-11-12 02:13:56,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_resume [2023-11-12 02:13:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_delete_txbd_ring [2023-11-12 02:13:56,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_delete_txbd_ring [2023-11-12 02:13:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:13:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_suspend [2023-11-12 02:13:56,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_suspend [2023-11-12 02:13:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:13:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:13:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:13:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:13:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:13:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_enable_host_int [2023-11-12 02:13:56,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_enable_host_int [2023-11-12 02:13:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_disable_host_int [2023-11-12 02:13:56,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_disable_host_int [2023-11-12 02:13:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_txbd_not_full [2023-11-12 02:13:56,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_txbd_not_full [2023-11-12 02:13:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-12 02:13:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-12 02:13:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_delete_evtbd_ring [2023-11-12 02:13:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_delete_evtbd_ring [2023-11-12 02:13:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:13:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:13:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-12 02:13:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-12 02:13:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 02:13:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 02:13:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:13:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:13:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:13:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 02:13:56,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 02:13:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-12 02:13:56,355 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-12 02:13:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-11-12 02:13:56,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-11-12 02:13:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 02:13:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 02:13:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:13:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:13:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:13:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 02:13:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 02:13:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_remove [2023-11-12 02:13:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_remove [2023-11-12 02:13:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:13:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2023-11-12 02:13:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2023-11-12 02:13:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_delete_rxbd_ring [2023-11-12 02:13:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_delete_rxbd_ring [2023-11-12 02:13:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:13:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-12 02:13:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-12 02:13:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 02:13:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 02:13:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure MWIFIEX_SKB_PACB [2023-11-12 02:13:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure MWIFIEX_SKB_PACB [2023-11-12 02:13:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 02:13:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 02:13:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-12 02:13:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-12 02:13:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:13:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2023-11-12 02:13:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:13:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:13:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_data_complete [2023-11-12 02:13:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_data_complete [2023-11-12 02:13:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pcie_txbd_empty [2023-11-12 02:13:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pcie_txbd_empty [2023-11-12 02:13:57,338 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:13:57,342 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:13:58,381 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:14:07,325 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:14:07,354 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:14:07,354 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:14:07,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:07 BoogieIcfgContainer [2023-11-12 02:14:07,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:14:07,367 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:14:07,368 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:14:07,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:14:07,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:13:51" (1/3) ... [2023-11-12 02:14:07,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5faa1d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:14:07, skipping insertion in model container [2023-11-12 02:14:07,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:55" (2/3) ... [2023-11-12 02:14:07,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5faa1d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:14:07, skipping insertion in model container [2023-11-12 02:14:07,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:07" (3/3) ... [2023-11-12 02:14:07,378 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_pcie.ko-entry_point.cil.out.i [2023-11-12 02:14:07,404 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:14:07,404 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:14:07,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:14:07,540 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=PETRI_NET, 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;@667add9b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:14:07,540 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:14:07,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 2001 states, 1496 states have (on average 1.4131016042780749) internal successors, (2114), 1517 states have internal predecessors, (2114), 442 states have call successors, (442), 62 states have call predecessors, (442), 61 states have return successors, (435), 435 states have call predecessors, (435), 435 states have call successors, (435) [2023-11-12 02:14:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-12 02:14:07,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:07,574 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-12 02:14:07,575 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:07,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:07,580 INFO L85 PathProgramCache]: Analyzing trace with hash -457417384, now seen corresponding path program 1 times [2023-11-12 02:14:07,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:07,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003660453] [2023-11-12 02:14:07,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:07,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:14:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:08,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:14:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:08,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:14:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-12 02:14:08,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:08,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003660453] [2023-11-12 02:14:08,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003660453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:08,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:08,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:14:08,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879842604] [2023-11-12 02:14:08,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:08,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:14:08,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:08,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:14:08,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:14:08,687 INFO L87 Difference]: Start difference. First operand has 2001 states, 1496 states have (on average 1.4131016042780749) internal successors, (2114), 1517 states have internal predecessors, (2114), 442 states have call successors, (442), 62 states have call predecessors, (442), 61 states have return successors, (435), 435 states have call predecessors, (435), 435 states have call successors, (435) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 02:14:11,252 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 [] [2023-11-12 02:14:19,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:19,565 INFO L93 Difference]: Finished difference Result 6156 states and 9348 transitions. [2023-11-12 02:14:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:14:19,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2023-11-12 02:14:19,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:19,632 INFO L225 Difference]: With dead ends: 6156 [2023-11-12 02:14:19,633 INFO L226 Difference]: Without dead ends: 4132 [2023-11-12 02:14:19,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:14:19,657 INFO L413 NwaCegarLoop]: 2565 mSDtfsCounter, 3583 mSDsluCounter, 3665 mSDsCounter, 0 mSdLazyCounter, 1934 mSolverCounterSat, 1009 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3907 SdHoareTripleChecker+Valid, 6230 SdHoareTripleChecker+Invalid, 2944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1009 IncrementalHoareTripleChecker+Valid, 1934 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:14:19,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3907 Valid, 6230 Invalid, 2944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1009 Valid, 1934 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2023-11-12 02:14:19,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4132 states. [2023-11-12 02:14:19,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4132 to 3914. [2023-11-12 02:14:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3914 states, 2936 states have (on average 1.4056539509536785) internal successors, (4127), 2960 states have internal predecessors, (4127), 857 states have call successors, (857), 121 states have call predecessors, (857), 120 states have return successors, (856), 856 states have call predecessors, (856), 856 states have call successors, (856) [2023-11-12 02:14:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3914 states to 3914 states and 5840 transitions. [2023-11-12 02:14:20,064 INFO L78 Accepts]: Start accepts. Automaton has 3914 states and 5840 transitions. Word has length 39 [2023-11-12 02:14:20,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:20,064 INFO L495 AbstractCegarLoop]: Abstraction has 3914 states and 5840 transitions. [2023-11-12 02:14:20,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 02:14:20,065 INFO L276 IsEmpty]: Start isEmpty. Operand 3914 states and 5840 transitions. [2023-11-12 02:14:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-12 02:14:20,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:20,079 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-12 02:14:20,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:14:20,081 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:20,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:20,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1495906018, now seen corresponding path program 1 times [2023-11-12 02:14:20,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:20,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939635207] [2023-11-12 02:14:20,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:20,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:14:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:21,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:14:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:14:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:21,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-12 02:14:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-12 02:14:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:21,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-12 02:14:21,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:21,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939635207] [2023-11-12 02:14:21,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939635207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:21,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:21,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:14:21,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766855888] [2023-11-12 02:14:21,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:21,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:14:21,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:21,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:14:21,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:14:21,117 INFO L87 Difference]: Start difference. First operand 3914 states and 5840 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-12 02:14:23,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:14:30,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []