./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx --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 1cfba800a850f13ff72fddf9946e31aec208a19aa4b82d402046e12670b66199 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:11:38,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:11:39,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:11:39,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:11:39,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:11:39,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:11:39,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:11:39,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:11:39,139 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:11:39,140 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:11:39,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:11:39,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:11:39,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:11:39,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:11:39,153 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:11:39,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:11:39,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:11:39,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:11:39,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:11:39,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:11:39,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:11:39,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:11:39,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:11:39,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:11:39,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:11:39,160 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:11:39,160 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:11:39,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:11:39,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:39,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:11:39,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:11:39,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:11:39,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:11:39,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:11:39,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:11:39,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:11:39,165 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:11:39,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:11:39,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:11:39,166 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_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cfba800a850f13ff72fddf9946e31aec208a19aa4b82d402046e12670b66199 [2023-11-21 22:11:39,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:11:39,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:11:39,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:11:39,580 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:11:39,581 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:11:39,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2023-11-21 22:11:43,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:11:44,191 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:11:44,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2023-11-21 22:11:44,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/data/31f628e66/071b1f2205e541c7b2ab9b54160ab85d/FLAGe23463436 [2023-11-21 22:11:44,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/data/31f628e66/071b1f2205e541c7b2ab9b54160ab85d [2023-11-21 22:11:44,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:11:44,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:11:44,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:44,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:11:44,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:11:44,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:44" (1/1) ... [2023-11-21 22:11:44,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d529da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:44, skipping insertion in model container [2023-11-21 22:11:44,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:44" (1/1) ... [2023-11-21 22:11:44,514 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:11:47,141 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_c730b56f-8e73-49bc-bdf9-44c7101124ed/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i[277952,277965] [2023-11-21 22:11:47,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:47,488 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:11:47,684 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)); [5693-5694] [2023-11-21 22:11:47,689 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)); [5722-5723] [2023-11-21 22:11:48,089 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_c730b56f-8e73-49bc-bdf9-44c7101124ed/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i[277952,277965] [2023-11-21 22:11:48,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:48,309 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:11:48,319 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:11:48,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48 WrapperNode [2023-11-21 22:11:48,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:48,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:48,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:11:48,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:11:48,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (1/1) ... [2023-11-21 22:11:48,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (1/1) ... [2023-11-21 22:11:48,717 INFO L138 Inliner]: procedures = 258, calls = 2408, calls flagged for inlining = 96, calls inlined = 93, statements flattened = 6876 [2023-11-21 22:11:48,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:48,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:11:48,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:11:48,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:11:48,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (1/1) ... [2023-11-21 22:11:48,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (1/1) ... [2023-11-21 22:11:48,810 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (1/1) ... [2023-11-21 22:11:50,195 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memset is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:11:50,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (1/1) ... [2023-11-21 22:11:50,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (1/1) ... [2023-11-21 22:11:50,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (1/1) ... [2023-11-21 22:11:50,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (1/1) ... [2023-11-21 22:11:50,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (1/1) ... [2023-11-21 22:11:50,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (1/1) ... [2023-11-21 22:11:50,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:11:50,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:11:50,583 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:11:50,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:11:50,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (1/1) ... [2023-11-21 22:11:50,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:50,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:50,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:50,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c730b56f-8e73-49bc-bdf9-44c7101124ed/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:11:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:11:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:11:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:11:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:11:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2023-11-21 22:11:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2023-11-21 22:11:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-21 22:11:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-21 22:11:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpctl_mutex [2023-11-21 22:11:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpctl_mutex [2023-11-21 22:11:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:11:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:11:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_GetIocState [2023-11-21 22:11:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_GetIocState [2023-11-21 22:11:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-11-21 22:11:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-11-21 22:11:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2023-11-21 22:11:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2023-11-21 22:11:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:11:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:11:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:11:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:11:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_syscall_down [2023-11-21 22:11:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_syscall_down [2023-11-21 22:11:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_device_driver_deregister [2023-11-21 22:11:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_device_driver_deregister [2023-11-21 22:11:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:11:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:11:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_remove [2023-11-21 22:11:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_remove [2023-11-21 22:11:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:11:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:11:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:11:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:11:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_put_msg_frame [2023-11-21 22:11:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_put_msg_frame [2023-11-21 22:11:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-21 22:11:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-21 22:11:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-21 22:11:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-21 22:11:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 22:11:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 22:11:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure __mptctl_ioctl [2023-11-21 22:11:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __mptctl_ioctl [2023-11-21 22:11:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_mpt_command [2023-11-21 22:11:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_mpt_command [2023-11-21 22:11:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_fw_download [2023-11-21 22:11:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_fw_download [2023-11-21 22:11:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:11:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:11:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2023-11-21 22:11:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2023-11-21 22:11:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_put_msg_frame_hi_pri [2023-11-21 22:11:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_put_msg_frame_hi_pri [2023-11-21 22:11:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:11:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:11:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:11:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:11:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_free_fw_memory [2023-11-21 22:11:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_free_fw_memory [2023-11-21 22:11:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_taskmgmt [2023-11-21 22:11:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_taskmgmt [2023-11-21 22:11:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 22:11:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 22:11:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:11:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:11:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_clear_taskmgmt_in_progress_flag [2023-11-21 22:11:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_clear_taskmgmt_in_progress_flag [2023-11-21 22:11:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:11:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:11:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_timeout_expired [2023-11-21 22:11:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_timeout_expired [2023-11-21 22:11:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-21 22:11:50,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-21 22:11:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 22:11:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 22:11:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-21 22:11:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-21 22:11:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpctl_mutex [2023-11-21 22:11:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpctl_mutex [2023-11-21 22:11:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_fasync [2023-11-21 22:11:50,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_fasync [2023-11-21 22:11:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:11:50,801 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:11:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-21 22:11:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-21 22:11:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:11:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_set_taskmgmt_in_progress_flag [2023-11-21 22:11:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_set_taskmgmt_in_progress_flag [2023-11-21 22:11:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:11:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:11:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_verify_adapter [2023-11-21 22:11:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_verify_adapter [2023-11-21 22:11:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:11:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:11:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 22:11:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 22:11:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:11:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-21 22:11:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-21 22:11:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_deregister [2023-11-21 22:11:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_deregister [2023-11-21 22:11:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_sgl [2023-11-21 22:11:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_sgl [2023-11-21 22:11:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:11:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:11:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 22:11:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 22:11:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:11:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 22:11:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 22:11:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-21 22:11:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-21 22:11:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:11:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:11:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:11:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:11:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_get_msg_frame [2023-11-21 22:11:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_get_msg_frame [2023-11-21 22:11:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-21 22:11:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-21 22:11:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2023-11-21 22:11:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2023-11-21 22:11:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_send_handshake_request [2023-11-21 22:11:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_send_handshake_request [2023-11-21 22:11:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_register [2023-11-21 22:11:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_register [2023-11-21 22:11:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2023-11-21 22:11:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2023-11-21 22:11:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2023-11-21 22:11:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2023-11-21 22:11:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:11:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-21 22:11:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:11:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:11:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_config [2023-11-21 22:11:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_config [2023-11-21 22:11:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_free_msg_frame [2023-11-21 22:11:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_free_msg_frame [2023-11-21 22:11:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 22:11:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 22:11:51,717 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:11:51,724 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:11:56,268 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:12:06,009 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:12:10,797 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:12:10,798 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:12:10,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:10 BoogieIcfgContainer [2023-11-21 22:12:10,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:12:10,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:12:10,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:12:10,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:12:10,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:11:44" (1/3) ... [2023-11-21 22:12:10,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6751a630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:10, skipping insertion in model container [2023-11-21 22:12:10,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:48" (2/3) ... [2023-11-21 22:12:10,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6751a630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:10, skipping insertion in model container [2023-11-21 22:12:10,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:10" (3/3) ... [2023-11-21 22:12:10,825 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2023-11-21 22:12:10,849 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:12:10,849 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:12:10,968 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:12:10,977 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;@25b0ff06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:12:10,977 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:12:10,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 1236 states, 784 states have (on average 1.3520408163265305) internal successors, (1060), 804 states have internal predecessors, (1060), 387 states have call successors, (387), 64 states have call predecessors, (387), 63 states have return successors, (383), 382 states have call predecessors, (383), 383 states have call successors, (383) [2023-11-21 22:12:11,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-21 22:12:11,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:11,011 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:12:11,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:11,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:11,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1612692604, now seen corresponding path program 1 times [2023-11-21 22:12:11,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:11,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806963890] [2023-11-21 22:12:11,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:11,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:12:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:12:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:11,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:12:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:12:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-21 22:12:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:12:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-21 22:12:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-21 22:12:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-21 22:12:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-21 22:12:12,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:12:12,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806963890] [2023-11-21 22:12:12,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806963890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:12:12,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:12:12,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:12:12,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974697707] [2023-11-21 22:12:12,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:12:12,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:12:12,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:12:12,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:12:12,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:12:12,233 INFO L87 Difference]: Start difference. First operand has 1236 states, 784 states have (on average 1.3520408163265305) internal successors, (1060), 804 states have internal predecessors, (1060), 387 states have call successors, (387), 64 states have call predecessors, (387), 63 states have return successors, (383), 382 states have call predecessors, (383), 383 states have call successors, (383) Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-21 22:12:17,994 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 [] [2023-11-21 22:12:19,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:22,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:24,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:25,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:27,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:29,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:32,530 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 []