./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--initio.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--initio.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu --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 bca836bbe3a531e36018faf0b4374aec0682953aa5034dcc910310719152fdea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:44,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:44,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:58:44,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:44,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:44,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:44,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:44,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:44,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:58:44,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:58:44,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:44,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:44,391 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:44,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:44,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:58:44,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:58:44,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:44,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:58:44,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:58:44,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:58:44,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:44,396 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:44,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:44,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:44,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:58:44,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:44,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:44,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:58:44,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:58:44,401 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:58:44,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:58:44,402 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:58:44,403 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:58:44,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:58:44,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:58:44,404 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:58:44,404 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_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bca836bbe3a531e36018faf0b4374aec0682953aa5034dcc910310719152fdea [2023-11-19 07:58:44,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:44,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:44,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:44,740 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:44,741 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:44,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--initio.ko-entry_point.cil.out.i [2023-11-19 07:58:47,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:58:48,415 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:58:48,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--initio.ko-entry_point.cil.out.i [2023-11-19 07:58:48,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/data/566a89d6e/0360c32094f8429696d12e0e90e881a4/FLAG7ada016bf [2023-11-19 07:58:48,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/data/566a89d6e/0360c32094f8429696d12e0e90e881a4 [2023-11-19 07:58:48,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:58:48,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:58:48,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:48,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:58:48,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:58:48,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:48" (1/1) ... [2023-11-19 07:58:48,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab49a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:48, skipping insertion in model container [2023-11-19 07:58:48,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:48" (1/1) ... [2023-11-19 07:58:48,650 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:58:50,705 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_b4de7928-c163-44d9-bd01-51c521bc38d7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--initio.ko-entry_point.cil.out.i[238430,238443] [2023-11-19 07:58:50,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:50,792 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:58:50,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [4621] [2023-11-19 07:58:50,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4680] [2023-11-19 07:58:50,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4688] [2023-11-19 07:58:50,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [4695] [2023-11-19 07:58:50,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [4703] [2023-11-19 07:58:50,955 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)); [4817-4818] [2023-11-19 07:58:50,958 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)); [4846-4847] [2023-11-19 07:58:51,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/3515/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/initio.c"), "i" (2604), "i" (12UL)); [7714-7715] [2023-11-19 07:58:51,297 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_b4de7928-c163-44d9-bd01-51c521bc38d7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--initio.ko-entry_point.cil.out.i[238430,238443] [2023-11-19 07:58:51,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:51,451 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:58:51,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51 WrapperNode [2023-11-19 07:58:51,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:51,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:51,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:58:51,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:58:51,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,813 INFO L138 Inliner]: procedures = 213, calls = 1969, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 5433 [2023-11-19 07:58:51,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:51,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:58:51,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:58:51,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:58:51,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:52,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:52,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:52,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:52,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:52,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:58:52,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:58:52,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:58:52,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:58:52,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:52,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:52,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:52,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:52,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4de7928-c163-44d9-bd01-51c521bc38d7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:58:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:58:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:58:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:58:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:58:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure initio_status_msg [2023-11-19 07:58:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_status_msg [2023-11-19 07:58:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:58:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:58:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure initio_select_atn_stop [2023-11-19 07:58:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_select_atn_stop [2023-11-19 07:58:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgin_accept [2023-11-19 07:58:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgin_accept [2023-11-19 07:58:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure initio_remove_one [2023-11-19 07:58:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_remove_one [2023-11-19 07:58:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:58:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:58:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:58:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:58:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2023-11-19 07:58:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2023-11-19 07:58:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 07:58:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 07:58:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure int_initio_scsi_rst [2023-11-19 07:58:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure int_initio_scsi_rst [2023-11-19 07:58:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure initio_abort_srb [2023-11-19 07:58:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_abort_srb [2023-11-19 07:58:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:58:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:58:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2023-11-19 07:58:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2023-11-19 07:58:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:58:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:58:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure initio_next_state [2023-11-19 07:58:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_next_state [2023-11-19 07:58:52,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:58:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:58:52,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:58:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:58:52,354 INFO L130 BoogieDeclarations]: Found specification of procedure initio_unlink_pend_scb [2023-11-19 07:58:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_unlink_pend_scb [2023-11-19 07:58:52,354 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:58:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:58:52,354 INFO L130 BoogieDeclarations]: Found specification of procedure initio_append_busy_scb [2023-11-19 07:58:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_append_busy_scb [2023-11-19 07:58:52,355 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-19 07:58:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-19 07:58:52,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:58:52,355 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgout_reject [2023-11-19 07:58:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgout_reject [2023-11-19 07:58:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:58:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure initio_se2_rd_all [2023-11-19 07:58:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_se2_rd_all [2023-11-19 07:58:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:58:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:58:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:58:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:58:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:58:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:58:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:58:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:58:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure initio_release_scb [2023-11-19 07:58:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_release_scb [2023-11-19 07:58:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_scsi [2023-11-19 07:58:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_scsi [2023-11-19 07:58:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:58:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:58:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-19 07:58:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-19 07:58:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:58:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:58:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:58:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgout_abort_targ [2023-11-19 07:58:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgout_abort_targ [2023-11-19 07:58:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:58:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:58:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:58:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure initio_se2_instr [2023-11-19 07:58:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_se2_instr [2023-11-19 07:58:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:58:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure initio_find_first_pend_scb [2023-11-19 07:58:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_find_first_pend_scb [2023-11-19 07:58:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:58:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:58:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure initio_unlink_busy_scb [2023-11-19 07:58:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_unlink_busy_scb [2023-11-19 07:58:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure initio_wait_done_disc [2023-11-19 07:58:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_wait_done_disc [2023-11-19 07:58:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 07:58:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 07:58:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:58:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:58:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:58:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure initio_stop_bm [2023-11-19 07:58:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_stop_bm [2023-11-19 07:58:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 07:58:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 07:58:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure wait_tulip [2023-11-19 07:58:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_tulip [2023-11-19 07:58:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:58:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:58:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure initio_pop_busy_scb [2023-11-19 07:58:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_pop_busy_scb [2023-11-19 07:58:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure initio_bad_seq [2023-11-19 07:58:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_bad_seq [2023-11-19 07:58:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:58:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:58:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure int_initio_resel [2023-11-19 07:58:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure int_initio_resel [2023-11-19 07:58:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:58:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-19 07:58:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-19 07:58:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:58:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgout_abort_tag [2023-11-19 07:58:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgout_abort_tag [2023-11-19 07:58:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:58:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:58:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:58:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:58:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:58:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-19 07:58:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-19 07:58:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure initio_reset_scsi [2023-11-19 07:58:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_reset_scsi [2023-11-19 07:58:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure initio_append_done_scb [2023-11-19 07:58:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_append_done_scb [2023-11-19 07:58:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure initio_append_pend_scb [2023-11-19 07:58:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_append_pend_scb [2023-11-19 07:58:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgin [2023-11-19 07:58:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgin [2023-11-19 07:58:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 07:58:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 07:58:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_main [2023-11-19 07:58:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_main [2023-11-19 07:58:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:58:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:58:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:58:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure int_initio_busfree [2023-11-19 07:58:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure int_initio_busfree [2023-11-19 07:58:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure initio_sync_done [2023-11-19 07:58:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_sync_done [2023-11-19 07:58:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure initio_wait_disc [2023-11-19 07:58:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_wait_disc [2023-11-19 07:58:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:58:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:58:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-19 07:58:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-19 07:58:53,097 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:58:53,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:58:53,585 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:59:00,623 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:59:00,649 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:59:00,649 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:59:00,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:00 BoogieIcfgContainer [2023-11-19 07:59:00,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:59:00,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:59:00,664 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:59:00,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:59:00,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:58:48" (1/3) ... [2023-11-19 07:59:00,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e8eb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:00, skipping insertion in model container [2023-11-19 07:59:00,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (2/3) ... [2023-11-19 07:59:00,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e8eb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:00, skipping insertion in model container [2023-11-19 07:59:00,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:00" (3/3) ... [2023-11-19 07:59:00,671 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--initio.ko-entry_point.cil.out.i [2023-11-19 07:59:00,691 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:59:00,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:59:00,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:59:00,803 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;@351a38d2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:59:00,803 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:59:00,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 2134 states, 1545 states have (on average 1.4284789644012945) internal successors, (2207), 1580 states have internal predecessors, (2207), 523 states have call successors, (523), 65 states have call predecessors, (523), 64 states have return successors, (517), 511 states have call predecessors, (517), 517 states have call successors, (517) [2023-11-19 07:59:00,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-19 07:59:00,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:00,845 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:00,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:00,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:00,851 INFO L85 PathProgramCache]: Analyzing trace with hash -846045169, now seen corresponding path program 1 times [2023-11-19 07:59:00,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:00,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801161387] [2023-11-19 07:59:00,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:00,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:59:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:59:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:59:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:59:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:59:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:02,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:59:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-19 07:59:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-19 07:59:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-19 07:59:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:02,085 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 07:59:02,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:02,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801161387] [2023-11-19 07:59:02,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801161387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:02,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:02,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:59:02,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130547008] [2023-11-19 07:59:02,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:02,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:59:02,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:02,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:59:02,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:59:02,144 INFO L87 Difference]: Start difference. First operand has 2134 states, 1545 states have (on average 1.4284789644012945) internal successors, (2207), 1580 states have internal predecessors, (2207), 523 states have call successors, (523), 65 states have call predecessors, (523), 64 states have return successors, (517), 511 states have call predecessors, (517), 517 states have call successors, (517) Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 07:59:24,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:59:27,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:27,808 INFO L93 Difference]: Finished difference Result 6716 states and 10526 transitions. [2023-11-19 07:59:27,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:59:27,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 132 [2023-11-19 07:59:27,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:27,875 INFO L225 Difference]: With dead ends: 6716 [2023-11-19 07:59:27,875 INFO L226 Difference]: Without dead ends: 4552 [2023-11-19 07:59:27,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:59:27,906 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 7465 mSDsluCounter, 1905 mSDsCounter, 0 mSdLazyCounter, 11512 mSolverCounterSat, 4100 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7861 SdHoareTripleChecker+Valid, 2544 SdHoareTripleChecker+Invalid, 15613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4100 IncrementalHoareTripleChecker+Valid, 11512 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:27,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7861 Valid, 2544 Invalid, 15613 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4100 Valid, 11512 Invalid, 1 Unknown, 0 Unchecked, 24.5s Time] [2023-11-19 07:59:27,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4552 states. [2023-11-19 07:59:28,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4552 to 3899. [2023-11-19 07:59:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3899 states, 2839 states have (on average 1.410355759070095) internal successors, (4004), 2888 states have internal predecessors, (4004), 939 states have call successors, (939), 121 states have call predecessors, (939), 120 states have return successors, (938), 927 states have call predecessors, (938), 938 states have call successors, (938) [2023-11-19 07:59:28,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 3899 states and 5881 transitions. [2023-11-19 07:59:28,511 INFO L78 Accepts]: Start accepts. Automaton has 3899 states and 5881 transitions. Word has length 132 [2023-11-19 07:59:28,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:28,513 INFO L495 AbstractCegarLoop]: Abstraction has 3899 states and 5881 transitions. [2023-11-19 07:59:28,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 07:59:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3899 states and 5881 transitions. [2023-11-19 07:59:28,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 07:59:28,538 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:28,539 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:28,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:59:28,540 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:28,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:28,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1103394453, now seen corresponding path program 1 times [2023-11-19 07:59:28,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:28,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627091567] [2023-11-19 07:59:28,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:28,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:59:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:59:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:59:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:59:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:59:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:59:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-19 07:59:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-19 07:59:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-19 07:59:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:59:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:29,485 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-19 07:59:29,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:29,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627091567] [2023-11-19 07:59:29,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627091567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:29,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:29,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:59:29,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940453188] [2023-11-19 07:59:29,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:29,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:59:29,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:29,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:59:29,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:59:29,498 INFO L87 Difference]: Start difference. First operand 3899 states and 5881 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)