./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/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_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bca836bbe3a531e36018faf0b4374aec0682953aa5034dcc910310719152fdea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:15:45,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:15:45,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:15:45,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:15:45,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:15:45,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:15:45,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:15:45,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:15:45,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:15:45,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:15:45,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:15:45,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:15:45,902 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:15:45,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:15:45,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:15:45,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:15:45,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:15:45,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:15:45,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:15:45,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:15:45,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:15:45,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:15:45,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:15:45,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:15:45,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:15:45,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:45,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:15:45,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:15:45,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:15:45,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:15:45,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:15:45,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:15:45,915 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:15:45,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:15:45,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:15:45,916 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:15:45,917 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_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bca836bbe3a531e36018faf0b4374aec0682953aa5034dcc910310719152fdea [2023-11-12 02:15:46,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:15:46,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:15:46,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:15:46,269 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:15:46,270 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:15:46,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/../../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 [2023-11-12 02:15:49,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:15:50,036 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:15:50,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/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 [2023-11-12 02:15:50,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/data/069c3c635/e442a2fa1fe34bdab8e1479d395ada8f/FLAG8fe684f43 [2023-11-12 02:15:50,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/data/069c3c635/e442a2fa1fe34bdab8e1479d395ada8f [2023-11-12 02:15:50,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:15:50,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:15:50,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:50,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:15:50,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:15:50,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:50" (1/1) ... [2023-11-12 02:15:50,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f50a511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:50, skipping insertion in model container [2023-11-12 02:15:50,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:50" (1/1) ... [2023-11-12 02:15:50,243 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:15:52,119 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_e29de00d-2d33-4df8-993a-53b8ef1726a6/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] [2023-11-12 02:15:52,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:52,237 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:15:52,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [4621] [2023-11-12 02:15:52,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4680] [2023-11-12 02:15:52,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4688] [2023-11-12 02:15:52,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [4695] [2023-11-12 02:15:52,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [4703] [2023-11-12 02:15:52,445 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] [2023-11-12 02:15:52,448 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] [2023-11-12 02:15:52,714 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] [2023-11-12 02:15:52,752 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_e29de00d-2d33-4df8-993a-53b8ef1726a6/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] [2023-11-12 02:15:52,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:52,835 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:15:52,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52 WrapperNode [2023-11-12 02:15:52,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:52,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:52,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:15:52,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:15:52,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:52,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:53,217 INFO L138 Inliner]: procedures = 213, calls = 1969, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 5433 [2023-11-12 02:15:53,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:53,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:15:53,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:15:53,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:15:53,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:53,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:53,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:53,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:53,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:53,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:53,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:53,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:53,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:15:53,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:15:53,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:15:53,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:15:53,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:53,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:53,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:53,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:15:53,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29de00d-2d33-4df8-993a-53b8ef1726a6/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:15:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:15:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:15:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:15:53,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:15:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure initio_status_msg [2023-11-12 02:15:53,750 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_status_msg [2023-11-12 02:15:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:15:53,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:15:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure initio_select_atn_stop [2023-11-12 02:15:53,751 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_select_atn_stop [2023-11-12 02:15:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgin_accept [2023-11-12 02:15:53,751 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgin_accept [2023-11-12 02:15:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure initio_remove_one [2023-11-12 02:15:53,751 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_remove_one [2023-11-12 02:15:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 02:15:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 02:15:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:15:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:15:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2023-11-12 02:15:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2023-11-12 02:15:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 02:15:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 02:15:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure int_initio_scsi_rst [2023-11-12 02:15:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure int_initio_scsi_rst [2023-11-12 02:15:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure initio_abort_srb [2023-11-12 02:15:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_abort_srb [2023-11-12 02:15:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:15:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:15:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2023-11-12 02:15:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2023-11-12 02:15:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:15:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:15:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure initio_next_state [2023-11-12 02:15:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_next_state [2023-11-12 02:15:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:15:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:15:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:15:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:15:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure initio_unlink_pend_scb [2023-11-12 02:15:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_unlink_pend_scb [2023-11-12 02:15:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:15:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:15:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure initio_append_busy_scb [2023-11-12 02:15:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_append_busy_scb [2023-11-12 02:15:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 02:15:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 02:15:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:15:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgout_reject [2023-11-12 02:15:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgout_reject [2023-11-12 02:15:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:15:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure initio_se2_rd_all [2023-11-12 02:15:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_se2_rd_all [2023-11-12 02:15:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 02:15:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 02:15:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:15:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:15:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:15:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:15:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:15:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:15:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure initio_release_scb [2023-11-12 02:15:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_release_scb [2023-11-12 02:15:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_scsi [2023-11-12 02:15:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_scsi [2023-11-12 02:15:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 02:15:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 02:15:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-12 02:15:53,761 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-12 02:15:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:15:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:15:53,761 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:15:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgout_abort_targ [2023-11-12 02:15:53,761 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgout_abort_targ [2023-11-12 02:15:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:15:53,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:15:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:15:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure initio_se2_instr [2023-11-12 02:15:53,762 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_se2_instr [2023-11-12 02:15:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:15:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure initio_find_first_pend_scb [2023-11-12 02:15:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_find_first_pend_scb [2023-11-12 02:15:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:15:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:15:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure initio_unlink_busy_scb [2023-11-12 02:15:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_unlink_busy_scb [2023-11-12 02:15:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure initio_wait_done_disc [2023-11-12 02:15:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_wait_done_disc [2023-11-12 02:15:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 02:15:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 02:15:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:15:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:15:53,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:15:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure initio_stop_bm [2023-11-12 02:15:53,765 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_stop_bm [2023-11-12 02:15:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-12 02:15:53,765 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-12 02:15:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure wait_tulip [2023-11-12 02:15:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_tulip [2023-11-12 02:15:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:15:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:15:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure initio_pop_busy_scb [2023-11-12 02:15:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_pop_busy_scb [2023-11-12 02:15:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure initio_bad_seq [2023-11-12 02:15:53,767 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_bad_seq [2023-11-12 02:15:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:15:53,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:15:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure int_initio_resel [2023-11-12 02:15:53,767 INFO L138 BoogieDeclarations]: Found implementation of procedure int_initio_resel [2023-11-12 02:15:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:15:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 02:15:53,768 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 02:15:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:15:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgout_abort_tag [2023-11-12 02:15:53,768 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgout_abort_tag [2023-11-12 02:15:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:15:53,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:15:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:15:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-12 02:15:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-12 02:15:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-12 02:15:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-12 02:15:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure initio_reset_scsi [2023-11-12 02:15:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_reset_scsi [2023-11-12 02:15:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure initio_append_done_scb [2023-11-12 02:15:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_append_done_scb [2023-11-12 02:15:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure initio_append_pend_scb [2023-11-12 02:15:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_append_pend_scb [2023-11-12 02:15:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgin [2023-11-12 02:15:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgin [2023-11-12 02:15:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 02:15:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 02:15:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_main [2023-11-12 02:15:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_main [2023-11-12 02:15:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:15:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:15:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:15:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure int_initio_busfree [2023-11-12 02:15:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure int_initio_busfree [2023-11-12 02:15:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure initio_sync_done [2023-11-12 02:15:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_sync_done [2023-11-12 02:15:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure initio_wait_disc [2023-11-12 02:15:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_wait_disc [2023-11-12 02:15:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:15:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:15:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-12 02:15:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-12 02:15:54,416 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:15:54,420 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:15:54,803 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:16:00,902 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:16:00,933 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:16:00,935 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:16:00,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:00 BoogieIcfgContainer [2023-11-12 02:16:00,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:16:00,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:16:00,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:16:00,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:16:00,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:15:50" (1/3) ... [2023-11-12 02:16:00,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27acb1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:00, skipping insertion in model container [2023-11-12 02:16:00,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52" (2/3) ... [2023-11-12 02:16:00,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27acb1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:00, skipping insertion in model container [2023-11-12 02:16:00,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:00" (3/3) ... [2023-11-12 02:16:00,959 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--initio.ko-entry_point.cil.out.i [2023-11-12 02:16:00,979 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:16:00,980 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:16:01,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:16:01,100 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;@6dd46dfe, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:16:01,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:16:01,115 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) [2023-11-12 02:16:01,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-12 02:16:01,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:01,163 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] [2023-11-12 02:16:01,164 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:01,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:01,172 INFO L85 PathProgramCache]: Analyzing trace with hash -846045169, now seen corresponding path program 1 times [2023-11-12 02:16:01,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:01,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458628718] [2023-11-12 02:16:01,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:01,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:16:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:16:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:16:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:16:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:16:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:16:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:16:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:16:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:16:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:16:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-12 02:16:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-12 02:16:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:16:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,362 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-12 02:16:02,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:02,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458628718] [2023-11-12 02:16:02,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458628718] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:02,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:02,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:16:02,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171668217] [2023-11-12 02:16:02,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:02,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:16:02,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:02,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:16:02,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:16:02,432 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) [2023-11-12 02:16:25,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:16:27,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:27,308 INFO L93 Difference]: Finished difference Result 6716 states and 10526 transitions. [2023-11-12 02:16:27,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:16:27,314 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 [2023-11-12 02:16:27,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:27,410 INFO L225 Difference]: With dead ends: 6716 [2023-11-12 02:16:27,410 INFO L226 Difference]: Without dead ends: 4552 [2023-11-12 02:16:27,446 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 [2023-11-12 02:16:27,451 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 7465 mSDsluCounter, 1905 mSDsCounter, 0 mSdLazyCounter, 11512 mSolverCounterSat, 4100 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s 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, 23.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:27,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7861 Valid, 2544 Invalid, 15613 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4100 Valid, 11512 Invalid, 1 Unknown, 0 Unchecked, 23.8s Time] [2023-11-12 02:16:27,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4552 states. [2023-11-12 02:16:27,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4552 to 3899. [2023-11-12 02:16:27,959 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) [2023-11-12 02:16:28,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 3899 states and 5881 transitions. [2023-11-12 02:16:28,007 INFO L78 Accepts]: Start accepts. Automaton has 3899 states and 5881 transitions. Word has length 132 [2023-11-12 02:16:28,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:28,008 INFO L495 AbstractCegarLoop]: Abstraction has 3899 states and 5881 transitions. [2023-11-12 02:16:28,008 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) [2023-11-12 02:16:28,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3899 states and 5881 transitions. [2023-11-12 02:16:28,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:16:28,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:28,022 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] [2023-11-12 02:16:28,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:16:28,023 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:28,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:28,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1103394453, now seen corresponding path program 1 times [2023-11-12 02:16:28,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:28,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273565457] [2023-11-12 02:16:28,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:28,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:16:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:16:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:16:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:16:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:16:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:16:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:16:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:16:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:16:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:16:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-12 02:16:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:16:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-12 02:16:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-12 02:16:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-12 02:16:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,826 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-12 02:16:28,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:28,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273565457] [2023-11-12 02:16:28,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273565457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:28,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:28,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:16:28,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156379561] [2023-11-12 02:16:28,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:28,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:16:28,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:28,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:16:28,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:16:28,837 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)