./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--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_196a7a91-57ce-4204-9a4e-b237c1595b5a/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196a7a91-57ce-4204-9a4e-b237c1595b5a/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_196a7a91-57ce-4204-9a4e-b237c1595b5a/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196a7a91-57ce-4204-9a4e-b237c1595b5a/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--initio.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196a7a91-57ce-4204-9a4e-b237c1595b5a/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_196a7a91-57ce-4204-9a4e-b237c1595b5a/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 9a12ad8c8f82d9497d9fb295ce6f252aae97c90123ce998a3f7bb078893d44d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:27:25,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:27:25,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196a7a91-57ce-4204-9a4e-b237c1595b5a/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:27:25,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:27:25,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:27:25,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:27:25,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:27:25,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:27:25,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:27:25,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:27:25,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:27:25,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:27:25,883 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:27:25,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:27:25,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:27:25,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:27:25,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:27:25,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:27:25,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:27:25,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:27:25,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:27:25,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:27:25,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:27:25,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:27:25,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:27:25,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:27:25,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:27:25,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:27:25,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:27:25,893 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:27:25,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:27:25,894 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:27:25,894 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:27:25,894 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:27:25,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:27:25,895 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:27:25,895 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_196a7a91-57ce-4204-9a4e-b237c1595b5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196a7a91-57ce-4204-9a4e-b237c1595b5a/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a12ad8c8f82d9497d9fb295ce6f252aae97c90123ce998a3f7bb078893d44d4 [2023-11-12 02:27:26,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:27:26,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:27:26,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:27:26,260 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:27:26,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:27:26,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196a7a91-57ce-4204-9a4e-b237c1595b5a/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--initio.ko-entry_point.cil.out.i [2023-11-12 02:27:29,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:27:30,186 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:27:30,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196a7a91-57ce-4204-9a4e-b237c1595b5a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--initio.ko-entry_point.cil.out.i [2023-11-12 02:27:30,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196a7a91-57ce-4204-9a4e-b237c1595b5a/bin/uautomizer-verify-uTZkv6EMXl/data/da41ac349/a86090a4cde04eb6898440e5c767e833/FLAG698be3d8f [2023-11-12 02:27:30,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196a7a91-57ce-4204-9a4e-b237c1595b5a/bin/uautomizer-verify-uTZkv6EMXl/data/da41ac349/a86090a4cde04eb6898440e5c767e833 [2023-11-12 02:27:30,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:27:30,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:27:30,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:27:30,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:27:30,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:27:30,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:27:30" (1/1) ... [2023-11-12 02:27:30,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501326e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:30, skipping insertion in model container [2023-11-12 02:27:30,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:27:30" (1/1) ... [2023-11-12 02:27:30,416 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:27:32,402 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_196a7a91-57ce-4204-9a4e-b237c1595b5a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--initio.ko-entry_point.cil.out.i[240484,240497] [2023-11-12 02:27:32,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:27:32,649 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:27:32,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [4519] [2023-11-12 02:27:32,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4683] [2023-11-12 02:27:32,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4691] [2023-11-12 02:27:32,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [4698] [2023-11-12 02:27:32,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [4706] [2023-11-12 02:27:32,763 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)); [4841-4842] [2023-11-12 02:27:32,767 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)); [4870-4871] [2023-11-12 02:27:33,114 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/6308/dscv_tempdir/dscv/ri/32_7a/drivers/scsi/initio.c"), "i" (2604), "i" (12UL)); [7752-7753] [2023-11-12 02:27:33,219 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_196a7a91-57ce-4204-9a4e-b237c1595b5a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--initio.ko-entry_point.cil.out.i[240484,240497] [2023-11-12 02:27:33,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:27:33,345 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:27:33,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33 WrapperNode [2023-11-12 02:27:33,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:27:33,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:27:33,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:27:33,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:27:33,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33" (1/1) ... [2023-11-12 02:27:33,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33" (1/1) ... [2023-11-12 02:27:33,778 INFO L138 Inliner]: procedures = 250, calls = 2038, calls flagged for inlining = 112, calls inlined = 108, statements flattened = 5448 [2023-11-12 02:27:33,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:27:33,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:27:33,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:27:33,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:27:33,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33" (1/1) ... [2023-11-12 02:27:33,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33" (1/1) ... [2023-11-12 02:27:33,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33" (1/1) ... [2023-11-12 02:27:33,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33" (1/1) ... [2023-11-12 02:27:33,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33" (1/1) ... [2023-11-12 02:27:34,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33" (1/1) ... [2023-11-12 02:27:34,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33" (1/1) ... [2023-11-12 02:27:34,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33" (1/1) ... [2023-11-12 02:27:34,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:27:34,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:27:34,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:27:34,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:27:34,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33" (1/1) ... [2023-11-12 02:27:34,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:27:34,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196a7a91-57ce-4204-9a4e-b237c1595b5a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:27:34,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196a7a91-57ce-4204-9a4e-b237c1595b5a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:27:34,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196a7a91-57ce-4204-9a4e-b237c1595b5a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:27:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:27:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:27:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:27:34,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:27:34,213 INFO L130 BoogieDeclarations]: Found specification of procedure initio_status_msg [2023-11-12 02:27:34,214 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_status_msg [2023-11-12 02:27:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:27:34,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:27:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure initio_select_atn_stop [2023-11-12 02:27:34,215 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_select_atn_stop [2023-11-12 02:27:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgin_accept [2023-11-12 02:27:34,215 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgin_accept [2023-11-12 02:27:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure initio_remove_one [2023-11-12 02:27:34,215 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_remove_one [2023-11-12 02:27:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:27:34,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:27:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2023-11-12 02:27:34,216 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2023-11-12 02:27:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 02:27:34,217 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 02:27:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure int_initio_scsi_rst [2023-11-12 02:27:34,217 INFO L138 BoogieDeclarations]: Found implementation of procedure int_initio_scsi_rst [2023-11-12 02:27:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure initio_abort_srb [2023-11-12 02:27:34,218 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_abort_srb [2023-11-12 02:27:34,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:27:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:27:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2023-11-12 02:27:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2023-11-12 02:27:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:27:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:27:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure initio_next_state [2023-11-12 02:27:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_next_state [2023-11-12 02:27:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:27:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:27:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:27:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:27:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure initio_unlink_pend_scb [2023-11-12 02:27:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_unlink_pend_scb [2023-11-12 02:27:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:27:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:27:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure initio_append_busy_scb [2023-11-12 02:27:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_append_busy_scb [2023-11-12 02:27:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 02:27:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 02:27:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:27:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgout_reject [2023-11-12 02:27:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgout_reject [2023-11-12 02:27:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:27:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure initio_se2_rd_all [2023-11-12 02:27:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_se2_rd_all [2023-11-12 02:27:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:27:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:27:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:27:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:27:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:27:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:27:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure initio_release_scb [2023-11-12 02:27:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_release_scb [2023-11-12 02:27:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_scsi [2023-11-12 02:27:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_scsi [2023-11-12 02:27:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:27:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:27:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 02:27:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 02:27:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-12 02:27:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-12 02:27:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:27:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:27:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:27:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgout_abort_targ [2023-11-12 02:27:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgout_abort_targ [2023-11-12 02:27:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:27:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:27:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:27:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure initio_se2_instr [2023-11-12 02:27:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_se2_instr [2023-11-12 02:27:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:27:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure initio_find_first_pend_scb [2023-11-12 02:27:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_find_first_pend_scb [2023-11-12 02:27:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:27:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:27:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure initio_unlink_busy_scb [2023-11-12 02:27:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_unlink_busy_scb [2023-11-12 02:27:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure initio_wait_done_disc [2023-11-12 02:27:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_wait_done_disc [2023-11-12 02:27:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 02:27:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 02:27:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:27:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:27:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:27:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure initio_stop_bm [2023-11-12 02:27:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_stop_bm [2023-11-12 02:27:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-12 02:27:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-12 02:27:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure wait_tulip [2023-11-12 02:27:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_tulip [2023-11-12 02:27:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:27:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:27:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure initio_pop_busy_scb [2023-11-12 02:27:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_pop_busy_scb [2023-11-12 02:27:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure initio_bad_seq [2023-11-12 02:27:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_bad_seq [2023-11-12 02:27:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:27:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:27:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure int_initio_resel [2023-11-12 02:27:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure int_initio_resel [2023-11-12 02:27:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:27:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 02:27:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 02:27:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:27:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgout_abort_tag [2023-11-12 02:27:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgout_abort_tag [2023-11-12 02:27:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:27:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:27:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:27:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-12 02:27:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-12 02:27:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-12 02:27:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-12 02:27:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure initio_reset_scsi [2023-11-12 02:27:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_reset_scsi [2023-11-12 02:27:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure initio_append_done_scb [2023-11-12 02:27:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_append_done_scb [2023-11-12 02:27:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure initio_append_pend_scb [2023-11-12 02:27:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_append_pend_scb [2023-11-12 02:27:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgin [2023-11-12 02:27:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgin [2023-11-12 02:27:34,241 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 02:27:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 02:27:34,241 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_main [2023-11-12 02:27:34,242 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_main [2023-11-12 02:27:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:27:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:27:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:27:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure int_initio_busfree [2023-11-12 02:27:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure int_initio_busfree [2023-11-12 02:27:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure initio_sync_done [2023-11-12 02:27:34,244 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_sync_done [2023-11-12 02:27:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure initio_wait_disc [2023-11-12 02:27:34,244 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_wait_disc [2023-11-12 02:27:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:27:34,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:27:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-12 02:27:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-12 02:27:34,994 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:27:34,998 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:27:35,443 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:27:41,274 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:27:41,293 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:27:41,294 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:27:41,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:27:41 BoogieIcfgContainer [2023-11-12 02:27:41,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:27:41,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:27:41,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:27:41,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:27:41,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:27:30" (1/3) ... [2023-11-12 02:27:41,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657a747f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:27:41, skipping insertion in model container [2023-11-12 02:27:41,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:33" (2/3) ... [2023-11-12 02:27:41,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657a747f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:27:41, skipping insertion in model container [2023-11-12 02:27:41,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:27:41" (3/3) ... [2023-11-12 02:27:41,308 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--initio.ko-entry_point.cil.out.i [2023-11-12 02:27:41,327 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:27:41,328 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:27:41,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:27:41,441 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;@182c9b2a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:27:41,442 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:27:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 2139 states, 1545 states have (on average 1.4284789644012945) internal successors, (2207), 1582 states have internal predecessors, (2207), 529 states have call successors, (529), 64 states have call predecessors, (529), 63 states have return successors, (523), 517 states have call predecessors, (523), 523 states have call successors, (523) [2023-11-12 02:27:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-12 02:27:41,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:27:41,480 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:27:41,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:27:41,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:41,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1283757941, now seen corresponding path program 1 times [2023-11-12 02:27:41,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:41,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821971457] [2023-11-12 02:27:41,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:41,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:27:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:27:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:27:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:27:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:27:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:27:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:42,559 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-12 02:27:42,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:42,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821971457] [2023-11-12 02:27:42,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821971457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:42,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:42,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:27:42,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878594857] [2023-11-12 02:27:42,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:42,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:27:42,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:42,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:27:42,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:27:42,621 INFO L87 Difference]: Start difference. First operand has 2139 states, 1545 states have (on average 1.4284789644012945) internal successors, (2207), 1582 states have internal predecessors, (2207), 529 states have call successors, (529), 64 states have call predecessors, (529), 63 states have return successors, (523), 517 states have call predecessors, (523), 523 states have call successors, (523) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-12 02:27:54,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:27:54,029 INFO L93 Difference]: Finished difference Result 4614 states and 7198 transitions. [2023-11-12 02:27:54,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:27:54,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 93 [2023-11-12 02:27:54,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:27:54,089 INFO L225 Difference]: With dead ends: 4614 [2023-11-12 02:27:54,090 INFO L226 Difference]: Without dead ends: 2464 [2023-11-12 02:27:54,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:27:54,129 INFO L413 NwaCegarLoop]: 629 mSDtfsCounter, 4366 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 4715 mSolverCounterSat, 2714 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4727 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 7429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2714 IncrementalHoareTripleChecker+Valid, 4715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:27:54,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4727 Valid, 1377 Invalid, 7429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2714 Valid, 4715 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2023-11-12 02:27:54,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2023-11-12 02:27:54,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 2123. [2023-11-12 02:27:54,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1537 states have (on average 1.4046844502277163) internal successors, (2159), 1566 states have internal predecessors, (2159), 523 states have call successors, (523), 63 states have call predecessors, (523), 62 states have return successors, (520), 514 states have call predecessors, (520), 520 states have call successors, (520) [2023-11-12 02:27:54,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3202 transitions. [2023-11-12 02:27:54,487 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3202 transitions. Word has length 93 [2023-11-12 02:27:54,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:27:54,488 INFO L495 AbstractCegarLoop]: Abstraction has 2123 states and 3202 transitions. [2023-11-12 02:27:54,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-12 02:27:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3202 transitions. [2023-11-12 02:27:54,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-12 02:27:54,502 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:27:54,502 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:27:54,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:27:54,503 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:27:54,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:54,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1439520765, now seen corresponding path program 1 times [2023-11-12 02:27:54,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:54,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584011808] [2023-11-12 02:27:54,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:54,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:54,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:27:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:27:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:54,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:54,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:54,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:27:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:55,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:55,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:27:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:55,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:27:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:55,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:55,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:55,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:27:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-12 02:27:55,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:55,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584011808] [2023-11-12 02:27:55,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584011808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:55,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:55,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:27:55,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21568395] [2023-11-12 02:27:55,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:55,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:27:55,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:55,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:27:55,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:27:55,093 INFO L87 Difference]: Start difference. First operand 2123 states and 3202 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-12 02:28:12,764 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 []