./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/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_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9a12ad8c8f82d9497d9fb295ce6f252aae97c90123ce998a3f7bb078893d44d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:54:21,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:54:21,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:54:21,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:54:21,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:54:21,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:54:21,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:54:21,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:54:21,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:54:21,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:54:21,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:54:21,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:54:21,617 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:54:21,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:54:21,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:54:21,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:54:21,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:54:21,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:54:21,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:54:21,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:54:21,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:54:21,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:54:21,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:54:21,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:54:21,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:54:21,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:21,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:54:21,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:54:21,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:54:21,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:54:21,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:54:21,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:54:21,642 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:54:21,642 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:54:21,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:54:21,643 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:54:21,643 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_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a12ad8c8f82d9497d9fb295ce6f252aae97c90123ce998a3f7bb078893d44d4 [2023-11-19 07:54:21,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:54:22,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:54:22,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:54:22,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:54:22,031 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:54:22,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:54:25,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:54:26,367 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:54:26,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/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 [2023-11-19 07:54:26,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/data/1f1b58eef/969c2192002a469c8dbd3704ac83f1ca/FLAG488b96496 [2023-11-19 07:54:26,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/data/1f1b58eef/969c2192002a469c8dbd3704ac83f1ca [2023-11-19 07:54:26,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:54:26,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:54:26,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:26,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:54:26,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:54:26,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:26" (1/1) ... [2023-11-19 07:54:26,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc83710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:26, skipping insertion in model container [2023-11-19 07:54:26,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:26" (1/1) ... [2023-11-19 07:54:26,591 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:54:29,020 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_0ca0875e-9529-4f50-b6d8-19eee64e84f4/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] [2023-11-19 07:54:29,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:29,237 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:54:29,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [4519] [2023-11-19 07:54:29,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4683] [2023-11-19 07:54:29,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4691] [2023-11-19 07:54:29,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [4698] [2023-11-19 07:54:29,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [4706] [2023-11-19 07:54:29,429 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] [2023-11-19 07:54:29,432 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] [2023-11-19 07:54:29,666 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] [2023-11-19 07:54:29,759 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_0ca0875e-9529-4f50-b6d8-19eee64e84f4/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] [2023-11-19 07:54:29,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:29,859 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:54:29,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29 WrapperNode [2023-11-19 07:54:29,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:29,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:29,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:54:29,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:54:29,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29" (1/1) ... [2023-11-19 07:54:30,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29" (1/1) ... [2023-11-19 07:54:30,245 INFO L138 Inliner]: procedures = 250, calls = 2038, calls flagged for inlining = 112, calls inlined = 108, statements flattened = 5448 [2023-11-19 07:54:30,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:30,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:54:30,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:54:30,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:54:30,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29" (1/1) ... [2023-11-19 07:54:30,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29" (1/1) ... [2023-11-19 07:54:30,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29" (1/1) ... [2023-11-19 07:54:30,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29" (1/1) ... [2023-11-19 07:54:30,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29" (1/1) ... [2023-11-19 07:54:30,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29" (1/1) ... [2023-11-19 07:54:30,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29" (1/1) ... [2023-11-19 07:54:30,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29" (1/1) ... [2023-11-19 07:54:30,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:54:30,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:54:30,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:54:30,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:54:30,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29" (1/1) ... [2023-11-19 07:54:30,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:30,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:30,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:54:30,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca0875e-9529-4f50-b6d8-19eee64e84f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:54:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:54:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:54:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:54:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:54:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure initio_status_msg [2023-11-19 07:54:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_status_msg [2023-11-19 07:54:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:54:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:54:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure initio_select_atn_stop [2023-11-19 07:54:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_select_atn_stop [2023-11-19 07:54:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgin_accept [2023-11-19 07:54:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgin_accept [2023-11-19 07:54:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure initio_remove_one [2023-11-19 07:54:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_remove_one [2023-11-19 07:54:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:54:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:54:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2023-11-19 07:54:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2023-11-19 07:54:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 07:54:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 07:54:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure int_initio_scsi_rst [2023-11-19 07:54:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure int_initio_scsi_rst [2023-11-19 07:54:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure initio_abort_srb [2023-11-19 07:54:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_abort_srb [2023-11-19 07:54:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:54:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:54:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2023-11-19 07:54:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2023-11-19 07:54:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:54:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:54:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure initio_next_state [2023-11-19 07:54:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_next_state [2023-11-19 07:54:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:54:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:54:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:54:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:54:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure initio_unlink_pend_scb [2023-11-19 07:54:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_unlink_pend_scb [2023-11-19 07:54:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:54:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:54:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure initio_append_busy_scb [2023-11-19 07:54:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_append_busy_scb [2023-11-19 07:54:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-19 07:54:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-19 07:54:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:54:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgout_reject [2023-11-19 07:54:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgout_reject [2023-11-19 07:54:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:54:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure initio_se2_rd_all [2023-11-19 07:54:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_se2_rd_all [2023-11-19 07:54:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:54:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:54:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:54:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:54:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:54:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:54:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure initio_release_scb [2023-11-19 07:54:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_release_scb [2023-11-19 07:54:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_scsi [2023-11-19 07:54:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_scsi [2023-11-19 07:54:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:54:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:54:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:54:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:54:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-19 07:54:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-19 07:54:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:54:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:54:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:54:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgout_abort_targ [2023-11-19 07:54:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgout_abort_targ [2023-11-19 07:54:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:54:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:54:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:54:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure initio_se2_instr [2023-11-19 07:54:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_se2_instr [2023-11-19 07:54:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:54:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure initio_find_first_pend_scb [2023-11-19 07:54:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_find_first_pend_scb [2023-11-19 07:54:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:54:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:54:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure initio_unlink_busy_scb [2023-11-19 07:54:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_unlink_busy_scb [2023-11-19 07:54:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure initio_wait_done_disc [2023-11-19 07:54:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_wait_done_disc [2023-11-19 07:54:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 07:54:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 07:54:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:54:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:54:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:54:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure initio_stop_bm [2023-11-19 07:54:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_stop_bm [2023-11-19 07:54:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 07:54:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 07:54:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure wait_tulip [2023-11-19 07:54:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_tulip [2023-11-19 07:54:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:54:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:54:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure initio_pop_busy_scb [2023-11-19 07:54:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_pop_busy_scb [2023-11-19 07:54:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure initio_bad_seq [2023-11-19 07:54:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_bad_seq [2023-11-19 07:54:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:54:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:54:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure int_initio_resel [2023-11-19 07:54:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure int_initio_resel [2023-11-19 07:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-19 07:54:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-19 07:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgout_abort_tag [2023-11-19 07:54:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgout_abort_tag [2023-11-19 07:54:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:54:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:54:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:54:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:54:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:54:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-19 07:54:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-19 07:54:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure initio_reset_scsi [2023-11-19 07:54:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_reset_scsi [2023-11-19 07:54:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure initio_append_done_scb [2023-11-19 07:54:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_append_done_scb [2023-11-19 07:54:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure initio_append_pend_scb [2023-11-19 07:54:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_append_pend_scb [2023-11-19 07:54:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure initio_msgin [2023-11-19 07:54:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_msgin [2023-11-19 07:54:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 07:54:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 07:54:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_main [2023-11-19 07:54:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_main [2023-11-19 07:54:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:54:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:54:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:54:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure int_initio_busfree [2023-11-19 07:54:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure int_initio_busfree [2023-11-19 07:54:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure initio_sync_done [2023-11-19 07:54:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_sync_done [2023-11-19 07:54:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure initio_wait_disc [2023-11-19 07:54:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure initio_wait_disc [2023-11-19 07:54:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:54:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:54:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-19 07:54:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-19 07:54:31,514 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:54:31,521 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:54:31,972 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:54:39,335 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:54:39,379 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:54:39,379 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:54:39,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:39 BoogieIcfgContainer [2023-11-19 07:54:39,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:54:39,408 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:54:39,408 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:54:39,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:54:39,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:26" (1/3) ... [2023-11-19 07:54:39,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae3e476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:39, skipping insertion in model container [2023-11-19 07:54:39,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:29" (2/3) ... [2023-11-19 07:54:39,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae3e476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:39, skipping insertion in model container [2023-11-19 07:54:39,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:39" (3/3) ... [2023-11-19 07:54:39,430 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--initio.ko-entry_point.cil.out.i [2023-11-19 07:54:39,454 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:54:39,455 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:54:39,575 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:54:39,583 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;@42218710, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:54:39,583 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:54:39,597 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) [2023-11-19 07:54:39,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 07:54:39,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:39,616 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] [2023-11-19 07:54:39,616 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:54:39,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:39,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1283757941, now seen corresponding path program 1 times [2023-11-19 07:54:39,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:39,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410496371] [2023-11-19 07:54:39,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:39,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:54:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:54:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:54:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:54:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:54:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:40,627 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 07:54:40,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:40,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410496371] [2023-11-19 07:54:40,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410496371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:40,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:40,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:54:40,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846481879] [2023-11-19 07:54:40,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:40,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:54:40,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:40,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:54:40,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:54:40,685 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) [2023-11-19 07:54:51,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:52,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:52,797 INFO L93 Difference]: Finished difference Result 4614 states and 7198 transitions. [2023-11-19 07:54:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:54:52,801 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 [2023-11-19 07:54:52,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:52,867 INFO L225 Difference]: With dead ends: 4614 [2023-11-19 07:54:52,867 INFO L226 Difference]: Without dead ends: 2464 [2023-11-19 07:54:52,903 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 [2023-11-19 07:54:52,908 INFO L413 NwaCegarLoop]: 629 mSDtfsCounter, 4366 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 4715 mSolverCounterSat, 2714 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s 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, 11.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:52,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4727 Valid, 1377 Invalid, 7429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2714 Valid, 4715 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2023-11-19 07:54:52,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2023-11-19 07:54:53,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 2123. [2023-11-19 07:54:53,302 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) [2023-11-19 07:54:53,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3202 transitions. [2023-11-19 07:54:53,340 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3202 transitions. Word has length 93 [2023-11-19 07:54:53,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:53,341 INFO L495 AbstractCegarLoop]: Abstraction has 2123 states and 3202 transitions. [2023-11-19 07:54:53,341 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) [2023-11-19 07:54:53,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3202 transitions. [2023-11-19 07:54:53,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 07:54:53,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:53,355 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] [2023-11-19 07:54:53,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:54:53,356 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:54:53,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:53,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1439520765, now seen corresponding path program 1 times [2023-11-19 07:54:53,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:53,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926326225] [2023-11-19 07:54:53,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:53,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:53,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:53,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:54:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:54:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:54:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:54:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:54:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 07:54:54,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:54,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926326225] [2023-11-19 07:54:54,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926326225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:54,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:54,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:54:54,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62554977] [2023-11-19 07:54:54,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:54,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:54:54,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:54,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:54:54,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:54:54,252 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) [2023-11-19 07:54:57,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []