./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/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_0e0e6e6c-2a67-44b0-8754-46376f45f681/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/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_0e0e6e6c-2a67-44b0-8754-46376f45f681/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 6932181a2a9c8d4d7c700844e1db6a95829edf2ea099e17754a10b04a114b5cd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:43:03,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:43:03,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:43:03,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:43:03,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:43:03,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:43:03,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:43:03,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:43:03,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:43:03,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:43:03,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:43:03,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:43:03,684 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:43:03,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:43:03,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:43:03,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:43:03,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:43:03,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:43:03,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:43:03,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:43:03,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:43:03,690 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:43:03,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:43:03,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:43:03,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:43:03,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:43:03,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:43:03,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:43:03,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:43:03,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:43:03,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:43:03,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:43:03,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:43:03,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:43:03,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:43:03,699 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:43:03,699 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_0e0e6e6c-2a67-44b0-8754-46376f45f681/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6932181a2a9c8d4d7c700844e1db6a95829edf2ea099e17754a10b04a114b5cd [2023-11-19 07:43:04,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:43:04,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:43:04,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:43:04,079 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:43:04,080 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:43:04,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2023-11-19 07:43:07,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:43:08,010 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:43:08,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2023-11-19 07:43:08,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/bin/uautomizer-verify-uCwYo4JHxu/data/28126533d/b1abe968403a4be7998a7e5744b02f0a/FLAGcdc8462fe [2023-11-19 07:43:08,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/bin/uautomizer-verify-uCwYo4JHxu/data/28126533d/b1abe968403a4be7998a7e5744b02f0a [2023-11-19 07:43:08,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:43:08,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:43:08,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:43:08,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:43:08,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:43:08,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:08" (1/1) ... [2023-11-19 07:43:08,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ed7e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:08, skipping insertion in model container [2023-11-19 07:43:08,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:08" (1/1) ... [2023-11-19 07:43:08,244 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:43:10,113 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_0e0e6e6c-2a67-44b0-8754-46376f45f681/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i[213066,213079] [2023-11-19 07:43:10,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:43:10,221 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:43:10,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9094/dscv_tempdir/dscv/ri/43_2a/drivers/usb/gadget/udc/gr_udc.c"), "i" (398), "i" (12UL)); [4219-4220] [2023-11-19 07:43:10,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [4229] [2023-11-19 07:43:10,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [4596] [2023-11-19 07:43:10,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [5061] [2023-11-19 07:43:10,600 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_0e0e6e6c-2a67-44b0-8754-46376f45f681/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i[213066,213079] [2023-11-19 07:43:10,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:43:10,766 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:43:10,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10 WrapperNode [2023-11-19 07:43:10,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:43:10,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:43:10,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:43:10,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:43:10,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ... [2023-11-19 07:43:10,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ... [2023-11-19 07:43:11,096 INFO L138 Inliner]: procedures = 222, calls = 2771, calls flagged for inlining = 89, calls inlined = 86, statements flattened = 5542 [2023-11-19 07:43:11,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:43:11,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:43:11,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:43:11,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:43:11,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ... [2023-11-19 07:43:11,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ... [2023-11-19 07:43:11,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ... [2023-11-19 07:43:11,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ... [2023-11-19 07:43:11,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ... [2023-11-19 07:43:11,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ... [2023-11-19 07:43:11,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ... [2023-11-19 07:43:11,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ... [2023-11-19 07:43:11,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:43:11,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:43:11,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:43:11,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:43:11,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ... [2023-11-19 07:43:11,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:43:11,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:43:11,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:43:11,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0e6e6c-2a67-44b0-8754-46376f45f681/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:43:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc_chain [2023-11-19 07:43:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc_chain [2023-11-19 07:43:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure gr_finish_request [2023-11-19 07:43:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_finish_request [2023-11-19 07:43:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:43:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue [2023-11-19 07:43:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue [2023-11-19 07:43:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:43:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:43:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:43:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2023-11-19 07:43:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2023-11-19 07:43:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:43:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:43:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_halt_wedge [2023-11-19 07:43:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_halt_wedge [2023-11-19 07:43:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:43:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:43:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:43:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:43:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 07:43:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 07:43:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2023-11-19 07:43:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2023-11-19 07:43:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure gr_control_stall [2023-11-19 07:43:11,675 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_control_stall [2023-11-19 07:43:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-19 07:43:11,675 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-19 07:43:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure gr_stop_activity [2023-11-19 07:43:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_stop_activity [2023-11-19 07:43:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:43:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:43:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_enable [2023-11-19 07:43:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_enable [2023-11-19 07:43:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt_wedge [2023-11-19 07:43:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt_wedge [2023-11-19 07:43:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:43:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:43:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-11-19 07:43:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-11-19 07:43:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:43:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:43:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_int [2023-11-19 07:43:11,680 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_int [2023-11-19 07:43:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:43:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:43:11,680 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:43:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dequeue [2023-11-19 07:43:11,681 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dequeue [2023-11-19 07:43:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_remove [2023-11-19 07:43:11,681 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_remove [2023-11-19 07:43:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32be [2023-11-19 07:43:11,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32be [2023-11-19 07:43:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2023-11-19 07:43:11,682 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2023-11-19 07:43:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:43:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:43:11,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:43:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:43:11,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:43:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_setup [2023-11-19 07:43:11,683 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_setup [2023-11-19 07:43:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:43:11,684 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:43:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:43:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:43:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_request [2023-11-19 07:43:11,685 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_request [2023-11-19 07:43:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure gr_wakeup [2023-11-19 07:43:11,686 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_wakeup [2023-11-19 07:43:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-19 07:43:11,686 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-19 07:43:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_reset [2023-11-19 07:43:11,687 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_reset [2023-11-19 07:43:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:43:11,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:43:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_stop [2023-11-19 07:43:11,688 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_stop [2023-11-19 07:43:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_nuke [2023-11-19 07:43:11,689 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_nuke [2023-11-19 07:43:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_flush [2023-11-19 07:43:11,689 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_flush [2023-11-19 07:43:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_disable [2023-11-19 07:43:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_disable [2023-11-19 07:43:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:43:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:43:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0out_requeue [2023-11-19 07:43:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0out_requeue [2023-11-19 07:43:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_connected [2023-11-19 07:43:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_connected [2023-11-19 07:43:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure gr_enable_vbus_detect [2023-11-19 07:43:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_enable_vbus_detect [2023-11-19 07:43:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:43:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:43:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:43:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:43:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq_handler [2023-11-19 07:43:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq_handler [2023-11-19 07:43:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 07:43:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 07:43:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_wedge [2023-11-19 07:43:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_wedge [2023-11-19 07:43:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2023-11-19 07:43:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2023-11-19 07:43:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_open [2023-11-19 07:43:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_open [2023-11-19 07:43:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32be [2023-11-19 07:43:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32be [2023-11-19 07:43:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_empty [2023-11-19 07:43:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_empty [2023-11-19 07:43:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:43:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq [2023-11-19 07:43:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq [2023-11-19 07:43:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_init [2023-11-19 07:43:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_init [2023-11-19 07:43:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-11-19 07:43:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-11-19 07:43:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:43:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:43:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 07:43:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 07:43:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond [2023-11-19 07:43:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond [2023-11-19 07:43:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:43:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 07:43:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 07:43:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-19 07:43:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-19 07:43:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure gr_disable_interrupts_and_pullup [2023-11-19 07:43:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_disable_interrupts_and_pullup [2023-11-19 07:43:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:43:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:43:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:43:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:43:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:43:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure gr_request_irq [2023-11-19 07:43:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_request_irq [2023-11-19 07:43:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure gr_add_dma_desc [2023-11-19 07:43:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_add_dma_desc [2023-11-19 07:43:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:43:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:43:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:43:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2023-11-19 07:43:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2023-11-19 07:43:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure gr_abort_dma [2023-11-19 07:43:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_abort_dma [2023-11-19 07:43:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:43:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0state_string [2023-11-19 07:43:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0state_string [2023-11-19 07:43:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:43:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:43:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_status [2023-11-19 07:43:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_status [2023-11-19 07:43:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:43:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:43:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2023-11-19 07:43:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2023-11-19 07:43:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_address [2023-11-19 07:43:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_address [2023-11-19 07:43:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_request [2023-11-19 07:43:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_request [2023-11-19 07:43:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_request [2023-11-19 07:43:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_request [2023-11-19 07:43:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_start [2023-11-19 07:43:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_start [2023-11-19 07:43:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_ep0state [2023-11-19 07:43:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_ep0state [2023-11-19 07:43:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-19 07:43:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-19 07:43:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dma_advance [2023-11-19 07:43:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dma_advance [2023-11-19 07:43:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-11-19 07:43:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-11-19 07:43:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2023-11-19 07:43:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2023-11-19 07:43:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure gr_get_frame [2023-11-19 07:43:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_get_frame [2023-11-19 07:43:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure gr_probe [2023-11-19 07:43:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_probe [2023-11-19 07:43:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2023-11-19 07:43:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2023-11-19 07:43:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure gr_remove [2023-11-19 07:43:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_remove [2023-11-19 07:43:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_u16 [2023-11-19 07:43:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_u16 [2023-11-19 07:43:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:43:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:43:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:43:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:43:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:43:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure gr_start_dma [2023-11-19 07:43:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_start_dma [2023-11-19 07:43:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:43:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:43:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:43:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:43:12,505 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:43:12,510 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:43:13,909 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:43:18,431 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:43:18,461 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:43:18,462 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:43:18,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:18 BoogieIcfgContainer [2023-11-19 07:43:18,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:43:18,481 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:43:18,481 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:43:18,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:43:18,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:43:08" (1/3) ... [2023-11-19 07:43:18,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764a1daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:43:18, skipping insertion in model container [2023-11-19 07:43:18,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (2/3) ... [2023-11-19 07:43:18,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764a1daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:43:18, skipping insertion in model container [2023-11-19 07:43:18,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:18" (3/3) ... [2023-11-19 07:43:18,489 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2023-11-19 07:43:18,510 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:43:18,510 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:43:18,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:43:18,630 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;@991fca0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:43:18,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:43:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 1762 states, 1252 states have (on average 1.4001597444089458) internal successors, (1753), 1296 states have internal predecessors, (1753), 419 states have call successors, (419), 90 states have call predecessors, (419), 89 states have return successors, (409), 397 states have call predecessors, (409), 409 states have call successors, (409) [2023-11-19 07:43:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 07:43:18,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:43:18,687 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:43:18,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:43:18,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:18,695 INFO L85 PathProgramCache]: Analyzing trace with hash -69213712, now seen corresponding path program 1 times [2023-11-19 07:43:18,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:18,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709044456] [2023-11-19 07:43:18,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:18,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:19,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:43:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:19,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:19,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:43:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:19,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:19,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:19,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:43:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:19,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:43:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:43:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 07:43:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 07:43:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-19 07:43:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-19 07:43:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 07:43:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-19 07:43:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2023-11-19 07:43:20,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:43:20,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709044456] [2023-11-19 07:43:20,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709044456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:43:20,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:43:20,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:43:20,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531170994] [2023-11-19 07:43:20,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:43:20,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:43:20,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:43:20,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:43:20,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:43:20,387 INFO L87 Difference]: Start difference. First operand has 1762 states, 1252 states have (on average 1.4001597444089458) internal successors, (1753), 1296 states have internal predecessors, (1753), 419 states have call successors, (419), 90 states have call predecessors, (419), 89 states have return successors, (409), 397 states have call predecessors, (409), 409 states have call successors, (409) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 07:43:26,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:43:26,354 INFO L93 Difference]: Finished difference Result 3831 states and 5794 transitions. [2023-11-19 07:43:26,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:43:26,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 165 [2023-11-19 07:43:26,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:43:26,405 INFO L225 Difference]: With dead ends: 3831 [2023-11-19 07:43:26,406 INFO L226 Difference]: Without dead ends: 2052 [2023-11-19 07:43:26,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:43:26,432 INFO L413 NwaCegarLoop]: 2004 mSDtfsCounter, 1725 mSDsluCounter, 2115 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 1132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1759 SdHoareTripleChecker+Valid, 4119 SdHoareTripleChecker+Invalid, 2882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1132 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:43:26,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1759 Valid, 4119 Invalid, 2882 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1132 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-19 07:43:26,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2023-11-19 07:43:26,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1740. [2023-11-19 07:43:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1740 states, 1242 states have (on average 1.3792270531400965) internal successors, (1713), 1274 states have internal predecessors, (1713), 409 states have call successors, (409), 89 states have call predecessors, (409), 88 states have return successors, (408), 396 states have call predecessors, (408), 408 states have call successors, (408) [2023-11-19 07:43:26,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2530 transitions. [2023-11-19 07:43:26,678 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2530 transitions. Word has length 165 [2023-11-19 07:43:26,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:43:26,679 INFO L495 AbstractCegarLoop]: Abstraction has 1740 states and 2530 transitions. [2023-11-19 07:43:26,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 07:43:26,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2530 transitions. [2023-11-19 07:43:26,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 07:43:26,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:43:26,689 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:43:26,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:43:26,690 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:43:26,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:26,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1195089176, now seen corresponding path program 1 times [2023-11-19 07:43:26,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:26,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794899074] [2023-11-19 07:43:26,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:26,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:43:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:43:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:43:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:43:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:43:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 07:43:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 07:43:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-19 07:43:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-19 07:43:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 07:43:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-19 07:43:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2023-11-19 07:43:27,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:43:27,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794899074] [2023-11-19 07:43:27,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794899074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:43:27,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:43:27,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:43:27,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375400393] [2023-11-19 07:43:27,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:43:27,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:43:27,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:43:27,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:43:27,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:43:27,646 INFO L87 Difference]: Start difference. First operand 1740 states and 2530 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 07:43:37,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:43:37,553 INFO L93 Difference]: Finished difference Result 5635 states and 8309 transitions. [2023-11-19 07:43:37,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:43:37,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 165 [2023-11-19 07:43:37,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:43:37,588 INFO L225 Difference]: With dead ends: 5635 [2023-11-19 07:43:37,589 INFO L226 Difference]: Without dead ends: 3925 [2023-11-19 07:43:37,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:43:37,598 INFO L413 NwaCegarLoop]: 1969 mSDtfsCounter, 4878 mSDsluCounter, 4796 mSDsCounter, 0 mSdLazyCounter, 3208 mSolverCounterSat, 2282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5133 SdHoareTripleChecker+Valid, 6765 SdHoareTripleChecker+Invalid, 5490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2282 IncrementalHoareTripleChecker+Valid, 3208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:43:37,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5133 Valid, 6765 Invalid, 5490 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2282 Valid, 3208 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-11-19 07:43:37,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3925 states. [2023-11-19 07:43:37,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3925 to 3320. [2023-11-19 07:43:37,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 2374 states have (on average 1.377843302443134) internal successors, (3271), 2437 states have internal predecessors, (3271), 774 states have call successors, (774), 172 states have call predecessors, (774), 171 states have return successors, (773), 749 states have call predecessors, (773), 773 states have call successors, (773) [2023-11-19 07:43:37,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4818 transitions. [2023-11-19 07:43:37,822 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4818 transitions. Word has length 165 [2023-11-19 07:43:37,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:43:37,826 INFO L495 AbstractCegarLoop]: Abstraction has 3320 states and 4818 transitions. [2023-11-19 07:43:37,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 07:43:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4818 transitions. [2023-11-19 07:43:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-11-19 07:43:37,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:43:37,841 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:43:37,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:43:37,841 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:43:37,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:37,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1034522417, now seen corresponding path program 1 times [2023-11-19 07:43:37,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:37,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224244390] [2023-11-19 07:43:37,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:37,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:43:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:43:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:43:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:43:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:43:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 07:43:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 07:43:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-19 07:43:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-19 07:43:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 07:43:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-19 07:43:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-19 07:43:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-19 07:43:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-19 07:43:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-19 07:43:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-19 07:43:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-11-19 07:43:39,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:43:39,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224244390] [2023-11-19 07:43:39,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224244390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:43:39,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:43:39,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:43:39,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494468602] [2023-11-19 07:43:39,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:43:39,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:43:39,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:43:39,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:43:39,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:43:39,388 INFO L87 Difference]: Start difference. First operand 3320 states and 4818 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)