./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-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b8a328d71c4c3cf93af3193a7df5ebc43642781bad50cc06e19bf213de1dcd8f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:08,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:08,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:03:08,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:08,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:08,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:08,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:08,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:08,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:03:08,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:03:08,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:08,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:08,851 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:08,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:08,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:03:08,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:03:08,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:08,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:03:08,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:03:08,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:03:08,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:03:08,857 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:08,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:08,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:08,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:03:08,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:08,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:08,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:03:08,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:03:08,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:03:08,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:03:08,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:03:08,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:03:08,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:03:08,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:03:08,863 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:03:08,863 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_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8a328d71c4c3cf93af3193a7df5ebc43642781bad50cc06e19bf213de1dcd8f [2023-11-12 02:03:09,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:09,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:09,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:09,230 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:09,232 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:09,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-12 02:03:12,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:12,922 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:12,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-12 02:03:12,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/data/362f20a7a/6a76c38e6b3246b98eec33bcd99e3a3b/FLAG972dfe5f1 [2023-11-12 02:03:13,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/data/362f20a7a/6a76c38e6b3246b98eec33bcd99e3a3b [2023-11-12 02:03:13,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:13,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:13,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:13,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:13,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:13,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b13c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13, skipping insertion in model container [2023-11-12 02:03:13,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,175 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:15,168 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_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[260455,260468] [2023-11-12 02:03:15,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:15,297 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:03:15,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3635-3636] [2023-11-12 02:03:15,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3647-3648] [2023-11-12 02:03:15,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3651-3652] [2023-11-12 02:03:15,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3655-3656] [2023-11-12 02:03:15,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3659-3660] [2023-11-12 02:03:15,689 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_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[260455,260468] [2023-11-12 02:03:15,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:15,795 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:03:15,795 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:03:15,803 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:03:15,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15 WrapperNode [2023-11-12 02:03:15,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:15,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:15,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:03:15,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:03:15,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:15,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:16,192 INFO L138 Inliner]: procedures = 258, calls = 2881, calls flagged for inlining = 112, calls inlined = 103, statements flattened = 6705 [2023-11-12 02:03:16,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:16,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:03:16,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:03:16,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:03:16,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:16,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:16,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:16,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:16,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:16,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:16,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:16,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:16,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:03:16,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:03:16,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:03:16,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:03:16,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:16,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:16,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:16,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:16,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fda5b90-e319-46a4-a6f7-6b3f0d95019b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:03:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_15 [2023-11-12 02:03:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_15 [2023-11-12 02:03:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_14 [2023-11-12 02:03:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_14 [2023-11-12 02:03:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_13 [2023-11-12 02:03:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_13 [2023-11-12 02:03:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-12 02:03:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-12 02:03:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-12 02:03:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-12 02:03:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 02:03:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 02:03:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-12 02:03:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-12 02:03:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2023-11-12 02:03:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2023-11-12 02:03:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:03:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:03:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:03:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:03:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2023-11-12 02:03:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2023-11-12 02:03:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:03:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:03:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-12 02:03:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-12 02:03:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2023-11-12 02:03:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2023-11-12 02:03:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-12 02:03:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-12 02:03:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-12 02:03:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-12 02:03:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-12 02:03:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-12 02:03:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:03:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:03:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-12 02:03:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-12 02:03:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:03:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:03:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-12 02:03:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-12 02:03:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:03:16,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:03:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2023-11-12 02:03:16,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2023-11-12 02:03:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2023-11-12 02:03:16,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2023-11-12 02:03:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:03:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:03:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:03:16,671 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:03:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-12 02:03:16,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-12 02:03:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-11-12 02:03:16,672 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-11-12 02:03:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2023-11-12 02:03:16,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2023-11-12 02:03:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:03:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-12 02:03:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-12 02:03:16,673 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-12 02:03:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-12 02:03:16,673 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-12 02:03:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2023-11-12 02:03:16,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2023-11-12 02:03:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:03:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-11-12 02:03:16,674 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-11-12 02:03:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:03:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2023-11-12 02:03:16,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2023-11-12 02:03:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:03:16,675 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:03:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:03:16,676 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:03:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-12 02:03:16,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-12 02:03:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-12 02:03:16,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-12 02:03:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:03:16,677 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:03:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2023-11-12 02:03:16,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2023-11-12 02:03:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2023-11-12 02:03:16,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2023-11-12 02:03:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 02:03:16,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 02:03:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-12 02:03:16,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-12 02:03:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 02:03:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 02:03:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-12 02:03:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-12 02:03:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-12 02:03:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-12 02:03:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2023-11-12 02:03:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2023-11-12 02:03:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2023-11-12 02:03:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2023-11-12 02:03:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2023-11-12 02:03:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2023-11-12 02:03:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2023-11-12 02:03:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2023-11-12 02:03:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2023-11-12 02:03:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2023-11-12 02:03:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:03:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 02:03:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 02:03:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2023-11-12 02:03:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2023-11-12 02:03:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-11-12 02:03:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-11-12 02:03:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-12 02:03:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-12 02:03:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-12 02:03:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-12 02:03:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:03:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-12 02:03:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-12 02:03:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2023-11-12 02:03:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2023-11-12 02:03:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2023-11-12 02:03:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2023-11-12 02:03:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2023-11-12 02:03:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2023-11-12 02:03:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2023-11-12 02:03:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2023-11-12 02:03:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-12 02:03:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-12 02:03:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2023-11-12 02:03:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2023-11-12 02:03:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-12 02:03:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-12 02:03:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:03:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-12 02:03:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-12 02:03:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:03:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:03:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2023-11-12 02:03:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2023-11-12 02:03:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:03:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:03:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2023-11-12 02:03:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2023-11-12 02:03:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2023-11-12 02:03:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2023-11-12 02:03:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:03:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2023-11-12 02:03:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2023-11-12 02:03:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 02:03:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 02:03:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-12 02:03:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-12 02:03:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:03:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-12 02:03:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-12 02:03:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:03:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2023-11-12 02:03:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2023-11-12 02:03:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:03:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:03:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-11-12 02:03:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-11-12 02:03:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2023-11-12 02:03:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2023-11-12 02:03:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-12 02:03:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-12 02:03:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2023-11-12 02:03:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2023-11-12 02:03:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-12 02:03:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-12 02:03:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 02:03:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 02:03:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 02:03:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 02:03:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:03:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:03:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-12 02:03:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-12 02:03:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2023-11-12 02:03:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2023-11-12 02:03:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-12 02:03:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-12 02:03:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:03:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:03:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:03:17,460 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:03:17,464 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:03:18,467 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:03:33,374 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:03:33,405 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:03:33,406 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:03:33,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:33 BoogieIcfgContainer [2023-11-12 02:03:33,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:03:33,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:03:33,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:03:33,419 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:03:33,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:03:13" (1/3) ... [2023-11-12 02:03:33,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119f5706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:33, skipping insertion in model container [2023-11-12 02:03:33,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15" (2/3) ... [2023-11-12 02:03:33,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119f5706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:33, skipping insertion in model container [2023-11-12 02:03:33,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:33" (3/3) ... [2023-11-12 02:03:33,423 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-12 02:03:33,441 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:03:33,441 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:03:33,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:03:33,546 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;@786ebbda, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:03:33,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:03:33,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 1884 states, 1321 states have (on average 1.4367903103709312) internal successors, (1898), 1373 states have internal predecessors, (1898), 476 states have call successors, (476), 86 states have call predecessors, (476), 85 states have return successors, (469), 455 states have call predecessors, (469), 469 states have call successors, (469) [2023-11-12 02:03:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:03:33,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:33,723 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:33,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:33,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:33,735 INFO L85 PathProgramCache]: Analyzing trace with hash -283169599, now seen corresponding path program 1 times [2023-11-12 02:03:33,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:33,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968361798] [2023-11-12 02:03:33,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:33,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:34,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:03:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:34,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:03:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:34,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:03:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:34,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:03:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:34,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:03:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:34,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:03:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:03:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:03:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:03:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:03:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:03:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:03:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:03:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:03:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:03:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-12 02:03:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:03:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-12 02:03:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:03:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-12 02:03:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-12 02:03:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-12 02:03:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-12 02:03:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:03:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-12 02:03:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2023-11-12 02:03:35,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:35,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968361798] [2023-11-12 02:03:35,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968361798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:35,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:35,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:03:35,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411540022] [2023-11-12 02:03:35,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:35,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:03:35,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:35,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:03:35,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:03:35,315 INFO L87 Difference]: Start difference. First operand has 1884 states, 1321 states have (on average 1.4367903103709312) internal successors, (1898), 1373 states have internal predecessors, (1898), 476 states have call successors, (476), 86 states have call predecessors, (476), 85 states have return successors, (469), 455 states have call predecessors, (469), 469 states have call successors, (469) Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:03:38,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:03:42,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:03:47,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:03:49,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:03:51,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:03:53,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:03:55,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:03:57,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:04:05,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:05,179 INFO L93 Difference]: Finished difference Result 4202 states and 6736 transitions. [2023-11-12 02:04:05,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:04:05,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 161 [2023-11-12 02:04:05,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:05,244 INFO L225 Difference]: With dead ends: 4202 [2023-11-12 02:04:05,244 INFO L226 Difference]: Without dead ends: 2309 [2023-11-12 02:04:05,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:04:05,282 INFO L413 NwaCegarLoop]: 2404 mSDtfsCounter, 1715 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 2001 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 5154 SdHoareTripleChecker+Invalid, 4062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2001 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:05,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1783 Valid, 5154 Invalid, 4062 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2001 Valid, 2057 Invalid, 4 Unknown, 0 Unchecked, 29.3s Time] [2023-11-12 02:04:05,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2023-11-12 02:04:05,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 1870. [2023-11-12 02:04:05,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1870 states, 1316 states have (on average 1.4156534954407294) internal successors, (1863), 1359 states have internal predecessors, (1863), 469 states have call successors, (469), 85 states have call predecessors, (469), 84 states have return successors, (468), 454 states have call predecessors, (468), 468 states have call successors, (468) [2023-11-12 02:04:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2800 transitions. [2023-11-12 02:04:05,553 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2800 transitions. Word has length 161 [2023-11-12 02:04:05,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:05,554 INFO L495 AbstractCegarLoop]: Abstraction has 1870 states and 2800 transitions. [2023-11-12 02:04:05,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:04:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2800 transitions. [2023-11-12 02:04:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:04:05,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:05,573 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:05,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:04:05,574 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:05,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:05,574 INFO L85 PathProgramCache]: Analyzing trace with hash 98397943, now seen corresponding path program 1 times [2023-11-12 02:04:05,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:05,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169480636] [2023-11-12 02:04:05,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:05,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:04:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:04:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:04:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:04:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:04:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:04:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:04:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:04:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:04:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:04:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:04:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:04:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:04:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:04:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-12 02:04:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:04:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-12 02:04:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:04:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-12 02:04:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-12 02:04:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-12 02:04:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-12 02:04:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:04:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-12 02:04:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2023-11-12 02:04:06,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:06,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169480636] [2023-11-12 02:04:06,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169480636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:06,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:06,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:04:06,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372711832] [2023-11-12 02:04:06,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:06,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:04:06,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:06,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:04:06,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:04:06,603 INFO L87 Difference]: Start difference. First operand 1870 states and 2800 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)