./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--misc--ftdi-elan.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_286166f4-3651-45ba-8ea6-002821c55938/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286166f4-3651-45ba-8ea6-002821c55938/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_286166f4-3651-45ba-8ea6-002821c55938/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286166f4-3651-45ba-8ea6-002821c55938/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--misc--ftdi-elan.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286166f4-3651-45ba-8ea6-002821c55938/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_286166f4-3651-45ba-8ea6-002821c55938/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 41a06dba17575946a131560ceaa3b40649c8b00d9b30bc4696c27d89715c52b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:27,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:27,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286166f4-3651-45ba-8ea6-002821c55938/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:00:27,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:27,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:27,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:27,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:27,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:27,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:27,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:27,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:27,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:27,658 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:27,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:27,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:27,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:27,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:27,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:27,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:27,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:27,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:27,663 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:27,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:27,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:27,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:27,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:27,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:27,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:27,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:27,668 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:27,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:27,669 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:27,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:27,669 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:27,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:27,670 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:27,670 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_286166f4-3651-45ba-8ea6-002821c55938/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286166f4-3651-45ba-8ea6-002821c55938/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a06dba17575946a131560ceaa3b40649c8b00d9b30bc4696c27d89715c52b3 [2023-11-19 08:00:27,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:28,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:28,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:28,023 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:28,024 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:28,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286166f4-3651-45ba-8ea6-002821c55938/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-19 08:00:31,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:31,781 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:31,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286166f4-3651-45ba-8ea6-002821c55938/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-19 08:00:31,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286166f4-3651-45ba-8ea6-002821c55938/bin/uautomizer-verify-uCwYo4JHxu/data/40c3d30d0/42309f56ab8f493ba65d99db49404792/FLAG69290e9c9 [2023-11-19 08:00:31,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286166f4-3651-45ba-8ea6-002821c55938/bin/uautomizer-verify-uCwYo4JHxu/data/40c3d30d0/42309f56ab8f493ba65d99db49404792 [2023-11-19 08:00:31,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:31,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:31,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:31,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:31,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:31,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:31" (1/1) ... [2023-11-19 08:00:31,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5a192c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:31, skipping insertion in model container [2023-11-19 08:00:31,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:31" (1/1) ... [2023-11-19 08:00:32,010 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:34,065 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_286166f4-3651-45ba-8ea6-002821c55938/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[263943,263956] [2023-11-19 08:00:34,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:34,279 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:00:34,428 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"); [3725-3726] [2023-11-19 08:00:34,430 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"); [3737-3738] [2023-11-19 08:00:34,431 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"); [3741-3742] [2023-11-19 08:00:34,431 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"); [3745-3746] [2023-11-19 08:00:34,432 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"); [3749-3750] [2023-11-19 08:00:34,816 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_286166f4-3651-45ba-8ea6-002821c55938/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[263943,263956] [2023-11-19 08:00:34,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:34,932 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:00:34,932 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:00:34,941 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:00:34,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34 WrapperNode [2023-11-19 08:00:34,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:34,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:34,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:00:34,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:00:34,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34" (1/1) ... [2023-11-19 08:00:35,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34" (1/1) ... [2023-11-19 08:00:35,368 INFO L138 Inliner]: procedures = 267, calls = 2900, calls flagged for inlining = 122, calls inlined = 113, statements flattened = 6785 [2023-11-19 08:00:35,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:35,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:00:35,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:00:35,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:00:35,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34" (1/1) ... [2023-11-19 08:00:35,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34" (1/1) ... [2023-11-19 08:00:35,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34" (1/1) ... [2023-11-19 08:00:35,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34" (1/1) ... [2023-11-19 08:00:35,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34" (1/1) ... [2023-11-19 08:00:35,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34" (1/1) ... [2023-11-19 08:00:35,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34" (1/1) ... [2023-11-19 08:00:35,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34" (1/1) ... [2023-11-19 08:00:35,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:00:35,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:00:35,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:00:35,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:00:35,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34" (1/1) ... [2023-11-19 08:00:35,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:35,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286166f4-3651-45ba-8ea6-002821c55938/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:35,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286166f4-3651-45ba-8ea6-002821c55938/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:00:35,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286166f4-3651-45ba-8ea6-002821c55938/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:00:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 08:00:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 08:00:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 08:00:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 08:00:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 08:00:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 08:00:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2023-11-19 08:00:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2023-11-19 08:00:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:00:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:00:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:00:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:00:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2023-11-19 08:00:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2023-11-19 08:00:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:00:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:00:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 08:00:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 08:00:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2023-11-19 08:00:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2023-11-19 08:00:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-19 08:00:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-19 08:00:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-19 08:00:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-19 08:00:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-19 08:00:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-19 08:00:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 08:00:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 08:00:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-19 08:00:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-19 08:00:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:00:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:00:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-19 08:00:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-19 08:00:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:00:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:00:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2023-11-19 08:00:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2023-11-19 08:00:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2023-11-19 08:00:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2023-11-19 08:00:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:00:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 08:00:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 08:00:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 08:00:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-19 08:00:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-19 08:00:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-11-19 08:00:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-11-19 08:00:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2023-11-19 08:00:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2023-11-19 08:00:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:00:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 08:00:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-19 08:00:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-19 08:00:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-19 08:00:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-19 08:00:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2023-11-19 08:00:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2023-11-19 08:00:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:00:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-11-19 08:00:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-11-19 08:00:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:00:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2023-11-19 08:00:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2023-11-19 08:00:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:00:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:00:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 08:00:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 08:00:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 08:00:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 08:00:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-19 08:00:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-19 08:00:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 08:00:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 08:00:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2023-11-19 08:00:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2023-11-19 08:00:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2023-11-19 08:00:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2023-11-19 08:00:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 08:00:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 08:00:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_45 [2023-11-19 08:00:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_45 [2023-11-19 08:00:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_44 [2023-11-19 08:00:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_44 [2023-11-19 08:00:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 08:00:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 08:00:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_43 [2023-11-19 08:00:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_43 [2023-11-19 08:00:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 08:00:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 08:00:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-19 08:00:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-19 08:00:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2023-11-19 08:00:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2023-11-19 08:00:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2023-11-19 08:00:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2023-11-19 08:00:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2023-11-19 08:00:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2023-11-19 08:00:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2023-11-19 08:00:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2023-11-19 08:00:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2023-11-19 08:00:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2023-11-19 08:00:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:00:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 08:00:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 08:00:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2023-11-19 08:00:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2023-11-19 08:00:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-11-19 08:00:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-11-19 08:00:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 08:00:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 08:00:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-19 08:00:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-19 08:00:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:00:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 08:00:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 08:00:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2023-11-19 08:00:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2023-11-19 08:00:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2023-11-19 08:00:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2023-11-19 08:00:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2023-11-19 08:00:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2023-11-19 08:00:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2023-11-19 08:00:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2023-11-19 08:00:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 08:00:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 08:00:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 08:00:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 08:00:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2023-11-19 08:00:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2023-11-19 08:00:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-19 08:00:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-19 08:00:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:00:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 08:00:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 08:00:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:00:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:00:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2023-11-19 08:00:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2023-11-19 08:00:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 08:00:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 08:00:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2023-11-19 08:00:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2023-11-19 08:00:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2023-11-19 08:00:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2023-11-19 08:00:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:00:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2023-11-19 08:00:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2023-11-19 08:00:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 08:00:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 08:00:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-19 08:00:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-19 08:00:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:00:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 08:00:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 08:00:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:00:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2023-11-19 08:00:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2023-11-19 08:00:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:00:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:00:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2023-11-19 08:00:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2023-11-19 08:00:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 08:00:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 08:00:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2023-11-19 08:00:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2023-11-19 08:00:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-19 08:00:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-19 08:00:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 08:00:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 08:00:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 08:00:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 08:00:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 08:00:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 08:00:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 08:00:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 08:00:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2023-11-19 08:00:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2023-11-19 08:00:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-19 08:00:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-19 08:00:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:00:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:00:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:00:36,653 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:00:36,658 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:00:37,618 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:00:55,342 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:00:55,374 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:00:55,374 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:00:55,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:55 BoogieIcfgContainer [2023-11-19 08:00:55,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:00:55,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:00:55,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:00:55,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:00:55,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:31" (1/3) ... [2023-11-19 08:00:55,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4712c601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:55, skipping insertion in model container [2023-11-19 08:00:55,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34" (2/3) ... [2023-11-19 08:00:55,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4712c601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:55, skipping insertion in model container [2023-11-19 08:00:55,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:55" (3/3) ... [2023-11-19 08:00:55,404 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-19 08:00:55,423 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:00:55,424 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:00:55,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:00:55,534 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;@7c6083ac, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:00:55,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:00:55,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 1896 states, 1328 states have (on average 1.4352409638554218) internal successors, (1906), 1380 states have internal predecessors, (1906), 483 states have call successors, (483), 84 states have call predecessors, (483), 83 states have return successors, (476), 462 states have call predecessors, (476), 476 states have call successors, (476) [2023-11-19 08:00:55,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 08:00:55,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:55,569 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-11-19 08:00:55,570 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:55,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:55,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1616571903, now seen corresponding path program 1 times [2023-11-19 08:00:55,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:55,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756512169] [2023-11-19 08:00:55,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:55,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:00:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:00:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:00:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:00:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:00:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:00:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:00:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:00:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:00:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:00:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:00:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 08:00:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:00:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:00:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 08:00:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 08:00:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-19 08:00:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 08:00:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-19 08:00:56,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:56,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756512169] [2023-11-19 08:00:56,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756512169] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:56,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:56,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:00:56,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200983242] [2023-11-19 08:00:56,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:56,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:00:56,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:56,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:00:56,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:00:56,960 INFO L87 Difference]: Start difference. First operand has 1896 states, 1328 states have (on average 1.4352409638554218) internal successors, (1906), 1380 states have internal predecessors, (1906), 483 states have call successors, (483), 84 states have call predecessors, (483), 83 states have return successors, (476), 462 states have call predecessors, (476), 476 states have call successors, (476) Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 08:01:01,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:01:03,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:01:07,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:01:13,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:01:15,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:01:17,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:01:21,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:01:23,215 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 []