./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/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_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/bin/uautomizer-verify-uTZkv6EMXl/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_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/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_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/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 41a06dba17575946a131560ceaa3b40649c8b00d9b30bc4696c27d89715c52b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:23:34,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:23:34,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:23:34,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:23:34,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:23:34,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:23:34,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:23:34,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:23:34,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:23:34,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:23:34,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:23:34,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:23:34,816 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:23:34,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:23:34,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:23:34,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:23:34,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:23:34,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:23:34,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:23:34,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:23:34,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:23:34,822 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:23:34,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:23:34,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:23:34,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:23:34,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:23:34,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:23:34,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:23:34,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:23:34,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:23:34,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:23:34,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:23:34,828 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:23:34,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:23:34,828 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:23:34,828 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:23:34,829 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_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a06dba17575946a131560ceaa3b40649c8b00d9b30bc4696c27d89715c52b3 [2023-11-12 02:23:35,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:23:35,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:23:35,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:23:35,173 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:23:35,173 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:23:35,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/bin/uautomizer-verify-uTZkv6EMXl/../../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 [2023-11-12 02:23:38,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:23:38,912 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:23:38,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/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 [2023-11-12 02:23:38,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/bin/uautomizer-verify-uTZkv6EMXl/data/0e101804c/f9f93058754242cdb40d9d39ff8e22d8/FLAGca838bdfc [2023-11-12 02:23:38,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/bin/uautomizer-verify-uTZkv6EMXl/data/0e101804c/f9f93058754242cdb40d9d39ff8e22d8 [2023-11-12 02:23:38,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:23:38,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:23:38,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:23:38,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:23:38,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:23:38,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:23:38" (1/1) ... [2023-11-12 02:23:38,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5480eb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:38, skipping insertion in model container [2023-11-12 02:23:38,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:23:38" (1/1) ... [2023-11-12 02:23:39,147 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:23:41,334 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_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/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] [2023-11-12 02:23:41,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:23:41,547 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:23:41,653 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] [2023-11-12 02:23:41,656 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] [2023-11-12 02:23:41,656 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] [2023-11-12 02:23:41,657 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] [2023-11-12 02:23:41,657 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] [2023-11-12 02:23:41,930 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_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/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] [2023-11-12 02:23:41,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:23:42,113 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:23:42,114 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:23:42,121 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:23:42,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42 WrapperNode [2023-11-12 02:23:42,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:23:42,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:23:42,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:23:42,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:23:42,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42" (1/1) ... [2023-11-12 02:23:42,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42" (1/1) ... [2023-11-12 02:23:42,455 INFO L138 Inliner]: procedures = 267, calls = 2900, calls flagged for inlining = 122, calls inlined = 113, statements flattened = 6785 [2023-11-12 02:23:42,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:23:42,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:23:42,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:23:42,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:23:42,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42" (1/1) ... [2023-11-12 02:23:42,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42" (1/1) ... [2023-11-12 02:23:42,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42" (1/1) ... [2023-11-12 02:23:42,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42" (1/1) ... [2023-11-12 02:23:42,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42" (1/1) ... [2023-11-12 02:23:42,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42" (1/1) ... [2023-11-12 02:23:42,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42" (1/1) ... [2023-11-12 02:23:42,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42" (1/1) ... [2023-11-12 02:23:42,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:23:42,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:23:42,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:23:42,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:23:42,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42" (1/1) ... [2023-11-12 02:23:43,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:23:43,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:23:43,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:23:43,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33b6eb1-2d18-4542-bf2f-d93fc568e5af/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:23:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-12 02:23:43,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-12 02:23:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 02:23:43,184 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 02:23:43,185 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-12 02:23:43,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-12 02:23:43,186 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2023-11-12 02:23:43,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2023-11-12 02:23:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:23:43,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:23:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:23:43,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:23:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2023-11-12 02:23:43,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2023-11-12 02:23:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:23:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:23:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-12 02:23:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-12 02:23:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2023-11-12 02:23:43,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2023-11-12 02:23:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-12 02:23:43,190 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-12 02:23:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-12 02:23:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-12 02:23:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-12 02:23:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-12 02:23:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:23:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:23:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-12 02:23:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-12 02:23:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:23:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:23:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-12 02:23:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-12 02:23:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:23:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:23:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2023-11-12 02:23:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2023-11-12 02:23:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2023-11-12 02:23:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2023-11-12 02:23:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:23:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:23:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:23:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:23:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-12 02:23:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-12 02:23:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-11-12 02:23:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-11-12 02:23:43,197 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2023-11-12 02:23:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2023-11-12 02:23:43,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:23:43,197 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-12 02:23:43,197 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-12 02:23:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-12 02:23:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-12 02:23:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-12 02:23:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2023-11-12 02:23:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2023-11-12 02:23:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:23:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-11-12 02:23:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-11-12 02:23:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:23:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2023-11-12 02:23:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2023-11-12 02:23:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:23:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:23:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:23:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:23:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-12 02:23:43,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-12 02:23:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-12 02:23:43,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-12 02:23:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:23:43,203 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:23:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2023-11-12 02:23:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2023-11-12 02:23:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2023-11-12 02:23:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2023-11-12 02:23:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 02:23:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 02:23:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_45 [2023-11-12 02:23:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_45 [2023-11-12 02:23:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_44 [2023-11-12 02:23:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_44 [2023-11-12 02:23:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-12 02:23:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-12 02:23:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_43 [2023-11-12 02:23:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_43 [2023-11-12 02:23:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 02:23:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 02:23:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-12 02:23:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-12 02:23:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2023-11-12 02:23:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2023-11-12 02:23:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2023-11-12 02:23:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2023-11-12 02:23:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2023-11-12 02:23:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2023-11-12 02:23:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2023-11-12 02:23:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2023-11-12 02:23:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2023-11-12 02:23:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2023-11-12 02:23:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:23:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 02:23:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 02:23:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2023-11-12 02:23:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2023-11-12 02:23:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-11-12 02:23:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-11-12 02:23:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-12 02:23:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-12 02:23:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-12 02:23:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-12 02:23:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:23:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-12 02:23:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-12 02:23:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2023-11-12 02:23:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2023-11-12 02:23:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2023-11-12 02:23:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2023-11-12 02:23:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2023-11-12 02:23:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2023-11-12 02:23:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2023-11-12 02:23:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2023-11-12 02:23:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-12 02:23:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-12 02:23:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 02:23:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 02:23:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2023-11-12 02:23:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2023-11-12 02:23:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-12 02:23:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-12 02:23:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:23:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-12 02:23:43,218 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-12 02:23:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:23:43,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:23:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2023-11-12 02:23:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2023-11-12 02:23:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:23:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:23:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2023-11-12 02:23:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2023-11-12 02:23:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2023-11-12 02:23:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2023-11-12 02:23:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:23:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2023-11-12 02:23:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2023-11-12 02:23:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 02:23:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 02:23:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-12 02:23:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-12 02:23:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:23:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-12 02:23:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-12 02:23:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:23:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2023-11-12 02:23:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2023-11-12 02:23:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:23:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:23:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2023-11-12 02:23:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2023-11-12 02:23:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-12 02:23:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-12 02:23:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2023-11-12 02:23:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2023-11-12 02:23:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-12 02:23:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-12 02:23:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 02:23:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 02:23:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 02:23:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 02:23:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:23:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:23:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-12 02:23:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-12 02:23:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2023-11-12 02:23:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2023-11-12 02:23:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-12 02:23:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-12 02:23:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:23:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:23:43,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:23:43,939 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:23:43,945 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:23:44,974 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:24:01,715 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:24:01,746 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:24:01,750 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:24:01,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:01 BoogieIcfgContainer [2023-11-12 02:24:01,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:24:01,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:24:01,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:24:01,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:24:01,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:23:38" (1/3) ... [2023-11-12 02:24:01,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0ab2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:24:01, skipping insertion in model container [2023-11-12 02:24:01,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:42" (2/3) ... [2023-11-12 02:24:01,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0ab2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:24:01, skipping insertion in model container [2023-11-12 02:24:01,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:01" (3/3) ... [2023-11-12 02:24:01,769 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-12 02:24:01,800 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:24:01,800 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:24:01,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:24:01,933 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;@3499f1d8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:24:01,933 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:24:01,948 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) [2023-11-12 02:24:01,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-12 02:24:01,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:01,974 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] [2023-11-12 02:24:01,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:01,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:01,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1616571903, now seen corresponding path program 1 times [2023-11-12 02:24:02,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:02,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608791691] [2023-11-12 02:24:02,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:02,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:24:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:24:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:24:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:24:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:24:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:24:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:24:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:24:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:24:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:24:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:24:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:24:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:24:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:24:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:24:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-12 02:24:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:24:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-12 02:24:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:24:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:03,360 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-12 02:24:03,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:03,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608791691] [2023-11-12 02:24:03,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608791691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:24:03,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:24:03,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:24:03,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475186747] [2023-11-12 02:24:03,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:24:03,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:24:03,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:03,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:24:03,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:24:03,421 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) [2023-11-12 02:24:05,955 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 02:24:07,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:24:09,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:24:12,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:24:15,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:24:21,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:24:23,695 WARN L539 Checker$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 02:24:25,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:24:32,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []