./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx --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 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:02:13,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:02:13,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 21:02:14,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:02:14,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:02:14,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:02:14,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:02:14,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:02:14,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:02:14,061 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:02:14,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:02:14,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:02:14,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:02:14,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:02:14,066 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:02:14,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:02:14,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:02:14,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:02:14,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:02:14,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:02:14,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:02:14,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:02:14,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:02:14,070 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:02:14,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:02:14,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:02:14,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:02:14,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:02:14,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:14,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:02:14,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:02:14,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:02:14,075 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:02:14,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:02:14,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:02:14,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:02:14,076 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:02:14,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:02:14,077 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:02:14,077 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_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2023-11-21 21:02:14,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:02:14,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:02:14,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:02:14,382 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:02:14,382 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:02:14,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2023-11-21 21:02:17,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:02:18,223 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:02:18,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2023-11-21 21:02:18,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/data/6ce2e197f/0e3541ba80cb4933b77e1ff40c608952/FLAG17f52a97f [2023-11-21 21:02:18,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/data/6ce2e197f/0e3541ba80cb4933b77e1ff40c608952 [2023-11-21 21:02:18,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:02:18,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:02:18,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:18,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:02:18,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:02:18,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:18" (1/1) ... [2023-11-21 21:02:18,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35beed73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:18, skipping insertion in model container [2023-11-21 21:02:18,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:18" (1/1) ... [2023-11-21 21:02:18,467 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:02:19,815 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_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2023-11-21 21:02:19,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:19,972 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:02:20,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [6558-6559] [2023-11-21 21:02:20,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6564-6566] [2023-11-21 21:02:20,443 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_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2023-11-21 21:02:20,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:20,500 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:02:20,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20 WrapperNode [2023-11-21 21:02:20,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:20,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:20,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:02:20,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:02:20,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (1/1) ... [2023-11-21 21:02:20,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (1/1) ... [2023-11-21 21:02:20,651 INFO L138 Inliner]: procedures = 127, calls = 1010, calls flagged for inlining = 54, calls inlined = 42, statements flattened = 975 [2023-11-21 21:02:20,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:20,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:02:20,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:02:20,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:02:20,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (1/1) ... [2023-11-21 21:02:20,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (1/1) ... [2023-11-21 21:02:20,671 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (1/1) ... [2023-11-21 21:02:20,835 INFO L187 HeapSplitter]: Split 168 memory accesses to 11 slices as follows [2, 8, 8, 1, 42, 6, 2, 4, 5, 85, 5] [2023-11-21 21:02:20,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (1/1) ... [2023-11-21 21:02:20,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (1/1) ... [2023-11-21 21:02:20,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (1/1) ... [2023-11-21 21:02:20,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (1/1) ... [2023-11-21 21:02:20,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (1/1) ... [2023-11-21 21:02:20,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (1/1) ... [2023-11-21 21:02:20,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:02:20,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:02:20,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:02:20,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:02:20,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (1/1) ... [2023-11-21 21:02:20,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:20,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:21,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:02:21,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:02:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 21:02:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 21:02:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2023-11-21 21:02:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2023-11-21 21:02:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-21 21:02:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-21 21:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 21:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 21:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 21:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 21:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 21:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 21:02:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 21:02:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 21:02:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-21 21:02:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-21 21:02:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-21 21:02:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-21 21:02:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-21 21:02:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 21:02:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 21:02:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2023-11-21 21:02:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2023-11-21 21:02:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 21:02:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 21:02:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 21:02:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 21:02:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 21:02:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 21:02:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 21:02:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 21:02:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-21 21:02:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-21 21:02:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-21 21:02:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 21:02:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 21:02:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 21:02:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 21:02:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2023-11-21 21:02:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2023-11-21 21:02:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:02:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:02:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-21 21:02:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-21 21:02:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-21 21:02:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-21 21:02:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-21 21:02:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-21 21:02:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-21 21:02:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-21 21:02:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-21 21:02:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-21 21:02:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-21 21:02:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-21 21:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-21 21:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-21 21:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-21 21:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-21 21:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-21 21:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-21 21:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-21 21:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-21 21:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-21 21:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-21 21:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2023-11-21 21:02:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2023-11-21 21:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-21 21:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-21 21:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-21 21:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-21 21:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-21 21:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-21 21:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-21 21:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-21 21:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-21 21:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-21 21:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-21 21:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 21:02:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 21:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-21 21:02:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-21 21:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 21:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 21:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 21:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 21:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 21:02:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 21:02:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 21:02:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-21 21:02:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-21 21:02:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-21 21:02:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:02:21,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:02:21,523 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:02:21,526 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:02:23,016 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:02:23,614 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:02:23,615 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 21:02:23,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:23 BoogieIcfgContainer [2023-11-21 21:02:23,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:02:23,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:02:23,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:02:23,624 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:02:23,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:02:18" (1/3) ... [2023-11-21 21:02:23,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f3a4cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:23, skipping insertion in model container [2023-11-21 21:02:23,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:20" (2/3) ... [2023-11-21 21:02:23,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f3a4cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:23, skipping insertion in model container [2023-11-21 21:02:23,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:23" (3/3) ... [2023-11-21 21:02:23,627 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2023-11-21 21:02:23,648 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:02:23,649 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:02:23,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:02:23,713 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;@3aff8eb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:02:23,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:02:23,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 100 states have (on average 1.41) internal successors, (141), 106 states have internal predecessors, (141), 37 states have call successors, (37), 12 states have call predecessors, (37), 12 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-21 21:02:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 21:02:23,727 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:23,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:23,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:23,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:23,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2024060616, now seen corresponding path program 1 times [2023-11-21 21:02:23,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:23,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457261660] [2023-11-21 21:02:23,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:23,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:24,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:24,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457261660] [2023-11-21 21:02:24,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457261660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:24,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:24,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:02:24,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861761306] [2023-11-21 21:02:24,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:24,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:24,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:24,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:24,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:24,403 INFO L87 Difference]: Start difference. First operand has 151 states, 100 states have (on average 1.41) internal successors, (141), 106 states have internal predecessors, (141), 37 states have call successors, (37), 12 states have call predecessors, (37), 12 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:26,495 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 [] [2023-11-21 21:02:28,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:30,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:30,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:30,987 INFO L93 Difference]: Finished difference Result 437 states and 625 transitions. [2023-11-21 21:02:30,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:30,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-21 21:02:30,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:31,015 INFO L225 Difference]: With dead ends: 437 [2023-11-21 21:02:31,019 INFO L226 Difference]: Without dead ends: 283 [2023-11-21 21:02:31,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:31,030 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 187 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:31,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 321 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 3 Unknown, 0 Unchecked, 6.5s Time] [2023-11-21 21:02:31,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-11-21 21:02:31,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2023-11-21 21:02:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 189 states have (on average 1.3703703703703705) internal successors, (259), 195 states have internal predecessors, (259), 71 states have call successors, (71), 23 states have call predecessors, (71), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-21 21:02:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 398 transitions. [2023-11-21 21:02:31,149 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 398 transitions. Word has length 11 [2023-11-21 21:02:31,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:31,149 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 398 transitions. [2023-11-21 21:02:31,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:31,150 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 398 transitions. [2023-11-21 21:02:31,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 21:02:31,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:31,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:31,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:02:31,153 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:31,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:31,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1094990853, now seen corresponding path program 1 times [2023-11-21 21:02:31,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:31,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173615865] [2023-11-21 21:02:31,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:31,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:31,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:31,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173615865] [2023-11-21 21:02:31,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173615865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:31,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:31,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:02:31,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830439678] [2023-11-21 21:02:31,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:31,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:31,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:31,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:31,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:31,340 INFO L87 Difference]: Start difference. First operand 283 states and 398 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:33,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:33,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:33,324 INFO L93 Difference]: Finished difference Result 285 states and 399 transitions. [2023-11-21 21:02:33,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:33,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-21 21:02:33,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:33,328 INFO L225 Difference]: With dead ends: 285 [2023-11-21 21:02:33,328 INFO L226 Difference]: Without dead ends: 282 [2023-11-21 21:02:33,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:33,364 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 195 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:33,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 158 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-21 21:02:33,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-21 21:02:33,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2023-11-21 21:02:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 189 states have (on average 1.3650793650793651) internal successors, (258), 194 states have internal predecessors, (258), 70 states have call successors, (70), 23 states have call predecessors, (70), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-21 21:02:33,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 396 transitions. [2023-11-21 21:02:33,402 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 396 transitions. Word has length 13 [2023-11-21 21:02:33,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:33,403 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 396 transitions. [2023-11-21 21:02:33,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:33,403 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 396 transitions. [2023-11-21 21:02:33,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 21:02:33,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:33,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:33,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:02:33,405 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:33,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:33,406 INFO L85 PathProgramCache]: Analyzing trace with hash -415142889, now seen corresponding path program 1 times [2023-11-21 21:02:33,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:33,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165598120] [2023-11-21 21:02:33,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:33,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:33,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:33,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165598120] [2023-11-21 21:02:33,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165598120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:33,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:33,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:02:33,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974967218] [2023-11-21 21:02:33,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:33,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:33,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:33,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:33,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:33,598 INFO L87 Difference]: Start difference. First operand 282 states and 396 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:35,632 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 [] [2023-11-21 21:02:35,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:35,787 INFO L93 Difference]: Finished difference Result 284 states and 397 transitions. [2023-11-21 21:02:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:35,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-21 21:02:35,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:35,790 INFO L225 Difference]: With dead ends: 284 [2023-11-21 21:02:35,791 INFO L226 Difference]: Without dead ends: 281 [2023-11-21 21:02:35,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:35,792 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 192 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:35,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 156 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-21 21:02:35,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-21 21:02:35,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2023-11-21 21:02:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 189 states have (on average 1.3597883597883598) internal successors, (257), 193 states have internal predecessors, (257), 69 states have call successors, (69), 23 states have call predecessors, (69), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-21 21:02:35,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2023-11-21 21:02:35,824 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 14 [2023-11-21 21:02:35,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:35,824 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2023-11-21 21:02:35,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:35,825 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2023-11-21 21:02:35,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 21:02:35,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:35,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:35,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 21:02:35,827 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:35,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:35,827 INFO L85 PathProgramCache]: Analyzing trace with hash 15356232, now seen corresponding path program 1 times [2023-11-21 21:02:35,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:35,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221229029] [2023-11-21 21:02:35,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:35,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:35,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:35,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:35,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221229029] [2023-11-21 21:02:35,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221229029] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:35,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:35,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:02:35,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578684012] [2023-11-21 21:02:35,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:35,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:35,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:35,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:35,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:35,959 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:37,990 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 [] [2023-11-21 21:02:38,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:38,137 INFO L93 Difference]: Finished difference Result 281 states and 394 transitions. [2023-11-21 21:02:38,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:38,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-21 21:02:38,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:38,138 INFO L225 Difference]: With dead ends: 281 [2023-11-21 21:02:38,138 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 21:02:38,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:38,141 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:38,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 154 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-21 21:02:38,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 21:02:38,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 21:02:38,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:38,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 21:02:38,143 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2023-11-21 21:02:38,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:38,143 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:02:38,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:38,144 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 21:02:38,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 21:02:38,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 21:02:38,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 21:02:38,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 21:02:38,938 INFO L899 garLoopResultBuilder]: For program point L6653-1(lines 6653 6654) no Hoare annotation was computed. [2023-11-21 21:02:38,939 INFO L902 garLoopResultBuilder]: At program point L6653(lines 6653 6654) the Hoare annotation is: true [2023-11-21 21:02:38,939 INFO L899 garLoopResultBuilder]: For program point get_dma_opsEXIT(lines 6650 6661) no Hoare annotation was computed. [2023-11-21 21:02:38,939 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6650 6661) the Hoare annotation is: true [2023-11-21 21:02:38,939 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8042 8044) the Hoare annotation is: true [2023-11-21 21:02:38,939 INFO L899 garLoopResultBuilder]: For program point flexcop_device_exitEXIT(lines 8042 8044) no Hoare annotation was computed. [2023-11-21 21:02:38,940 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8107 8109) no Hoare annotation was computed. [2023-11-21 21:02:38,940 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8107 8109) the Hoare annotation is: true [2023-11-21 21:02:38,940 INFO L899 garLoopResultBuilder]: For program point L6741-1(line 6741) no Hoare annotation was computed. [2023-11-21 21:02:38,940 INFO L902 garLoopResultBuilder]: At program point L6741(line 6741) the Hoare annotation is: true [2023-11-21 21:02:38,940 INFO L899 garLoopResultBuilder]: For program point L6560(lines 6557 6562) no Hoare annotation was computed. [2023-11-21 21:02:38,940 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitEXIT(lines 7217 7247) no Hoare annotation was computed. [2023-11-21 21:02:38,941 INFO L902 garLoopResultBuilder]: At program point L6742-2(lines 6742 6746) the Hoare annotation is: true [2023-11-21 21:02:38,941 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7217 7247) the Hoare annotation is: true [2023-11-21 21:02:38,941 INFO L899 garLoopResultBuilder]: For program point $Ultimate##14(lines 7234 7238) no Hoare annotation was computed. [2023-11-21 21:02:38,941 INFO L899 garLoopResultBuilder]: For program point L7223(lines 7223 7231) no Hoare annotation was computed. [2023-11-21 21:02:38,941 INFO L899 garLoopResultBuilder]: For program point L7223-2(lines 7223 7231) no Hoare annotation was computed. [2023-11-21 21:02:38,942 INFO L899 garLoopResultBuilder]: For program point L6736-1(line 6736) no Hoare annotation was computed. [2023-11-21 21:02:38,942 INFO L902 garLoopResultBuilder]: At program point L6736(line 6736) the Hoare annotation is: true [2023-11-21 21:02:38,942 INFO L899 garLoopResultBuilder]: For program point L7240-2(lines 7217 7247) no Hoare annotation was computed. [2023-11-21 21:02:38,942 INFO L899 garLoopResultBuilder]: For program point L7240(lines 7240 7244) no Hoare annotation was computed. [2023-11-21 21:02:38,942 INFO L899 garLoopResultBuilder]: For program point L6555-1(lines 6555 6556) no Hoare annotation was computed. [2023-11-21 21:02:38,942 INFO L902 garLoopResultBuilder]: At program point L6555(lines 6555 6556) the Hoare annotation is: true [2023-11-21 21:02:38,943 INFO L899 garLoopResultBuilder]: For program point L7224-6(lines 7224 7227) no Hoare annotation was computed. [2023-11-21 21:02:38,943 INFO L899 garLoopResultBuilder]: For program point L7224-4(lines 7224 7227) no Hoare annotation was computed. [2023-11-21 21:02:38,943 INFO L899 garLoopResultBuilder]: For program point L7225-1(line 7225) no Hoare annotation was computed. [2023-11-21 21:02:38,943 INFO L902 garLoopResultBuilder]: At program point L7225(line 7225) the Hoare annotation is: true [2023-11-21 21:02:38,943 INFO L899 garLoopResultBuilder]: For program point L6747(line 6747) no Hoare annotation was computed. [2023-11-21 21:02:38,943 INFO L899 garLoopResultBuilder]: For program point L6557(lines 6557 6563) no Hoare annotation was computed. [2023-11-21 21:02:38,944 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6634 6639) the Hoare annotation is: true [2023-11-21 21:02:38,944 INFO L899 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6634 6639) no Hoare annotation was computed. [2023-11-21 21:02:38,944 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8030 8034) the Hoare annotation is: true [2023-11-21 21:02:38,944 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 8030 8034) no Hoare annotation was computed. [2023-11-21 21:02:38,944 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_exitEXIT(lines 7382 7388) no Hoare annotation was computed. [2023-11-21 21:02:38,944 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7382 7388) the Hoare annotation is: true [2023-11-21 21:02:38,945 INFO L899 garLoopResultBuilder]: For program point L7385-1(line 7385) no Hoare annotation was computed. [2023-11-21 21:02:38,945 INFO L902 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2023-11-21 21:02:38,945 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8079 8081) the Hoare annotation is: true [2023-11-21 21:02:38,945 INFO L899 garLoopResultBuilder]: For program point printkEXIT(lines 8079 8081) no Hoare annotation was computed. [2023-11-21 21:02:38,945 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 7668 7673) the Hoare annotation is: true [2023-11-21 21:02:38,946 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7671) no Hoare annotation was computed. [2023-11-21 21:02:38,946 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7668 7673) no Hoare annotation was computed. [2023-11-21 21:02:38,946 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7675 7680) the Hoare annotation is: true [2023-11-21 21:02:38,946 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7675 7680) no Hoare annotation was computed. [2023-11-21 21:02:38,946 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8049 8051) the Hoare annotation is: true [2023-11-21 21:02:38,946 INFO L899 garLoopResultBuilder]: For program point flexcop_device_kfreeEXIT(lines 8049 8051) no Hoare annotation was computed. [2023-11-21 21:02:38,947 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6608 6614) the Hoare annotation is: true [2023-11-21 21:02:38,947 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6608 6614) no Hoare annotation was computed. [2023-11-21 21:02:38,947 INFO L895 garLoopResultBuilder]: At program point L7402(line 7402) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,947 INFO L899 garLoopResultBuilder]: For program point L7270(lines 7270 7273) no Hoare annotation was computed. [2023-11-21 21:02:38,948 INFO L899 garLoopResultBuilder]: For program point L7402-1(line 7402) no Hoare annotation was computed. [2023-11-21 21:02:38,948 INFO L899 garLoopResultBuilder]: For program point L7369(line 7369) no Hoare annotation was computed. [2023-11-21 21:02:38,948 INFO L895 garLoopResultBuilder]: At program point L7370(line 7370) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,953 INFO L899 garLoopResultBuilder]: For program point L7370-1(line 7370) no Hoare annotation was computed. [2023-11-21 21:02:38,953 INFO L899 garLoopResultBuilder]: For program point L7337-6(lines 7337 7340) no Hoare annotation was computed. [2023-11-21 21:02:38,953 INFO L899 garLoopResultBuilder]: For program point L7337-4(lines 7337 7340) no Hoare annotation was computed. [2023-11-21 21:02:38,954 INFO L895 garLoopResultBuilder]: At program point L7338(line 7338) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,956 INFO L895 garLoopResultBuilder]: At program point L7437(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,956 INFO L899 garLoopResultBuilder]: For program point L7305-1(line 7305) no Hoare annotation was computed. [2023-11-21 21:02:38,956 INFO L895 garLoopResultBuilder]: At program point L7305(line 7305) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,956 INFO L899 garLoopResultBuilder]: For program point L7338-1(line 7338) no Hoare annotation was computed. [2023-11-21 21:02:38,957 INFO L895 garLoopResultBuilder]: At program point L7439(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,957 INFO L899 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2023-11-21 21:02:38,958 INFO L895 garLoopResultBuilder]: At program point L7374(line 7374) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,958 INFO L899 garLoopResultBuilder]: For program point L7374-1(line 7374) no Hoare annotation was computed. [2023-11-21 21:02:38,958 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_probe_returnLabel#1(lines 7389 7444) no Hoare annotation was computed. [2023-11-21 21:02:38,958 INFO L899 garLoopResultBuilder]: For program point L7441(line 7441) no Hoare annotation was computed. [2023-11-21 21:02:38,958 INFO L899 garLoopResultBuilder]: For program point L8036-1(line 8036) no Hoare annotation was computed. [2023-11-21 21:02:38,958 INFO L895 garLoopResultBuilder]: At program point L8036(line 8036) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,958 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_transfer_init_returnLabel#1(lines 7248 7357) no Hoare annotation was computed. [2023-11-21 21:02:38,959 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_init_returnLabel#1(lines 7358 7381) no Hoare annotation was computed. [2023-11-21 21:02:38,959 INFO L899 garLoopResultBuilder]: For program point L7377(lines 7360 7380) no Hoare annotation was computed. [2023-11-21 21:02:38,959 INFO L899 garLoopResultBuilder]: For program point L7510(lines 7505 7585) no Hoare annotation was computed. [2023-11-21 21:02:38,959 INFO L899 garLoopResultBuilder]: For program point L7543(line 7543) no Hoare annotation was computed. [2023-11-21 21:02:38,959 INFO L895 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,959 INFO L899 garLoopResultBuilder]: For program point L7378-1(line 7378) no Hoare annotation was computed. [2023-11-21 21:02:38,959 INFO L899 garLoopResultBuilder]: For program point L7544(lines 7544 7575) no Hoare annotation was computed. [2023-11-21 21:02:38,959 INFO L895 garLoopResultBuilder]: At program point flexcop_usb_transfer_init_urb_error#1(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,960 INFO L899 garLoopResultBuilder]: For program point L7280(lines 7280 7284) no Hoare annotation was computed. [2023-11-21 21:02:38,960 INFO L899 garLoopResultBuilder]: For program point L8007(lines 8007 8010) no Hoare annotation was computed. [2023-11-21 21:02:38,960 INFO L899 garLoopResultBuilder]: For program point main_ldv_final#1(lines 7505 7585) no Hoare annotation was computed. [2023-11-21 21:02:38,960 INFO L899 garLoopResultBuilder]: For program point L7513(line 7513) no Hoare annotation was computed. [2023-11-21 21:02:38,960 INFO L899 garLoopResultBuilder]: For program point L8009-1(lines 8006 8020) no Hoare annotation was computed. [2023-11-21 21:02:38,960 INFO L895 garLoopResultBuilder]: At program point L8009(line 8009) the Hoare annotation is: false [2023-11-21 21:02:38,960 INFO L899 garLoopResultBuilder]: For program point L7514(lines 7514 7541) no Hoare annotation was computed. [2023-11-21 21:02:38,960 INFO L899 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2023-11-21 21:02:38,961 INFO L899 garLoopResultBuilder]: For program point L7316-5(lines 7316 7319) no Hoare annotation was computed. [2023-11-21 21:02:38,961 INFO L899 garLoopResultBuilder]: For program point L7316-3(lines 7316 7319) no Hoare annotation was computed. [2023-11-21 21:02:38,961 INFO L895 garLoopResultBuilder]: At program point flexcop_usb_probe_err_fc_exit#1(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,964 INFO L899 garLoopResultBuilder]: For program point L7548(lines 7548 7553) no Hoare annotation was computed. [2023-11-21 21:02:38,964 INFO L899 garLoopResultBuilder]: For program point L7317-1(line 7317) no Hoare annotation was computed. [2023-11-21 21:02:38,964 INFO L895 garLoopResultBuilder]: At program point L7317(line 7317) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,965 INFO L899 garLoopResultBuilder]: For program point L7451-1(line 7451) no Hoare annotation was computed. [2023-11-21 21:02:38,965 INFO L895 garLoopResultBuilder]: At program point L7451(line 7451) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,965 INFO L899 garLoopResultBuilder]: For program point L7517(line 7517) no Hoare annotation was computed. [2023-11-21 21:02:38,965 INFO L899 garLoopResultBuilder]: For program point L8013-1(lines 8006 8020) no Hoare annotation was computed. [2023-11-21 21:02:38,965 INFO L895 garLoopResultBuilder]: At program point L8013(line 8013) the Hoare annotation is: false [2023-11-21 21:02:38,965 INFO L899 garLoopResultBuilder]: For program point L7518(lines 7518 7526) no Hoare annotation was computed. [2023-11-21 21:02:38,966 INFO L899 garLoopResultBuilder]: For program point L7452-1(line 7452) no Hoare annotation was computed. [2023-11-21 21:02:38,967 INFO L895 garLoopResultBuilder]: At program point L7452(line 7452) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,967 INFO L899 garLoopResultBuilder]: For program point L7354(line 7354) no Hoare annotation was computed. [2023-11-21 21:02:38,967 INFO L899 garLoopResultBuilder]: For program point L7420(lines 7420 7423) no Hoare annotation was computed. [2023-11-21 21:02:38,967 INFO L899 garLoopResultBuilder]: For program point L7453-1(line 7453) no Hoare annotation was computed. [2023-11-21 21:02:38,967 INFO L895 garLoopResultBuilder]: At program point L7453(line 7453) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,967 INFO L895 garLoopResultBuilder]: At program point L7454(line 7454) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,968 INFO L899 garLoopResultBuilder]: For program point L7454-1(line 7454) no Hoare annotation was computed. [2023-11-21 21:02:38,968 INFO L899 garLoopResultBuilder]: For program point L7455-1(line 7455) no Hoare annotation was computed. [2023-11-21 21:02:38,968 INFO L895 garLoopResultBuilder]: At program point L7455(line 7455) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,968 INFO L899 garLoopResultBuilder]: For program point L8083-1(line 8083) no Hoare annotation was computed. [2023-11-21 21:02:38,968 INFO L895 garLoopResultBuilder]: At program point L8083(line 8083) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,968 INFO L899 garLoopResultBuilder]: For program point L8017-1(lines 8004 8021) no Hoare annotation was computed. [2023-11-21 21:02:38,968 INFO L895 garLoopResultBuilder]: At program point L8017(line 8017) the Hoare annotation is: false [2023-11-21 21:02:38,968 INFO L899 garLoopResultBuilder]: For program point $Ultimate##74(lines 7287 7291) no Hoare annotation was computed. [2023-11-21 21:02:38,973 INFO L899 garLoopResultBuilder]: For program point L7555(line 7555) no Hoare annotation was computed. [2023-11-21 21:02:38,973 INFO L899 garLoopResultBuilder]: For program point L7556(lines 7556 7568) no Hoare annotation was computed. [2023-11-21 21:02:38,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 21:02:38,973 INFO L899 garLoopResultBuilder]: For program point L7425(lines 7425 7428) no Hoare annotation was computed. [2023-11-21 21:02:38,973 INFO L899 garLoopResultBuilder]: For program point L8053-1(line 8053) no Hoare annotation was computed. [2023-11-21 21:02:38,974 INFO L895 garLoopResultBuilder]: At program point L8053(line 8053) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,974 INFO L899 garLoopResultBuilder]: For program point L7558-2(lines 7556 7567) no Hoare annotation was computed. [2023-11-21 21:02:38,974 INFO L899 garLoopResultBuilder]: For program point L7263-4(lines 7263 7267) no Hoare annotation was computed. [2023-11-21 21:02:38,974 INFO L899 garLoopResultBuilder]: For program point L7263-6(lines 7263 7267) no Hoare annotation was computed. [2023-11-21 21:02:38,974 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 21:02:38,974 INFO L899 garLoopResultBuilder]: For program point L7528(line 7528) no Hoare annotation was computed. [2023-11-21 21:02:38,974 INFO L899 garLoopResultBuilder]: For program point L7363(line 7363) no Hoare annotation was computed. [2023-11-21 21:02:38,974 INFO L899 garLoopResultBuilder]: For program point L7264-1(lines 7264 7265) no Hoare annotation was computed. [2023-11-21 21:02:38,975 INFO L895 garLoopResultBuilder]: At program point L7264(lines 7264 7265) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,976 INFO L899 garLoopResultBuilder]: For program point L6703-1(line 6703) no Hoare annotation was computed. [2023-11-21 21:02:38,976 INFO L895 garLoopResultBuilder]: At program point L6703(line 6703) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,976 INFO L899 garLoopResultBuilder]: For program point L7430(lines 7430 7433) no Hoare annotation was computed. [2023-11-21 21:02:38,976 INFO L899 garLoopResultBuilder]: For program point L7529(lines 7529 7534) no Hoare annotation was computed. [2023-11-21 21:02:38,976 INFO L899 garLoopResultBuilder]: For program point L7331-1(line 7331) no Hoare annotation was computed. [2023-11-21 21:02:38,977 INFO L899 garLoopResultBuilder]: For program point L7364-1(line 7364) no Hoare annotation was computed. [2023-11-21 21:02:38,977 INFO L895 garLoopResultBuilder]: At program point L7331(line 7331) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,977 INFO L895 garLoopResultBuilder]: At program point L7364(line 7364) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,977 INFO L899 garLoopResultBuilder]: For program point L7298-4(lines 7298 7301) no Hoare annotation was computed. [2023-11-21 21:02:38,977 INFO L899 garLoopResultBuilder]: For program point L7298-6(lines 7298 7301) no Hoare annotation was computed. [2023-11-21 21:02:38,977 INFO L899 garLoopResultBuilder]: For program point L7299-1(line 7299) no Hoare annotation was computed. [2023-11-21 21:02:38,977 INFO L895 garLoopResultBuilder]: At program point L7299(line 7299) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,977 INFO L899 garLoopResultBuilder]: For program point L7332(lines 7332 7336) no Hoare annotation was computed. [2023-11-21 21:02:38,978 INFO L895 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,978 INFO L899 garLoopResultBuilder]: For program point L7366(line 7366) no Hoare annotation was computed. [2023-11-21 21:02:38,978 INFO L899 garLoopResultBuilder]: For program point $Ultimate##100(lines 7325 7329) no Hoare annotation was computed. [2023-11-21 21:02:38,978 INFO L899 garLoopResultBuilder]: For program point L7333-1(line 7333) no Hoare annotation was computed. [2023-11-21 21:02:38,978 INFO L895 garLoopResultBuilder]: At program point L7333(line 7333) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,978 INFO L899 garLoopResultBuilder]: For program point L7367-1(line 7367) no Hoare annotation was computed. [2023-11-21 21:02:38,979 INFO L895 garLoopResultBuilder]: At program point L7367(line 7367) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,979 INFO L899 garLoopResultBuilder]: For program point $Ultimate##113(lines 7343 7347) no Hoare annotation was computed. [2023-11-21 21:02:38,981 INFO L895 garLoopResultBuilder]: At program point L7434(line 7434) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:38,981 INFO L899 garLoopResultBuilder]: For program point L7401(lines 7401 7405) no Hoare annotation was computed. [2023-11-21 21:02:38,982 INFO L899 garLoopResultBuilder]: For program point L7434-1(line 7434) no Hoare annotation was computed. [2023-11-21 21:02:38,985 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-21 21:02:38,987 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:02:39,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_mutex_of_device~0 [2023-11-21 21:02:39,001 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_lock~0 [2023-11-21 21:02:39,001 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2023-11-21 21:02:39,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:02:39 BoogieIcfgContainer [2023-11-21 21:02:39,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:02:39,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:02:39,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:02:39,005 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:02:39,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:23" (3/4) ... [2023-11-21 21:02:39,008 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:02:39,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2023-11-21 21:02:39,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2023-11-21 21:02:39,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2023-11-21 21:02:39,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-11-21 21:02:39,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2023-11-21 21:02:39,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2023-11-21 21:02:39,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2023-11-21 21:02:39,013 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2023-11-21 21:02:39,013 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-11-21 21:02:39,013 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2023-11-21 21:02:39,013 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2023-11-21 21:02:39,013 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2023-11-21 21:02:39,047 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2023-11-21 21:02:39,050 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2023-11-21 21:02:39,052 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-21 21:02:39,055 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 21:02:39,058 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 21:02:39,060 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:02:39,063 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:02:39,338 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:02:39,339 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:02:39,339 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:02:39,340 INFO L158 Benchmark]: Toolchain (without parser) took 21038.28ms. Allocated memory was 172.0MB in the beginning and 346.0MB in the end (delta: 174.1MB). Free memory was 120.5MB in the beginning and 234.8MB in the end (delta: -114.3MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,340 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:02:39,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2197.17ms. Allocated memory was 172.0MB in the beginning and 224.4MB in the end (delta: 52.4MB). Free memory was 120.0MB in the beginning and 151.5MB in the end (delta: -31.5MB). Peak memory consumption was 118.4MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.16ms. Allocated memory is still 224.4MB. Free memory was 151.5MB in the beginning and 142.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,342 INFO L158 Benchmark]: Boogie Preprocessor took 310.59ms. Allocated memory is still 224.4MB. Free memory was 142.1MB in the beginning and 122.1MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,342 INFO L158 Benchmark]: RCFGBuilder took 2653.99ms. Allocated memory was 224.4MB in the beginning and 346.0MB in the end (delta: 121.6MB). Free memory was 122.1MB in the beginning and 260.4MB in the end (delta: -138.2MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,342 INFO L158 Benchmark]: TraceAbstraction took 15384.56ms. Allocated memory is still 346.0MB. Free memory was 260.4MB in the beginning and 255.8MB in the end (delta: 4.6MB). Peak memory consumption was 134.6MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,343 INFO L158 Benchmark]: Witness Printer took 334.14ms. Allocated memory is still 346.0MB. Free memory was 255.8MB in the beginning and 234.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2197.17ms. Allocated memory was 172.0MB in the beginning and 224.4MB in the end (delta: 52.4MB). Free memory was 120.0MB in the beginning and 151.5MB in the end (delta: -31.5MB). Peak memory consumption was 118.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.16ms. Allocated memory is still 224.4MB. Free memory was 151.5MB in the beginning and 142.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 310.59ms. Allocated memory is still 224.4MB. Free memory was 142.1MB in the beginning and 122.1MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 2653.99ms. Allocated memory was 224.4MB in the beginning and 346.0MB in the end (delta: 121.6MB). Free memory was 122.1MB in the beginning and 260.4MB in the end (delta: -138.2MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. * TraceAbstraction took 15384.56ms. Allocated memory is still 346.0MB. Free memory was 260.4MB in the beginning and 255.8MB in the end (delta: 4.6MB). Peak memory consumption was 134.6MB. Max. memory is 16.1GB. * Witness Printer took 334.14ms. Allocated memory is still 346.0MB. Free memory was 255.8MB in the beginning and 234.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 6558]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [6558-6559] - GenericResultAtLocation [Line: 6564]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6564-6566] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7671]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 762 SdHoareTripleChecker+Valid, 12.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 762 mSDsluCounter, 789 SdHoareTripleChecker+Invalid, 12.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 159 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 630 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 181 PreInvPairs, 237 NumberOfFragments, 302 HoareAnnotationTreeSize, 181 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 50 FomulaSimplificationsInter, 1346 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 6608]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) RESULT: Ultimate proved your program to be correct! [2023-11-21 21:02:39,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4de2c0-b4bc-4126-b1ad-3f2c6551f86c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE