./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.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_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:51:45,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:51:45,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:51:45,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:51:45,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:51:45,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:51:45,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:51:45,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:51:45,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:51:45,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:51:45,321 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:51:45,321 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:51:45,322 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:51:45,324 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:51:45,324 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:51:45,325 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:51:45,325 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:51:45,326 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:51:45,326 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:51:45,327 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:51:45,328 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:51:45,328 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:51:45,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:51:45,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:51:45,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:51:45,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:51:45,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:51:45,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:51:45,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:51:45,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:51:45,333 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:51:45,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:51:45,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:51:45,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:51:45,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:51:45,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:51:45,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:51:45,336 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:51:45,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:51:45,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:51:45,336 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:51:45,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:51:45,337 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2023-11-19 04:51:45,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:51:45,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:51:45,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:51:45,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:51:45,719 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:51:45,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2023-11-19 04:51:49,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:51:50,043 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:51:50,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2023-11-19 04:51:50,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/data/ec75625be/c20ede8bedf84b57bddaa67163acff97/FLAG05df52823 [2023-11-19 04:51:50,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/data/ec75625be/c20ede8bedf84b57bddaa67163acff97 [2023-11-19 04:51:50,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:51:50,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:51:50,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:51:50,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:51:50,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:51:50,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366357f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50, skipping insertion in model container [2023-11-19 04:51:50,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:51:51,913 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_178857c1-c2f0-4ab9-a849-2056d64cc588/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] [2023-11-19 04:51:52,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:51:52,090 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:51:52,308 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] [2023-11-19 04:51:52,310 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] [2023-11-19 04:51:52,621 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_178857c1-c2f0-4ab9-a849-2056d64cc588/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] [2023-11-19 04:51:52,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:51:52,680 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:51:52,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52 WrapperNode [2023-11-19 04:51:52,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:51:52,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:51:52,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:51:52,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:51:52,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52" (1/1) ... [2023-11-19 04:51:52,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52" (1/1) ... [2023-11-19 04:51:52,911 INFO L138 Inliner]: procedures = 127, calls = 1010, calls flagged for inlining = 54, calls inlined = 42, statements flattened = 975 [2023-11-19 04:51:52,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:51:52,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:51:52,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:51:52,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:51:52,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52" (1/1) ... [2023-11-19 04:51:52,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52" (1/1) ... [2023-11-19 04:51:52,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52" (1/1) ... [2023-11-19 04:51:52,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52" (1/1) ... [2023-11-19 04:51:53,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52" (1/1) ... [2023-11-19 04:51:53,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52" (1/1) ... [2023-11-19 04:51:53,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52" (1/1) ... [2023-11-19 04:51:53,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52" (1/1) ... [2023-11-19 04:51:53,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:51:53,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:51:53,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:51:53,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:51:53,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52" (1/1) ... [2023-11-19 04:51:53,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:51:53,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:51:53,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:51:53,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:51:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:51:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:51:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2023-11-19 04:51:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2023-11-19 04:51:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-19 04:51:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-19 04:51:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:51:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 04:51:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 04:51:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:51:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:51:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2023-11-19 04:51:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2023-11-19 04:51:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:51:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:51:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:51:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:51:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:51:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2023-11-19 04:51:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2023-11-19 04:51:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:51:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:51:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:51:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:51:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2023-11-19 04:51:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2023-11-19 04:51:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:51:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:51:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:51:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 04:51:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 04:51:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:51:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:51:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:51:53,850 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:51:53,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:51:55,872 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:51:56,492 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:51:56,492 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:51:56,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:56 BoogieIcfgContainer [2023-11-19 04:51:56,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:51:56,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:51:56,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:51:56,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:51:56,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:51:50" (1/3) ... [2023-11-19 04:51:56,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3b04c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:56, skipping insertion in model container [2023-11-19 04:51:56,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:52" (2/3) ... [2023-11-19 04:51:56,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3b04c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:56, skipping insertion in model container [2023-11-19 04:51:56,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:56" (3/3) ... [2023-11-19 04:51:56,512 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2023-11-19 04:51:56,532 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:51:56,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:51:56,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:51:56,607 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=FINITE_AUTOMATA, 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;@6f02ff7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:51:56,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:51:56,612 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) [2023-11-19 04:51:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:51:56,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:51:56,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:51:56,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:51:56,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:51:56,632 INFO L85 PathProgramCache]: Analyzing trace with hash 564225535, now seen corresponding path program 1 times [2023-11-19 04:51:56,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:51:56,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815178251] [2023-11-19 04:51:56,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:56,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:51:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:51:57,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:51:57,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:51:57,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815178251] [2023-11-19 04:51:57,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815178251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:51:57,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:51:57,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:51:57,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824955723] [2023-11-19 04:51:57,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:51:57,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:51:57,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:51:57,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:51:57,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:51:57,485 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) [2023-11-19 04:51:59,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:02,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:02,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:02,917 INFO L93 Difference]: Finished difference Result 437 states and 625 transitions. [2023-11-19 04:52:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:52:02,921 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 [2023-11-19 04:52:02,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:02,949 INFO L225 Difference]: With dead ends: 437 [2023-11-19 04:52:02,949 INFO L226 Difference]: Without dead ends: 283 [2023-11-19 04:52:02,954 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 [2023-11-19 04:52:02,959 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 187 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:02,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 323 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2023-11-19 04:52:02,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-11-19 04:52:03,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2023-11-19 04:52:03,056 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) [2023-11-19 04:52:03,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 398 transitions. [2023-11-19 04:52:03,065 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 398 transitions. Word has length 11 [2023-11-19 04:52:03,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:03,066 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 398 transitions. [2023-11-19 04:52:03,066 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) [2023-11-19 04:52:03,067 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 398 transitions. [2023-11-19 04:52:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:52:03,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:03,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:03,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:52:03,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:03,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:03,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1709112458, now seen corresponding path program 1 times [2023-11-19 04:52:03,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:03,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273439546] [2023-11-19 04:52:03,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:03,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:52:03,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:03,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273439546] [2023-11-19 04:52:03,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273439546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:03,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:03,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:52:03,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593724524] [2023-11-19 04:52:03,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:03,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:03,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:03,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:03,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:03,307 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) [2023-11-19 04:52:05,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:05,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:05,440 INFO L93 Difference]: Finished difference Result 285 states and 399 transitions. [2023-11-19 04:52:05,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:52:05,441 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 [2023-11-19 04:52:05,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:05,445 INFO L225 Difference]: With dead ends: 285 [2023-11-19 04:52:05,445 INFO L226 Difference]: Without dead ends: 282 [2023-11-19 04:52:05,446 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 [2023-11-19 04:52:05,448 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 195 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:05,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 158 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-19 04:52:05,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-19 04:52:05,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2023-11-19 04:52:05,490 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) [2023-11-19 04:52:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 396 transitions. [2023-11-19 04:52:05,496 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 396 transitions. Word has length 13 [2023-11-19 04:52:05,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:05,496 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 396 transitions. [2023-11-19 04:52:05,497 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) [2023-11-19 04:52:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 396 transitions. [2023-11-19 04:52:05,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:52:05,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:05,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:05,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:52:05,499 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:05,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:05,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1442755700, now seen corresponding path program 1 times [2023-11-19 04:52:05,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:05,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569337337] [2023-11-19 04:52:05,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:05,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:05,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:52:05,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:05,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569337337] [2023-11-19 04:52:05,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569337337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:05,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:05,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:52:05,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760409106] [2023-11-19 04:52:05,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:05,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:05,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:05,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:05,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:05,715 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) [2023-11-19 04:52:07,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:07,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:07,901 INFO L93 Difference]: Finished difference Result 284 states and 397 transitions. [2023-11-19 04:52:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:52:07,901 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 [2023-11-19 04:52:07,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:07,905 INFO L225 Difference]: With dead ends: 284 [2023-11-19 04:52:07,905 INFO L226 Difference]: Without dead ends: 281 [2023-11-19 04:52:07,906 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 [2023-11-19 04:52:07,908 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 [2023-11-19 04:52:07,909 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] [2023-11-19 04:52:07,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-19 04:52:07,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2023-11-19 04:52:07,948 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) [2023-11-19 04:52:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2023-11-19 04:52:07,952 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 14 [2023-11-19 04:52:07,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:07,953 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2023-11-19 04:52:07,953 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) [2023-11-19 04:52:07,953 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2023-11-19 04:52:07,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:52:07,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:07,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:07,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:52:07,956 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:07,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:07,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1775635661, now seen corresponding path program 1 times [2023-11-19 04:52:07,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:07,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103071446] [2023-11-19 04:52:07,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:07,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:52:08,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:08,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103071446] [2023-11-19 04:52:08,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103071446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:08,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:08,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:52:08,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313756929] [2023-11-19 04:52:08,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:08,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:08,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:08,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:08,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:08,107 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) [2023-11-19 04:52:10,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:10,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:10,328 INFO L93 Difference]: Finished difference Result 281 states and 394 transitions. [2023-11-19 04:52:10,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:52:10,329 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 [2023-11-19 04:52:10,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:10,329 INFO L225 Difference]: With dead ends: 281 [2023-11-19 04:52:10,329 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:52:10,332 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 [2023-11-19 04:52:10,333 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:10,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 154 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-19 04:52:10,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:52:10,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:52:10,335 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) [2023-11-19 04:52:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:52:10,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2023-11-19 04:52:10,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:10,337 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:52:10,337 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) [2023-11-19 04:52:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:52:10,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:52:10,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:52:10,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:52:10,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:52:11,183 INFO L899 garLoopResultBuilder]: For program point L6653-1(lines 6653 6654) no Hoare annotation was computed. [2023-11-19 04:52:11,184 INFO L902 garLoopResultBuilder]: At program point L6653(lines 6653 6654) the Hoare annotation is: true [2023-11-19 04:52:11,184 INFO L899 garLoopResultBuilder]: For program point get_dma_opsEXIT(lines 6650 6661) no Hoare annotation was computed. [2023-11-19 04:52:11,184 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6650 6661) the Hoare annotation is: true [2023-11-19 04:52:11,184 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8049 8051) the Hoare annotation is: true [2023-11-19 04:52:11,184 INFO L899 garLoopResultBuilder]: For program point flexcop_device_kfreeEXIT(lines 8049 8051) no Hoare annotation was computed. [2023-11-19 04:52:11,184 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6608 6614) the Hoare annotation is: true [2023-11-19 04:52:11,185 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6608 6614) no Hoare annotation was computed. [2023-11-19 04:52:11,185 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8079 8081) the Hoare annotation is: true [2023-11-19 04:52:11,185 INFO L899 garLoopResultBuilder]: For program point printkEXIT(lines 8079 8081) no Hoare annotation was computed. [2023-11-19 04:52:11,185 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8042 8044) the Hoare annotation is: true [2023-11-19 04:52:11,185 INFO L899 garLoopResultBuilder]: For program point flexcop_device_exitEXIT(lines 8042 8044) no Hoare annotation was computed. [2023-11-19 04:52:11,185 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8107 8109) no Hoare annotation was computed. [2023-11-19 04:52:11,185 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8107 8109) the Hoare annotation is: true [2023-11-19 04:52:11,185 INFO L899 garLoopResultBuilder]: For program point L6741-1(line 6741) no Hoare annotation was computed. [2023-11-19 04:52:11,186 INFO L902 garLoopResultBuilder]: At program point L6741(line 6741) the Hoare annotation is: true [2023-11-19 04:52:11,186 INFO L899 garLoopResultBuilder]: For program point L6560(lines 6557 6562) no Hoare annotation was computed. [2023-11-19 04:52:11,186 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitEXIT(lines 7217 7247) no Hoare annotation was computed. [2023-11-19 04:52:11,186 INFO L902 garLoopResultBuilder]: At program point L6742-2(lines 6742 6746) the Hoare annotation is: true [2023-11-19 04:52:11,186 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7217 7247) the Hoare annotation is: true [2023-11-19 04:52:11,186 INFO L899 garLoopResultBuilder]: For program point $Ultimate##14(lines 7234 7238) no Hoare annotation was computed. [2023-11-19 04:52:11,186 INFO L899 garLoopResultBuilder]: For program point L7223(lines 7223 7231) no Hoare annotation was computed. [2023-11-19 04:52:11,186 INFO L899 garLoopResultBuilder]: For program point L7223-2(lines 7223 7231) no Hoare annotation was computed. [2023-11-19 04:52:11,186 INFO L899 garLoopResultBuilder]: For program point L6736-1(line 6736) no Hoare annotation was computed. [2023-11-19 04:52:11,187 INFO L902 garLoopResultBuilder]: At program point L6736(line 6736) the Hoare annotation is: true [2023-11-19 04:52:11,187 INFO L899 garLoopResultBuilder]: For program point L7240-2(lines 7217 7247) no Hoare annotation was computed. [2023-11-19 04:52:11,187 INFO L899 garLoopResultBuilder]: For program point L7240(lines 7240 7244) no Hoare annotation was computed. [2023-11-19 04:52:11,187 INFO L899 garLoopResultBuilder]: For program point L6555-1(lines 6555 6556) no Hoare annotation was computed. [2023-11-19 04:52:11,187 INFO L902 garLoopResultBuilder]: At program point L6555(lines 6555 6556) the Hoare annotation is: true [2023-11-19 04:52:11,187 INFO L899 garLoopResultBuilder]: For program point L7224-6(lines 7224 7227) no Hoare annotation was computed. [2023-11-19 04:52:11,187 INFO L899 garLoopResultBuilder]: For program point L7224-4(lines 7224 7227) no Hoare annotation was computed. [2023-11-19 04:52:11,187 INFO L899 garLoopResultBuilder]: For program point L7225-1(line 7225) no Hoare annotation was computed. [2023-11-19 04:52:11,188 INFO L902 garLoopResultBuilder]: At program point L7225(line 7225) the Hoare annotation is: true [2023-11-19 04:52:11,188 INFO L899 garLoopResultBuilder]: For program point L6747(line 6747) no Hoare annotation was computed. [2023-11-19 04:52:11,188 INFO L899 garLoopResultBuilder]: For program point L6557(lines 6557 6563) no Hoare annotation was computed. [2023-11-19 04:52:11,188 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6634 6639) the Hoare annotation is: true [2023-11-19 04:52:11,188 INFO L899 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6634 6639) no Hoare annotation was computed. [2023-11-19 04:52:11,188 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8030 8034) the Hoare annotation is: true [2023-11-19 04:52:11,188 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 8030 8034) no Hoare annotation was computed. [2023-11-19 04:52:11,189 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 7668 7673) the Hoare annotation is: true [2023-11-19 04:52:11,189 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7671) no Hoare annotation was computed. [2023-11-19 04:52:11,189 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7668 7673) no Hoare annotation was computed. [2023-11-19 04:52:11,189 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_exitEXIT(lines 7382 7388) no Hoare annotation was computed. [2023-11-19 04:52:11,189 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7382 7388) the Hoare annotation is: true [2023-11-19 04:52:11,189 INFO L899 garLoopResultBuilder]: For program point L7385-1(line 7385) no Hoare annotation was computed. [2023-11-19 04:52:11,189 INFO L902 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2023-11-19 04:52:11,190 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)) [2023-11-19 04:52:11,190 INFO L899 garLoopResultBuilder]: For program point L7270(lines 7270 7273) no Hoare annotation was computed. [2023-11-19 04:52:11,190 INFO L899 garLoopResultBuilder]: For program point L7402-1(line 7402) no Hoare annotation was computed. [2023-11-19 04:52:11,190 INFO L899 garLoopResultBuilder]: For program point L7369(line 7369) no Hoare annotation was computed. [2023-11-19 04:52:11,190 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)) [2023-11-19 04:52:11,191 INFO L899 garLoopResultBuilder]: For program point L7370-1(line 7370) no Hoare annotation was computed. [2023-11-19 04:52:11,191 INFO L899 garLoopResultBuilder]: For program point L7337-6(lines 7337 7340) no Hoare annotation was computed. [2023-11-19 04:52:11,191 INFO L899 garLoopResultBuilder]: For program point L7337-4(lines 7337 7340) no Hoare annotation was computed. [2023-11-19 04:52:11,191 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)) [2023-11-19 04:52:11,191 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)) [2023-11-19 04:52:11,191 INFO L899 garLoopResultBuilder]: For program point L7305-1(line 7305) no Hoare annotation was computed. [2023-11-19 04:52:11,191 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)) [2023-11-19 04:52:11,192 INFO L899 garLoopResultBuilder]: For program point L7338-1(line 7338) no Hoare annotation was computed. [2023-11-19 04:52:11,192 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)) [2023-11-19 04:52:11,192 INFO L899 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2023-11-19 04:52:11,192 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)) [2023-11-19 04:52:11,192 INFO L899 garLoopResultBuilder]: For program point L7374-1(line 7374) no Hoare annotation was computed. [2023-11-19 04:52:11,192 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_probe_returnLabel#1(lines 7389 7444) no Hoare annotation was computed. [2023-11-19 04:52:11,192 INFO L899 garLoopResultBuilder]: For program point L7441(line 7441) no Hoare annotation was computed. [2023-11-19 04:52:11,194 INFO L899 garLoopResultBuilder]: For program point L8036-1(line 8036) no Hoare annotation was computed. [2023-11-19 04:52:11,194 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)) [2023-11-19 04:52:11,195 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_transfer_init_returnLabel#1(lines 7248 7357) no Hoare annotation was computed. [2023-11-19 04:52:11,195 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_init_returnLabel#1(lines 7358 7381) no Hoare annotation was computed. [2023-11-19 04:52:11,195 INFO L899 garLoopResultBuilder]: For program point L7377(lines 7360 7380) no Hoare annotation was computed. [2023-11-19 04:52:11,195 INFO L899 garLoopResultBuilder]: For program point L7510(lines 7505 7585) no Hoare annotation was computed. [2023-11-19 04:52:11,195 INFO L899 garLoopResultBuilder]: For program point L7543(line 7543) no Hoare annotation was computed. [2023-11-19 04:52:11,196 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)) [2023-11-19 04:52:11,196 INFO L899 garLoopResultBuilder]: For program point L7378-1(line 7378) no Hoare annotation was computed. [2023-11-19 04:52:11,196 INFO L899 garLoopResultBuilder]: For program point L7544(lines 7544 7575) no Hoare annotation was computed. [2023-11-19 04:52:11,196 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)) [2023-11-19 04:52:11,196 INFO L899 garLoopResultBuilder]: For program point L7280(lines 7280 7284) no Hoare annotation was computed. [2023-11-19 04:52:11,197 INFO L899 garLoopResultBuilder]: For program point L8007(lines 8007 8010) no Hoare annotation was computed. [2023-11-19 04:52:11,197 INFO L899 garLoopResultBuilder]: For program point main_ldv_final#1(lines 7505 7585) no Hoare annotation was computed. [2023-11-19 04:52:11,197 INFO L899 garLoopResultBuilder]: For program point L7513(line 7513) no Hoare annotation was computed. [2023-11-19 04:52:11,197 INFO L899 garLoopResultBuilder]: For program point L8009-1(lines 8006 8020) no Hoare annotation was computed. [2023-11-19 04:52:11,197 INFO L895 garLoopResultBuilder]: At program point L8009(line 8009) the Hoare annotation is: false [2023-11-19 04:52:11,198 INFO L899 garLoopResultBuilder]: For program point L7514(lines 7514 7541) no Hoare annotation was computed. [2023-11-19 04:52:11,198 INFO L899 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2023-11-19 04:52:11,198 INFO L899 garLoopResultBuilder]: For program point L7316-5(lines 7316 7319) no Hoare annotation was computed. [2023-11-19 04:52:11,198 INFO L899 garLoopResultBuilder]: For program point L7316-3(lines 7316 7319) no Hoare annotation was computed. [2023-11-19 04:52:11,198 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)) [2023-11-19 04:52:11,198 INFO L899 garLoopResultBuilder]: For program point L7548(lines 7548 7553) no Hoare annotation was computed. [2023-11-19 04:52:11,199 INFO L899 garLoopResultBuilder]: For program point L7317-1(line 7317) no Hoare annotation was computed. [2023-11-19 04:52:11,199 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)) [2023-11-19 04:52:11,199 INFO L899 garLoopResultBuilder]: For program point L7451-1(line 7451) no Hoare annotation was computed. [2023-11-19 04:52:11,199 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)) [2023-11-19 04:52:11,199 INFO L899 garLoopResultBuilder]: For program point L7517(line 7517) no Hoare annotation was computed. [2023-11-19 04:52:11,200 INFO L899 garLoopResultBuilder]: For program point L8013-1(lines 8006 8020) no Hoare annotation was computed. [2023-11-19 04:52:11,200 INFO L895 garLoopResultBuilder]: At program point L8013(line 8013) the Hoare annotation is: false [2023-11-19 04:52:11,200 INFO L899 garLoopResultBuilder]: For program point L7518(lines 7518 7526) no Hoare annotation was computed. [2023-11-19 04:52:11,200 INFO L899 garLoopResultBuilder]: For program point L7452-1(line 7452) no Hoare annotation was computed. [2023-11-19 04:52:11,200 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)) [2023-11-19 04:52:11,201 INFO L899 garLoopResultBuilder]: For program point L7354(line 7354) no Hoare annotation was computed. [2023-11-19 04:52:11,201 INFO L899 garLoopResultBuilder]: For program point L7420(lines 7420 7423) no Hoare annotation was computed. [2023-11-19 04:52:11,201 INFO L899 garLoopResultBuilder]: For program point L7453-1(line 7453) no Hoare annotation was computed. [2023-11-19 04:52:11,201 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)) [2023-11-19 04:52:11,201 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)) [2023-11-19 04:52:11,201 INFO L899 garLoopResultBuilder]: For program point L7454-1(line 7454) no Hoare annotation was computed. [2023-11-19 04:52:11,202 INFO L899 garLoopResultBuilder]: For program point L7455-1(line 7455) no Hoare annotation was computed. [2023-11-19 04:52:11,202 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)) [2023-11-19 04:52:11,202 INFO L899 garLoopResultBuilder]: For program point L8083-1(line 8083) no Hoare annotation was computed. [2023-11-19 04:52:11,202 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)) [2023-11-19 04:52:11,202 INFO L899 garLoopResultBuilder]: For program point L8017-1(lines 8004 8021) no Hoare annotation was computed. [2023-11-19 04:52:11,203 INFO L895 garLoopResultBuilder]: At program point L8017(line 8017) the Hoare annotation is: false [2023-11-19 04:52:11,203 INFO L899 garLoopResultBuilder]: For program point $Ultimate##74(lines 7287 7291) no Hoare annotation was computed. [2023-11-19 04:52:11,203 INFO L899 garLoopResultBuilder]: For program point L7555(line 7555) no Hoare annotation was computed. [2023-11-19 04:52:11,203 INFO L899 garLoopResultBuilder]: For program point L7556(lines 7556 7568) no Hoare annotation was computed. [2023-11-19 04:52:11,203 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:52:11,203 INFO L899 garLoopResultBuilder]: For program point L7425(lines 7425 7428) no Hoare annotation was computed. [2023-11-19 04:52:11,204 INFO L899 garLoopResultBuilder]: For program point L8053-1(line 8053) no Hoare annotation was computed. [2023-11-19 04:52:11,204 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)) [2023-11-19 04:52:11,204 INFO L899 garLoopResultBuilder]: For program point L7558-2(lines 7556 7567) no Hoare annotation was computed. [2023-11-19 04:52:11,204 INFO L899 garLoopResultBuilder]: For program point L7263-4(lines 7263 7267) no Hoare annotation was computed. [2023-11-19 04:52:11,204 INFO L899 garLoopResultBuilder]: For program point L7263-6(lines 7263 7267) no Hoare annotation was computed. [2023-11-19 04:52:11,204 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:52:11,205 INFO L899 garLoopResultBuilder]: For program point L7528(line 7528) no Hoare annotation was computed. [2023-11-19 04:52:11,205 INFO L899 garLoopResultBuilder]: For program point L7363(line 7363) no Hoare annotation was computed. [2023-11-19 04:52:11,205 INFO L899 garLoopResultBuilder]: For program point L7264-1(lines 7264 7265) no Hoare annotation was computed. [2023-11-19 04:52:11,205 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)) [2023-11-19 04:52:11,205 INFO L899 garLoopResultBuilder]: For program point L6703-1(line 6703) no Hoare annotation was computed. [2023-11-19 04:52:11,206 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)) [2023-11-19 04:52:11,206 INFO L899 garLoopResultBuilder]: For program point L7430(lines 7430 7433) no Hoare annotation was computed. [2023-11-19 04:52:11,206 INFO L899 garLoopResultBuilder]: For program point L7529(lines 7529 7534) no Hoare annotation was computed. [2023-11-19 04:52:11,206 INFO L899 garLoopResultBuilder]: For program point L7331-1(line 7331) no Hoare annotation was computed. [2023-11-19 04:52:11,206 INFO L899 garLoopResultBuilder]: For program point L7364-1(line 7364) no Hoare annotation was computed. [2023-11-19 04:52:11,206 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)) [2023-11-19 04:52:11,207 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)) [2023-11-19 04:52:11,207 INFO L899 garLoopResultBuilder]: For program point L7298-4(lines 7298 7301) no Hoare annotation was computed. [2023-11-19 04:52:11,207 INFO L899 garLoopResultBuilder]: For program point L7298-6(lines 7298 7301) no Hoare annotation was computed. [2023-11-19 04:52:11,207 INFO L899 garLoopResultBuilder]: For program point L7299-1(line 7299) no Hoare annotation was computed. [2023-11-19 04:52:11,207 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)) [2023-11-19 04:52:11,208 INFO L899 garLoopResultBuilder]: For program point L7332(lines 7332 7336) no Hoare annotation was computed. [2023-11-19 04:52:11,208 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)) [2023-11-19 04:52:11,208 INFO L899 garLoopResultBuilder]: For program point L7366(line 7366) no Hoare annotation was computed. [2023-11-19 04:52:11,208 INFO L899 garLoopResultBuilder]: For program point $Ultimate##100(lines 7325 7329) no Hoare annotation was computed. [2023-11-19 04:52:11,208 INFO L899 garLoopResultBuilder]: For program point L7333-1(line 7333) no Hoare annotation was computed. [2023-11-19 04:52:11,208 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)) [2023-11-19 04:52:11,209 INFO L899 garLoopResultBuilder]: For program point L7367-1(line 7367) no Hoare annotation was computed. [2023-11-19 04:52:11,209 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)) [2023-11-19 04:52:11,209 INFO L899 garLoopResultBuilder]: For program point $Ultimate##113(lines 7343 7347) no Hoare annotation was computed. [2023-11-19 04:52:11,209 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)) [2023-11-19 04:52:11,209 INFO L899 garLoopResultBuilder]: For program point L7401(lines 7401 7405) no Hoare annotation was computed. [2023-11-19 04:52:11,210 INFO L899 garLoopResultBuilder]: For program point L7434-1(line 7434) no Hoare annotation was computed. [2023-11-19 04:52:11,210 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7675 7680) the Hoare annotation is: true [2023-11-19 04:52:11,210 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7675 7680) no Hoare annotation was computed. [2023-11-19 04:52:11,212 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 04:52:11,214 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:52:11,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_mutex_of_device~0 [2023-11-19 04:52:11,227 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_lock~0 [2023-11-19 04:52:11,227 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2023-11-19 04:52:11,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:52:11 BoogieIcfgContainer [2023-11-19 04:52:11,228 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:52:11,229 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:52:11,229 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:52:11,229 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:52:11,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:56" (3/4) ... [2023-11-19 04:52:11,232 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:52:11,235 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2023-11-19 04:52:11,235 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2023-11-19 04:52:11,235 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2023-11-19 04:52:11,236 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-11-19 04:52:11,236 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2023-11-19 04:52:11,236 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2023-11-19 04:52:11,236 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2023-11-19 04:52:11,236 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2023-11-19 04:52:11,236 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-11-19 04:52:11,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2023-11-19 04:52:11,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2023-11-19 04:52:11,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2023-11-19 04:52:11,258 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 190 nodes and edges [2023-11-19 04:52:11,261 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2023-11-19 04:52:11,264 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-19 04:52:11,266 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 04:52:11,269 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 04:52:11,272 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:52:11,274 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:52:11,545 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:52:11,546 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:52:11,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:52:11,547 INFO L158 Benchmark]: Toolchain (without parser) took 21428.70ms. Allocated memory was 125.8MB in the beginning and 283.1MB in the end (delta: 157.3MB). Free memory was 71.6MB in the beginning and 118.3MB in the end (delta: -46.7MB). Peak memory consumption was 112.4MB. Max. memory is 16.1GB. [2023-11-19 04:52:11,547 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:52:11,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2561.37ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 71.6MB in the beginning and 86.9MB in the end (delta: -15.3MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2023-11-19 04:52:11,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 229.13ms. Allocated memory is still 165.7MB. Free memory was 86.9MB in the beginning and 77.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:52:11,554 INFO L158 Benchmark]: Boogie Preprocessor took 162.80ms. Allocated memory is still 165.7MB. Free memory was 77.3MB in the beginning and 68.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:52:11,555 INFO L158 Benchmark]: RCFGBuilder took 3425.53ms. Allocated memory was 165.7MB in the beginning and 234.9MB in the end (delta: 69.2MB). Free memory was 68.9MB in the beginning and 88.3MB in the end (delta: -19.4MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2023-11-19 04:52:11,555 INFO L158 Benchmark]: TraceAbstraction took 14723.78ms. Allocated memory was 234.9MB in the beginning and 283.1MB in the end (delta: 48.2MB). Free memory was 87.2MB in the beginning and 142.5MB in the end (delta: -55.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:52:11,556 INFO L158 Benchmark]: Witness Printer took 317.65ms. Allocated memory is still 283.1MB. Free memory was 142.5MB in the beginning and 118.3MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 04:52:11,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2561.37ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 71.6MB in the beginning and 86.9MB in the end (delta: -15.3MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 229.13ms. Allocated memory is still 165.7MB. Free memory was 86.9MB in the beginning and 77.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.80ms. Allocated memory is still 165.7MB. Free memory was 77.3MB in the beginning and 68.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3425.53ms. Allocated memory was 165.7MB in the beginning and 234.9MB in the end (delta: 69.2MB). Free memory was 68.9MB in the beginning and 88.3MB in the end (delta: -19.4MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * TraceAbstraction took 14723.78ms. Allocated memory was 234.9MB in the beginning and 283.1MB in the end (delta: 48.2MB). Free memory was 87.2MB in the beginning and 142.5MB in the end (delta: -55.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 317.65ms. Allocated memory is still 283.1MB. Free memory was 142.5MB in the beginning and 118.3MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. 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: 14.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 762 SdHoareTripleChecker+Valid, 11.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 762 mSDsluCounter, 791 SdHoareTripleChecker+Invalid, 11.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 159 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 237 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 632 mSDtfsCounter, 237 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 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, 0.8s 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! [2023-11-19 04:52:11,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178857c1-c2f0-4ab9-a849-2056d64cc588/bin/utaipan-verify-t7M7D8N6sZ/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