./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/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_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5 --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-527bcce [2023-11-21 19:54:34,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:54:34,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-21 19:54:34,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:54:34,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:54:34,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:54:34,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:54:34,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:54:34,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:54:34,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:54:34,225 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:54:34,226 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:54:34,226 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:54:34,227 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:54:34,227 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:54:34,228 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:54:34,228 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:54:34,229 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:54:34,229 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:54:34,230 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:54:34,230 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:54:34,233 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:54:34,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:54:34,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:54:34,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:54:34,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:54:34,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:54:34,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:54:34,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:54:34,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:54:34,238 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:54:34,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:54:34,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:54:34,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:54:34,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:54:34,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:54:34,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:54:34,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:54:34,241 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:54:34,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:54:34,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:54:34,242 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:54:34,242 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:54:34,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:54:34,242 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_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2023-11-21 19:54:34,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:54:34,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:54:34,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:54:34,597 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:54:34,597 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:54:34,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2023-11-21 19:54:37,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:54:38,239 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:54:38,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2023-11-21 19:54:38,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/data/19ad7e91f/13d29700eca44991978b44244024d5f9/FLAG38d15f280 [2023-11-21 19:54:38,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/data/19ad7e91f/13d29700eca44991978b44244024d5f9 [2023-11-21 19:54:38,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:54:38,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:54:38,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:54:38,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:54:38,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:54:38,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:54:38" (1/1) ... [2023-11-21 19:54:38,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456dd313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:38, skipping insertion in model container [2023-11-21 19:54:38,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:54:38" (1/1) ... [2023-11-21 19:54:38,461 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:54:39,788 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_8a8f6424-d2bc-4447-bfca-b64cea51719c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2023-11-21 19:54:39,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:54:39,929 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:54:40,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [6558-6559] [2023-11-21 19:54:40,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6564-6566] [2023-11-21 19:54:40,384 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_8a8f6424-d2bc-4447-bfca-b64cea51719c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2023-11-21 19:54:40,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:54:40,440 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:54:40,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40 WrapperNode [2023-11-21 19:54:40,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:54:40,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:54:40,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:54:40,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:54:40,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40" (1/1) ... [2023-11-21 19:54:40,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40" (1/1) ... [2023-11-21 19:54:40,634 INFO L138 Inliner]: procedures = 127, calls = 1010, calls flagged for inlining = 54, calls inlined = 42, statements flattened = 975 [2023-11-21 19:54:40,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:54:40,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:54:40,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:54:40,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:54:40,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40" (1/1) ... [2023-11-21 19:54:40,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40" (1/1) ... [2023-11-21 19:54:40,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40" (1/1) ... [2023-11-21 19:54:40,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40" (1/1) ... [2023-11-21 19:54:40,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40" (1/1) ... [2023-11-21 19:54:40,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40" (1/1) ... [2023-11-21 19:54:40,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40" (1/1) ... [2023-11-21 19:54:40,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40" (1/1) ... [2023-11-21 19:54:40,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:54:40,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:54:40,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:54:40,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:54:40,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40" (1/1) ... [2023-11-21 19:54:40,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:54:40,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:54:40,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:54:40,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:54:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 19:54:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 19:54:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2023-11-21 19:54:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2023-11-21 19:54:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-21 19:54:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-21 19:54:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:54:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-21 19:54:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-21 19:54:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 19:54:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 19:54:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2023-11-21 19:54:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2023-11-21 19:54:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:54:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 19:54:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 19:54:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 19:54:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 19:54:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2023-11-21 19:54:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2023-11-21 19:54:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 19:54:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:54:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 19:54:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 19:54:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2023-11-21 19:54:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2023-11-21 19:54:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 19:54:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 19:54:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 19:54:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-21 19:54:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-21 19:54:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:54:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:54:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:54:41,421 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:54:41,423 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:54:43,085 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:54:43,593 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:54:43,593 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:54:43,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:54:43 BoogieIcfgContainer [2023-11-21 19:54:43,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:54:43,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:54:43,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:54:43,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:54:43,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:54:38" (1/3) ... [2023-11-21 19:54:43,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ac47b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:54:43, skipping insertion in model container [2023-11-21 19:54:43,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:54:40" (2/3) ... [2023-11-21 19:54:43,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ac47b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:54:43, skipping insertion in model container [2023-11-21 19:54:43,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:54:43" (3/3) ... [2023-11-21 19:54:43,604 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2023-11-21 19:54:43,623 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:54:43,624 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:54:43,676 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:54:43,683 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;@5e5bd599, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:54:43,683 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:54:43,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 100 states have (on average 1.41) internal successors, (141), 106 states have internal predecessors, (141), 37 states have call successors, (37), 12 states have call predecessors, (37), 12 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-21 19:54:43,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 19:54:43,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:54:43,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:54:43,697 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:54:43,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:54:43,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1538044678, now seen corresponding path program 1 times [2023-11-21 19:54:43,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:54:43,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825451544] [2023-11-21 19:54:43,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:54:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:54:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:54:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:54:44,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:54:44,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825451544] [2023-11-21 19:54:44,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825451544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:54:44,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:54:44,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:54:44,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303281816] [2023-11-21 19:54:44,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:54:44,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:54:44,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:54:44,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:54:44,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:54:44,446 INFO L87 Difference]: Start difference. First operand has 151 states, 100 states have (on average 1.41) internal successors, (141), 106 states have internal predecessors, (141), 37 states have call successors, (37), 12 states have call predecessors, (37), 12 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:54:46,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:54:48,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:54:50,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:54:50,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:54:50,981 INFO L93 Difference]: Finished difference Result 437 states and 625 transitions. [2023-11-21 19:54:50,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:54:50,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-21 19:54:50,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:54:50,996 INFO L225 Difference]: With dead ends: 437 [2023-11-21 19:54:50,996 INFO L226 Difference]: Without dead ends: 283 [2023-11-21 19:54:51,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:54:51,004 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 187 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-21 19:54:51,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 323 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 3 Unknown, 0 Unchecked, 6.4s Time] [2023-11-21 19:54:51,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-11-21 19:54:51,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2023-11-21 19:54:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 189 states have (on average 1.3703703703703705) internal successors, (259), 195 states have internal predecessors, (259), 71 states have call successors, (71), 23 states have call predecessors, (71), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-21 19:54:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 398 transitions. [2023-11-21 19:54:51,087 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 398 transitions. Word has length 11 [2023-11-21 19:54:51,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:54:51,088 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 398 transitions. [2023-11-21 19:54:51,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:54:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 398 transitions. [2023-11-21 19:54:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 19:54:51,090 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:54:51,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:54:51,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:54:51,091 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:54:51,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:54:51,092 INFO L85 PathProgramCache]: Analyzing trace with hash -825436796, now seen corresponding path program 1 times [2023-11-21 19:54:51,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:54:51,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962821827] [2023-11-21 19:54:51,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:54:51,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:54:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:54:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:54:51,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:54:51,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962821827] [2023-11-21 19:54:51,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962821827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:54:51,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:54:51,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:54:51,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142090705] [2023-11-21 19:54:51,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:54:51,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:54:51,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:54:51,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:54:51,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:54:51,243 INFO L87 Difference]: Start difference. First operand 283 states and 398 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:54:53,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:54:53,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:54:53,430 INFO L93 Difference]: Finished difference Result 285 states and 399 transitions. [2023-11-21 19:54:53,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:54:53,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-21 19:54:53,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:54:53,434 INFO L225 Difference]: With dead ends: 285 [2023-11-21 19:54:53,435 INFO L226 Difference]: Without dead ends: 282 [2023-11-21 19:54:53,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:54:53,437 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 195 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-21 19:54:53,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 158 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-21 19:54:53,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-21 19:54:53,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2023-11-21 19:54:53,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 189 states have (on average 1.3650793650793651) internal successors, (258), 194 states have internal predecessors, (258), 70 states have call successors, (70), 23 states have call predecessors, (70), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-21 19:54:53,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 396 transitions. [2023-11-21 19:54:53,500 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 396 transitions. Word has length 13 [2023-11-21 19:54:53,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:54:53,501 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 396 transitions. [2023-11-21 19:54:53,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:54:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 396 transitions. [2023-11-21 19:54:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 19:54:53,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:54:53,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:54:53,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 19:54:53,509 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:54:53,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:54:53,511 INFO L85 PathProgramCache]: Analyzing trace with hash 181140154, now seen corresponding path program 1 times [2023-11-21 19:54:53,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:54:53,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898856460] [2023-11-21 19:54:53,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:54:53,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:54:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:54:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:54:53,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:54:53,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898856460] [2023-11-21 19:54:53,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898856460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:54:53,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:54:53,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:54:53,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106039613] [2023-11-21 19:54:53,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:54:53,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:54:53,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:54:53,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:54:53,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:54:53,742 INFO L87 Difference]: Start difference. First operand 282 states and 396 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:54:54,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:54:54,534 INFO L93 Difference]: Finished difference Result 284 states and 397 transitions. [2023-11-21 19:54:54,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:54:54,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-21 19:54:54,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:54:54,537 INFO L225 Difference]: With dead ends: 284 [2023-11-21 19:54:54,538 INFO L226 Difference]: Without dead ends: 281 [2023-11-21 19:54:54,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:54:54,539 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 192 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-21 19:54:54,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 156 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-21 19:54:54,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-21 19:54:54,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2023-11-21 19:54:54,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 189 states have (on average 1.3597883597883598) internal successors, (257), 193 states have internal predecessors, (257), 69 states have call successors, (69), 23 states have call predecessors, (69), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-21 19:54:54,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2023-11-21 19:54:54,569 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 14 [2023-11-21 19:54:54,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:54:54,570 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2023-11-21 19:54:54,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:54:54,570 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2023-11-21 19:54:54,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 19:54:54,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:54:54,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:54:54,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 19:54:54,572 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:54:54,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:54:54,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1320259399, now seen corresponding path program 1 times [2023-11-21 19:54:54,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:54:54,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881264441] [2023-11-21 19:54:54,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:54:54,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:54:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:54:54,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:54:54,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:54:54,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881264441] [2023-11-21 19:54:54,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881264441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:54:54,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:54:54,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:54:54,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835148119] [2023-11-21 19:54:54,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:54:54,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:54:54,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:54:54,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:54:54,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:54:54,686 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:54:55,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:54:55,889 INFO L93 Difference]: Finished difference Result 281 states and 394 transitions. [2023-11-21 19:54:55,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:54:55,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-21 19:54:55,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:54:55,890 INFO L225 Difference]: With dead ends: 281 [2023-11-21 19:54:55,890 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 19:54:55,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:54:55,893 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-21 19:54:55,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 154 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-21 19:54:55,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 19:54:55,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 19:54:55,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:54:55,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 19:54:55,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2023-11-21 19:54:55,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:54:55,896 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 19:54:55,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:54:55,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 19:54:55,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 19:54:55,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:54:55,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 19:54:55,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 19:54:56,751 INFO L899 garLoopResultBuilder]: For program point L6653-1(lines 6653 6654) no Hoare annotation was computed. [2023-11-21 19:54:56,752 INFO L902 garLoopResultBuilder]: At program point L6653(lines 6653 6654) the Hoare annotation is: true [2023-11-21 19:54:56,752 INFO L899 garLoopResultBuilder]: For program point get_dma_opsEXIT(lines 6650 6661) no Hoare annotation was computed. [2023-11-21 19:54:56,752 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6650 6661) the Hoare annotation is: true [2023-11-21 19:54:56,752 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8049 8051) the Hoare annotation is: true [2023-11-21 19:54:56,752 INFO L899 garLoopResultBuilder]: For program point flexcop_device_kfreeEXIT(lines 8049 8051) no Hoare annotation was computed. [2023-11-21 19:54:56,752 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6608 6614) the Hoare annotation is: true [2023-11-21 19:54:56,753 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6608 6614) no Hoare annotation was computed. [2023-11-21 19:54:56,753 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8079 8081) the Hoare annotation is: true [2023-11-21 19:54:56,753 INFO L899 garLoopResultBuilder]: For program point printkEXIT(lines 8079 8081) no Hoare annotation was computed. [2023-11-21 19:54:56,753 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8042 8044) the Hoare annotation is: true [2023-11-21 19:54:56,753 INFO L899 garLoopResultBuilder]: For program point flexcop_device_exitEXIT(lines 8042 8044) no Hoare annotation was computed. [2023-11-21 19:54:56,753 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8107 8109) no Hoare annotation was computed. [2023-11-21 19:54:56,753 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8107 8109) the Hoare annotation is: true [2023-11-21 19:54:56,753 INFO L899 garLoopResultBuilder]: For program point L6741-1(line 6741) no Hoare annotation was computed. [2023-11-21 19:54:56,754 INFO L902 garLoopResultBuilder]: At program point L6741(line 6741) the Hoare annotation is: true [2023-11-21 19:54:56,754 INFO L899 garLoopResultBuilder]: For program point L6560(lines 6557 6562) no Hoare annotation was computed. [2023-11-21 19:54:56,754 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitEXIT(lines 7217 7247) no Hoare annotation was computed. [2023-11-21 19:54:56,754 INFO L902 garLoopResultBuilder]: At program point L6742-2(lines 6742 6746) the Hoare annotation is: true [2023-11-21 19:54:56,754 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7217 7247) the Hoare annotation is: true [2023-11-21 19:54:56,754 INFO L899 garLoopResultBuilder]: For program point $Ultimate##14(lines 7234 7238) no Hoare annotation was computed. [2023-11-21 19:54:56,754 INFO L899 garLoopResultBuilder]: For program point L7223(lines 7223 7231) no Hoare annotation was computed. [2023-11-21 19:54:56,754 INFO L899 garLoopResultBuilder]: For program point L7223-2(lines 7223 7231) no Hoare annotation was computed. [2023-11-21 19:54:56,755 INFO L899 garLoopResultBuilder]: For program point L6736-1(line 6736) no Hoare annotation was computed. [2023-11-21 19:54:56,755 INFO L902 garLoopResultBuilder]: At program point L6736(line 6736) the Hoare annotation is: true [2023-11-21 19:54:56,755 INFO L899 garLoopResultBuilder]: For program point L7240-2(lines 7217 7247) no Hoare annotation was computed. [2023-11-21 19:54:56,755 INFO L899 garLoopResultBuilder]: For program point L7240(lines 7240 7244) no Hoare annotation was computed. [2023-11-21 19:54:56,755 INFO L899 garLoopResultBuilder]: For program point L6555-1(lines 6555 6556) no Hoare annotation was computed. [2023-11-21 19:54:56,755 INFO L902 garLoopResultBuilder]: At program point L6555(lines 6555 6556) the Hoare annotation is: true [2023-11-21 19:54:56,755 INFO L899 garLoopResultBuilder]: For program point L7224-6(lines 7224 7227) no Hoare annotation was computed. [2023-11-21 19:54:56,755 INFO L899 garLoopResultBuilder]: For program point L7224-4(lines 7224 7227) no Hoare annotation was computed. [2023-11-21 19:54:56,755 INFO L899 garLoopResultBuilder]: For program point L7225-1(line 7225) no Hoare annotation was computed. [2023-11-21 19:54:56,756 INFO L902 garLoopResultBuilder]: At program point L7225(line 7225) the Hoare annotation is: true [2023-11-21 19:54:56,756 INFO L899 garLoopResultBuilder]: For program point L6747(line 6747) no Hoare annotation was computed. [2023-11-21 19:54:56,757 INFO L899 garLoopResultBuilder]: For program point L6557(lines 6557 6563) no Hoare annotation was computed. [2023-11-21 19:54:56,757 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6634 6639) the Hoare annotation is: true [2023-11-21 19:54:56,757 INFO L899 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6634 6639) no Hoare annotation was computed. [2023-11-21 19:54:56,757 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8030 8034) the Hoare annotation is: true [2023-11-21 19:54:56,757 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 8030 8034) no Hoare annotation was computed. [2023-11-21 19:54:56,758 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 7668 7673) the Hoare annotation is: true [2023-11-21 19:54:56,758 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7671) no Hoare annotation was computed. [2023-11-21 19:54:56,758 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7668 7673) no Hoare annotation was computed. [2023-11-21 19:54:56,758 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_exitEXIT(lines 7382 7388) no Hoare annotation was computed. [2023-11-21 19:54:56,759 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7382 7388) the Hoare annotation is: true [2023-11-21 19:54:56,759 INFO L899 garLoopResultBuilder]: For program point L7385-1(line 7385) no Hoare annotation was computed. [2023-11-21 19:54:56,759 INFO L902 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2023-11-21 19:54:56,759 INFO L895 garLoopResultBuilder]: At program point L7402(line 7402) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,760 INFO L899 garLoopResultBuilder]: For program point L7270(lines 7270 7273) no Hoare annotation was computed. [2023-11-21 19:54:56,760 INFO L899 garLoopResultBuilder]: For program point L7402-1(line 7402) no Hoare annotation was computed. [2023-11-21 19:54:56,760 INFO L899 garLoopResultBuilder]: For program point L7369(line 7369) no Hoare annotation was computed. [2023-11-21 19:54:56,760 INFO L895 garLoopResultBuilder]: At program point L7370(line 7370) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,760 INFO L899 garLoopResultBuilder]: For program point L7370-1(line 7370) no Hoare annotation was computed. [2023-11-21 19:54:56,761 INFO L899 garLoopResultBuilder]: For program point L7337-6(lines 7337 7340) no Hoare annotation was computed. [2023-11-21 19:54:56,761 INFO L899 garLoopResultBuilder]: For program point L7337-4(lines 7337 7340) no Hoare annotation was computed. [2023-11-21 19:54:56,761 INFO L895 garLoopResultBuilder]: At program point L7338(line 7338) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,761 INFO L895 garLoopResultBuilder]: At program point L7437(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,761 INFO L899 garLoopResultBuilder]: For program point L7305-1(line 7305) no Hoare annotation was computed. [2023-11-21 19:54:56,762 INFO L895 garLoopResultBuilder]: At program point L7305(line 7305) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,762 INFO L899 garLoopResultBuilder]: For program point L7338-1(line 7338) no Hoare annotation was computed. [2023-11-21 19:54:56,762 INFO L895 garLoopResultBuilder]: At program point L7439(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,762 INFO L899 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2023-11-21 19:54:56,762 INFO L895 garLoopResultBuilder]: At program point L7374(line 7374) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,763 INFO L899 garLoopResultBuilder]: For program point L7374-1(line 7374) no Hoare annotation was computed. [2023-11-21 19:54:56,763 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_probe_returnLabel#1(lines 7389 7444) no Hoare annotation was computed. [2023-11-21 19:54:56,763 INFO L899 garLoopResultBuilder]: For program point L7441(line 7441) no Hoare annotation was computed. [2023-11-21 19:54:56,763 INFO L899 garLoopResultBuilder]: For program point L8036-1(line 8036) no Hoare annotation was computed. [2023-11-21 19:54:56,763 INFO L895 garLoopResultBuilder]: At program point L8036(line 8036) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,764 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_transfer_init_returnLabel#1(lines 7248 7357) no Hoare annotation was computed. [2023-11-21 19:54:56,764 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_init_returnLabel#1(lines 7358 7381) no Hoare annotation was computed. [2023-11-21 19:54:56,764 INFO L899 garLoopResultBuilder]: For program point L7377(lines 7360 7380) no Hoare annotation was computed. [2023-11-21 19:54:56,764 INFO L899 garLoopResultBuilder]: For program point L7510(lines 7505 7585) no Hoare annotation was computed. [2023-11-21 19:54:56,764 INFO L899 garLoopResultBuilder]: For program point L7543(line 7543) no Hoare annotation was computed. [2023-11-21 19:54:56,765 INFO L895 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,765 INFO L899 garLoopResultBuilder]: For program point L7378-1(line 7378) no Hoare annotation was computed. [2023-11-21 19:54:56,765 INFO L899 garLoopResultBuilder]: For program point L7544(lines 7544 7575) no Hoare annotation was computed. [2023-11-21 19:54:56,795 INFO L895 garLoopResultBuilder]: At program point flexcop_usb_transfer_init_urb_error#1(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,795 INFO L899 garLoopResultBuilder]: For program point L7280(lines 7280 7284) no Hoare annotation was computed. [2023-11-21 19:54:56,795 INFO L899 garLoopResultBuilder]: For program point L8007(lines 8007 8010) no Hoare annotation was computed. [2023-11-21 19:54:56,796 INFO L899 garLoopResultBuilder]: For program point main_ldv_final#1(lines 7505 7585) no Hoare annotation was computed. [2023-11-21 19:54:56,796 INFO L899 garLoopResultBuilder]: For program point L7513(line 7513) no Hoare annotation was computed. [2023-11-21 19:54:56,796 INFO L899 garLoopResultBuilder]: For program point L8009-1(lines 8006 8020) no Hoare annotation was computed. [2023-11-21 19:54:56,796 INFO L895 garLoopResultBuilder]: At program point L8009(line 8009) the Hoare annotation is: false [2023-11-21 19:54:56,796 INFO L899 garLoopResultBuilder]: For program point L7514(lines 7514 7541) no Hoare annotation was computed. [2023-11-21 19:54:56,797 INFO L899 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2023-11-21 19:54:56,797 INFO L899 garLoopResultBuilder]: For program point L7316-5(lines 7316 7319) no Hoare annotation was computed. [2023-11-21 19:54:56,797 INFO L899 garLoopResultBuilder]: For program point L7316-3(lines 7316 7319) no Hoare annotation was computed. [2023-11-21 19:54:56,797 INFO L895 garLoopResultBuilder]: At program point flexcop_usb_probe_err_fc_exit#1(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,797 INFO L899 garLoopResultBuilder]: For program point L7548(lines 7548 7553) no Hoare annotation was computed. [2023-11-21 19:54:56,798 INFO L899 garLoopResultBuilder]: For program point L7317-1(line 7317) no Hoare annotation was computed. [2023-11-21 19:54:56,799 INFO L895 garLoopResultBuilder]: At program point L7317(line 7317) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,799 INFO L899 garLoopResultBuilder]: For program point L7451-1(line 7451) no Hoare annotation was computed. [2023-11-21 19:54:56,799 INFO L895 garLoopResultBuilder]: At program point L7451(line 7451) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,799 INFO L899 garLoopResultBuilder]: For program point L7517(line 7517) no Hoare annotation was computed. [2023-11-21 19:54:56,800 INFO L899 garLoopResultBuilder]: For program point L8013-1(lines 8006 8020) no Hoare annotation was computed. [2023-11-21 19:54:56,802 INFO L895 garLoopResultBuilder]: At program point L8013(line 8013) the Hoare annotation is: false [2023-11-21 19:54:56,802 INFO L899 garLoopResultBuilder]: For program point L7518(lines 7518 7526) no Hoare annotation was computed. [2023-11-21 19:54:56,802 INFO L899 garLoopResultBuilder]: For program point L7452-1(line 7452) no Hoare annotation was computed. [2023-11-21 19:54:56,802 INFO L895 garLoopResultBuilder]: At program point L7452(line 7452) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,803 INFO L899 garLoopResultBuilder]: For program point L7354(line 7354) no Hoare annotation was computed. [2023-11-21 19:54:56,803 INFO L899 garLoopResultBuilder]: For program point L7420(lines 7420 7423) no Hoare annotation was computed. [2023-11-21 19:54:56,803 INFO L899 garLoopResultBuilder]: For program point L7453-1(line 7453) no Hoare annotation was computed. [2023-11-21 19:54:56,804 INFO L895 garLoopResultBuilder]: At program point L7453(line 7453) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,804 INFO L895 garLoopResultBuilder]: At program point L7454(line 7454) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,805 INFO L899 garLoopResultBuilder]: For program point L7454-1(line 7454) no Hoare annotation was computed. [2023-11-21 19:54:56,805 INFO L899 garLoopResultBuilder]: For program point L7455-1(line 7455) no Hoare annotation was computed. [2023-11-21 19:54:56,806 INFO L895 garLoopResultBuilder]: At program point L7455(line 7455) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,806 INFO L899 garLoopResultBuilder]: For program point L8083-1(line 8083) no Hoare annotation was computed. [2023-11-21 19:54:56,806 INFO L895 garLoopResultBuilder]: At program point L8083(line 8083) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,806 INFO L899 garLoopResultBuilder]: For program point L8017-1(lines 8004 8021) no Hoare annotation was computed. [2023-11-21 19:54:56,806 INFO L895 garLoopResultBuilder]: At program point L8017(line 8017) the Hoare annotation is: false [2023-11-21 19:54:56,807 INFO L899 garLoopResultBuilder]: For program point $Ultimate##74(lines 7287 7291) no Hoare annotation was computed. [2023-11-21 19:54:56,807 INFO L899 garLoopResultBuilder]: For program point L7555(line 7555) no Hoare annotation was computed. [2023-11-21 19:54:56,807 INFO L899 garLoopResultBuilder]: For program point L7556(lines 7556 7568) no Hoare annotation was computed. [2023-11-21 19:54:56,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 19:54:56,807 INFO L899 garLoopResultBuilder]: For program point L7425(lines 7425 7428) no Hoare annotation was computed. [2023-11-21 19:54:56,808 INFO L899 garLoopResultBuilder]: For program point L8053-1(line 8053) no Hoare annotation was computed. [2023-11-21 19:54:56,808 INFO L895 garLoopResultBuilder]: At program point L8053(line 8053) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,808 INFO L899 garLoopResultBuilder]: For program point L7558-2(lines 7556 7567) no Hoare annotation was computed. [2023-11-21 19:54:56,808 INFO L899 garLoopResultBuilder]: For program point L7263-4(lines 7263 7267) no Hoare annotation was computed. [2023-11-21 19:54:56,808 INFO L899 garLoopResultBuilder]: For program point L7263-6(lines 7263 7267) no Hoare annotation was computed. [2023-11-21 19:54:56,809 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 19:54:56,809 INFO L899 garLoopResultBuilder]: For program point L7528(line 7528) no Hoare annotation was computed. [2023-11-21 19:54:56,809 INFO L899 garLoopResultBuilder]: For program point L7363(line 7363) no Hoare annotation was computed. [2023-11-21 19:54:56,809 INFO L899 garLoopResultBuilder]: For program point L7264-1(lines 7264 7265) no Hoare annotation was computed. [2023-11-21 19:54:56,811 INFO L895 garLoopResultBuilder]: At program point L7264(lines 7264 7265) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,812 INFO L899 garLoopResultBuilder]: For program point L6703-1(line 6703) no Hoare annotation was computed. [2023-11-21 19:54:56,812 INFO L895 garLoopResultBuilder]: At program point L6703(line 6703) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,812 INFO L899 garLoopResultBuilder]: For program point L7430(lines 7430 7433) no Hoare annotation was computed. [2023-11-21 19:54:56,812 INFO L899 garLoopResultBuilder]: For program point L7529(lines 7529 7534) no Hoare annotation was computed. [2023-11-21 19:54:56,812 INFO L899 garLoopResultBuilder]: For program point L7331-1(line 7331) no Hoare annotation was computed. [2023-11-21 19:54:56,813 INFO L899 garLoopResultBuilder]: For program point L7364-1(line 7364) no Hoare annotation was computed. [2023-11-21 19:54:56,813 INFO L895 garLoopResultBuilder]: At program point L7331(line 7331) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,813 INFO L895 garLoopResultBuilder]: At program point L7364(line 7364) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,813 INFO L899 garLoopResultBuilder]: For program point L7298-4(lines 7298 7301) no Hoare annotation was computed. [2023-11-21 19:54:56,814 INFO L899 garLoopResultBuilder]: For program point L7298-6(lines 7298 7301) no Hoare annotation was computed. [2023-11-21 19:54:56,814 INFO L899 garLoopResultBuilder]: For program point L7299-1(line 7299) no Hoare annotation was computed. [2023-11-21 19:54:56,814 INFO L895 garLoopResultBuilder]: At program point L7299(line 7299) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,814 INFO L899 garLoopResultBuilder]: For program point L7332(lines 7332 7336) no Hoare annotation was computed. [2023-11-21 19:54:56,814 INFO L895 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,815 INFO L899 garLoopResultBuilder]: For program point L7366(line 7366) no Hoare annotation was computed. [2023-11-21 19:54:56,815 INFO L899 garLoopResultBuilder]: For program point $Ultimate##100(lines 7325 7329) no Hoare annotation was computed. [2023-11-21 19:54:56,815 INFO L899 garLoopResultBuilder]: For program point L7333-1(line 7333) no Hoare annotation was computed. [2023-11-21 19:54:56,815 INFO L895 garLoopResultBuilder]: At program point L7333(line 7333) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,815 INFO L899 garLoopResultBuilder]: For program point L7367-1(line 7367) no Hoare annotation was computed. [2023-11-21 19:54:56,816 INFO L895 garLoopResultBuilder]: At program point L7367(line 7367) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,816 INFO L899 garLoopResultBuilder]: For program point $Ultimate##113(lines 7343 7347) no Hoare annotation was computed. [2023-11-21 19:54:56,816 INFO L895 garLoopResultBuilder]: At program point L7434(line 7434) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 19:54:56,816 INFO L899 garLoopResultBuilder]: For program point L7401(lines 7401 7405) no Hoare annotation was computed. [2023-11-21 19:54:56,816 INFO L899 garLoopResultBuilder]: For program point L7434-1(line 7434) no Hoare annotation was computed. [2023-11-21 19:54:56,817 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7675 7680) the Hoare annotation is: true [2023-11-21 19:54:56,817 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7675 7680) no Hoare annotation was computed. [2023-11-21 19:54:56,819 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-21 19:54:56,822 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:54:56,835 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_mutex_of_device~0 [2023-11-21 19:54:56,836 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_lock~0 [2023-11-21 19:54:56,836 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2023-11-21 19:54:56,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:54:56 BoogieIcfgContainer [2023-11-21 19:54:56,839 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:54:56,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:54:56,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:54:56,840 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:54:56,840 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:54:43" (3/4) ... [2023-11-21 19:54:56,843 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:54:56,848 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2023-11-21 19:54:56,848 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2023-11-21 19:54:56,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2023-11-21 19:54:56,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-11-21 19:54:56,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2023-11-21 19:54:56,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2023-11-21 19:54:56,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2023-11-21 19:54:56,850 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2023-11-21 19:54:56,850 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-11-21 19:54:56,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2023-11-21 19:54:56,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2023-11-21 19:54:56,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2023-11-21 19:54:56,875 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2023-11-21 19:54:56,878 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2023-11-21 19:54:56,881 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-21 19:54:56,883 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 19:54:56,886 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 19:54:56,889 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:54:56,892 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:54:57,188 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:54:57,189 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:54:57,189 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:54:57,190 INFO L158 Benchmark]: Toolchain (without parser) took 18863.54ms. Allocated memory was 119.5MB in the beginning and 302.0MB in the end (delta: 182.5MB). Free memory was 73.4MB in the beginning and 201.6MB in the end (delta: -128.2MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2023-11-21 19:54:57,190 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 119.5MB. Free memory was 90.3MB in the beginning and 90.2MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:54:57,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2113.52ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 73.4MB in the beginning and 84.9MB in the end (delta: -11.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2023-11-21 19:54:57,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 192.40ms. Allocated memory is still 165.7MB. Free memory was 84.9MB in the beginning and 75.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 19:54:57,191 INFO L158 Benchmark]: Boogie Preprocessor took 122.80ms. Allocated memory is still 165.7MB. Free memory was 75.3MB in the beginning and 66.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 19:54:57,192 INFO L158 Benchmark]: RCFGBuilder took 2836.29ms. Allocated memory was 165.7MB in the beginning and 251.7MB in the end (delta: 86.0MB). Free memory was 66.9MB in the beginning and 119.1MB in the end (delta: -52.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2023-11-21 19:54:57,192 INFO L158 Benchmark]: TraceAbstraction took 13241.19ms. Allocated memory was 251.7MB in the beginning and 302.0MB in the end (delta: 50.3MB). Free memory was 119.1MB in the beginning and 222.6MB in the end (delta: -103.5MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2023-11-21 19:54:57,193 INFO L158 Benchmark]: Witness Printer took 349.80ms. Allocated memory is still 302.0MB. Free memory was 222.6MB in the beginning and 201.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 19:54:57,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 119.5MB. Free memory was 90.3MB in the beginning and 90.2MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2113.52ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 73.4MB in the beginning and 84.9MB in the end (delta: -11.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 192.40ms. Allocated memory is still 165.7MB. Free memory was 84.9MB in the beginning and 75.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.80ms. Allocated memory is still 165.7MB. Free memory was 75.3MB in the beginning and 66.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2836.29ms. Allocated memory was 165.7MB in the beginning and 251.7MB in the end (delta: 86.0MB). Free memory was 66.9MB in the beginning and 119.1MB in the end (delta: -52.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13241.19ms. Allocated memory was 251.7MB in the beginning and 302.0MB in the end (delta: 50.3MB). Free memory was 119.1MB in the beginning and 222.6MB in the end (delta: -103.5MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Witness Printer took 349.80ms. Allocated memory is still 302.0MB. Free memory was 222.6MB in the beginning and 201.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 6558]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [6558-6559] - GenericResultAtLocation [Line: 6564]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6564-6566] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7671]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 762 SdHoareTripleChecker+Valid, 10.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 762 mSDsluCounter, 791 SdHoareTripleChecker+Invalid, 10.4s 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, 0.6s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 6608]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) RESULT: Ultimate proved your program to be correct! [2023-11-21 19:54:57,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8f6424-d2bc-4447-bfca-b64cea51719c/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE