./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire --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 6150b3a515973ce4119efed812e463608b94129eea9915abf4784f091ce6f187 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:31,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:31,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:18:31,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:31,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:31,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:31,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:31,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:31,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:31,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:31,886 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:31,886 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:31,887 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:31,888 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:31,890 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:31,891 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:31,893 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:31,896 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:31,897 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:31,897 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:31,899 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:31,900 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:31,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:31,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:31,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:31,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:31,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:31,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:31,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:31,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:31,904 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:31,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:31,905 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:31,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:31,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:31,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:31,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:31,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:31,907 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:31,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:31,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:31,907 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:31,908 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:31,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:31,908 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_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6150b3a515973ce4119efed812e463608b94129eea9915abf4784f091ce6f187 [2023-11-23 21:18:32,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:32,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:32,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:32,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:32,229 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:32,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 21:18:35,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:36,027 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:36,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 21:18:36,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/data/a63d0d8a3/b44ae2bd2b354c85becf0f36b5504036/FLAG96bb4e2be [2023-11-23 21:18:36,095 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/data/a63d0d8a3/b44ae2bd2b354c85becf0f36b5504036 [2023-11-23 21:18:36,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:36,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:36,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:36,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:36,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:36,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:36" (1/1) ... [2023-11-23 21:18:36,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbdbaa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:36, skipping insertion in model container [2023-11-23 21:18:36,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:36" (1/1) ... [2023-11-23 21:18:36,307 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:38,265 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_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[238462,238475] [2023-11-23 21:18:38,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:38,359 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:38,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [4032] [2023-11-23 21:18:38,846 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_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[238462,238475] [2023-11-23 21:18:38,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:38,971 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:18:38,979 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:38,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38 WrapperNode [2023-11-23 21:18:38,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:38,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:38,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:38,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:38,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:39,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:39,337 INFO L138 Inliner]: procedures = 258, calls = 1853, calls flagged for inlining = 104, calls inlined = 100, statements flattened = 5311 [2023-11-23 21:18:39,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:39,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:39,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:39,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:39,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:39,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:39,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:39,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:39,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:39,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:39,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:39,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:39,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:39,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:39,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:39,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:39,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:39,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:39,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:39,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:39,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c903bf4b-1fdb-47d4-ab5e-2a92428b7045/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:18:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:18:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2023-11-23 21:18:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2023-11-23 21:18:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:18:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:18:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:18:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:18:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:18:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:18:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2023-11-23 21:18:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2023-11-23 21:18:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2023-11-23 21:18:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2023-11-23 21:18:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2023-11-23 21:18:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2023-11-23 21:18:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-23 21:18:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-23 21:18:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-23 21:18:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-23 21:18:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:18:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:18:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-23 21:18:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-23 21:18:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-23 21:18:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-23 21:18:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2023-11-23 21:18:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2023-11-23 21:18:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_50 [2023-11-23 21:18:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_50 [2023-11-23 21:18:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:18:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:18:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:18:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:18:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:18:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:18:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:18:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:18:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2023-11-23 21:18:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2023-11-23 21:18:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 21:18:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 21:18:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2023-11-23 21:18:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2023-11-23 21:18:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:18:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:18:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2023-11-23 21:18:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2023-11-23 21:18:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2023-11-23 21:18:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2023-11-23 21:18:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2023-11-23 21:18:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2023-11-23 21:18:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:18:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2023-11-23 21:18:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2023-11-23 21:18:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:18:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:18:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-11-23 21:18:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-11-23 21:18:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:18:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2023-11-23 21:18:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2023-11-23 21:18:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:18:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:18:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2023-11-23 21:18:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2023-11-23 21:18:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2023-11-23 21:18:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2023-11-23 21:18:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2023-11-23 21:18:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2023-11-23 21:18:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2023-11-23 21:18:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2023-11-23 21:18:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:18:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:18:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:18:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:18:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:18:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:18:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-23 21:18:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-23 21:18:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:18:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:18:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2023-11-23 21:18:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2023-11-23 21:18:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:18:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:18:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:18:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:18:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2023-11-23 21:18:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2023-11-23 21:18:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-23 21:18:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-23 21:18:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2023-11-23 21:18:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2023-11-23 21:18:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2023-11-23 21:18:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2023-11-23 21:18:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-23 21:18:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-23 21:18:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:18:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2023-11-23 21:18:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2023-11-23 21:18:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:18:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:18:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:18:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-11-23 21:18:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-11-23 21:18:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2023-11-23 21:18:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2023-11-23 21:18:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-23 21:18:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-23 21:18:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-23 21:18:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-23 21:18:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:18:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-23 21:18:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-23 21:18:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:18:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:18:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 21:18:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 21:18:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2023-11-23 21:18:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2023-11-23 21:18:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 21:18:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 21:18:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:18:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:18:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-23 21:18:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-23 21:18:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:18:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2023-11-23 21:18:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2023-11-23 21:18:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-11-23 21:18:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-11-23 21:18:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2023-11-23 21:18:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2023-11-23 21:18:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:18:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:18:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2023-11-23 21:18:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2023-11-23 21:18:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:18:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:18:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:18:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2023-11-23 21:18:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2023-11-23 21:18:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-11-23 21:18:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-11-23 21:18:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:18:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:18:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-23 21:18:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-23 21:18:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-11-23 21:18:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-11-23 21:18:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2023-11-23 21:18:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2023-11-23 21:18:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_9 [2023-11-23 21:18:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_9 [2023-11-23 21:18:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:18:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:18:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:18:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2023-11-23 21:18:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2023-11-23 21:18:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:18:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:18:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-11-23 21:18:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-11-23 21:18:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2023-11-23 21:18:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2023-11-23 21:18:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2023-11-23 21:18:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2023-11-23 21:18:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-23 21:18:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-23 21:18:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:18:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:18:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2023-11-23 21:18:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2023-11-23 21:18:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2023-11-23 21:18:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2023-11-23 21:18:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2023-11-23 21:18:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2023-11-23 21:18:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2023-11-23 21:18:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2023-11-23 21:18:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:18:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:18:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 21:18:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 21:18:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2023-11-23 21:18:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2023-11-23 21:18:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-11-23 21:18:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-11-23 21:18:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 21:18:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 21:18:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-23 21:18:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_47 [2023-11-23 21:18:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_47 [2023-11-23 21:18:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-23 21:18:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-23 21:18:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:18:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:18:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2023-11-23 21:18:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2023-11-23 21:18:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2023-11-23 21:18:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2023-11-23 21:18:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-23 21:18:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-23 21:18:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2023-11-23 21:18:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2023-11-23 21:18:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2023-11-23 21:18:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2023-11-23 21:18:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 21:18:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:40,573 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:40,580 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:42,474 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:18:46,336 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:50,050 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:50,050 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:18:50,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:50 BoogieIcfgContainer [2023-11-23 21:18:50,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:50,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:50,056 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:50,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:50,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:36" (1/3) ... [2023-11-23 21:18:50,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d148c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:50, skipping insertion in model container [2023-11-23 21:18:50,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (2/3) ... [2023-11-23 21:18:50,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d148c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:50, skipping insertion in model container [2023-11-23 21:18:50,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:50" (3/3) ... [2023-11-23 21:18:50,063 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 21:18:50,086 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:50,086 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:50,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:50,189 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;@7854dadc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:50,189 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:50,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 1314 states, 802 states have (on average 1.380299251870324) internal successors, (1107), 867 states have internal predecessors, (1107), 414 states have call successors, (414), 97 states have call predecessors, (414), 96 states have return successors, (405), 379 states have call predecessors, (405), 405 states have call successors, (405) [2023-11-23 21:18:50,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-23 21:18:50,239 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:50,240 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:50,240 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:50,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:50,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1312942549, now seen corresponding path program 1 times [2023-11-23 21:18:50,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:50,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770275587] [2023-11-23 21:18:50,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:50,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-23 21:18:51,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:51,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770275587] [2023-11-23 21:18:51,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770275587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:51,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:51,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:18:51,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592384563] [2023-11-23 21:18:51,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:51,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:51,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:51,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:51,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:51,658 INFO L87 Difference]: Start difference. First operand has 1314 states, 802 states have (on average 1.380299251870324) internal successors, (1107), 867 states have internal predecessors, (1107), 414 states have call successors, (414), 97 states have call predecessors, (414), 96 states have return successors, (405), 379 states have call predecessors, (405), 405 states have call successors, (405) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:18:54,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:18:55,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:57,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:59,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:02,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:19:04,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:19:05,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:05,497 INFO L93 Difference]: Finished difference Result 2443 states and 3619 transitions. [2023-11-23 21:19:05,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:05,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 106 [2023-11-23 21:19:05,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:05,574 INFO L225 Difference]: With dead ends: 2443 [2023-11-23 21:19:05,574 INFO L226 Difference]: Without dead ends: 2405 [2023-11-23 21:19:05,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:05,589 INFO L413 NwaCegarLoop]: 1728 mSDtfsCounter, 1618 mSDsluCounter, 1733 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 3461 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:05,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 3461 Invalid, 384 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 13.5s Time] [2023-11-23 21:19:05,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states. [2023-11-23 21:19:05,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 2394. [2023-11-23 21:19:05,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2394 states, 1479 states have (on average 1.3772819472616633) internal successors, (2037), 1586 states have internal predecessors, (2037), 736 states have call successors, (736), 181 states have call predecessors, (736), 178 states have return successors, (758), 673 states have call predecessors, (758), 731 states have call successors, (758) [2023-11-23 21:19:05,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 3531 transitions. [2023-11-23 21:19:05,893 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 3531 transitions. Word has length 106 [2023-11-23 21:19:05,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:05,897 INFO L495 AbstractCegarLoop]: Abstraction has 2394 states and 3531 transitions. [2023-11-23 21:19:05,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:19:05,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 3531 transitions. [2023-11-23 21:19:05,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 21:19:05,917 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:05,918 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:05,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:19:05,918 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:05,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:05,919 INFO L85 PathProgramCache]: Analyzing trace with hash -2047101513, now seen corresponding path program 1 times [2023-11-23 21:19:05,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:05,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695192168] [2023-11-23 21:19:05,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:05,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:06,712 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-23 21:19:06,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:06,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695192168] [2023-11-23 21:19:06,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695192168] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:06,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:06,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:19:06,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162684085] [2023-11-23 21:19:06,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:06,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:06,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:06,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:06,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:06,717 INFO L87 Difference]: Start difference. First operand 2394 states and 3531 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:19:09,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:19:11,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:13,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:19:15,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:19:18,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:20,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:22,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:22,111 INFO L93 Difference]: Finished difference Result 4855 states and 7114 transitions. [2023-11-23 21:19:22,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:22,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2023-11-23 21:19:22,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:22,149 INFO L225 Difference]: With dead ends: 4855 [2023-11-23 21:19:22,150 INFO L226 Difference]: Without dead ends: 3543 [2023-11-23 21:19:22,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:22,168 INFO L413 NwaCegarLoop]: 1719 mSDtfsCounter, 1640 mSDsluCounter, 1691 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 3410 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:22,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1640 Valid, 3410 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 371 Invalid, 4 Unknown, 0 Unchecked, 15.1s Time] [2023-11-23 21:19:22,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3543 states. [2023-11-23 21:19:22,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3543 to 3533. [2023-11-23 21:19:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3533 states, 2187 states have (on average 1.3781435756744398) internal successors, (3014), 2344 states have internal predecessors, (3014), 1078 states have call successors, (1078), 271 states have call predecessors, (1078), 267 states have return successors, (1100), 987 states have call predecessors, (1100), 1073 states have call successors, (1100) [2023-11-23 21:19:22,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3533 states and 5192 transitions. [2023-11-23 21:19:22,460 INFO L78 Accepts]: Start accepts. Automaton has 3533 states and 5192 transitions. Word has length 107 [2023-11-23 21:19:22,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:22,461 INFO L495 AbstractCegarLoop]: Abstraction has 3533 states and 5192 transitions. [2023-11-23 21:19:22,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:19:22,462 INFO L276 IsEmpty]: Start isEmpty. Operand 3533 states and 5192 transitions. [2023-11-23 21:19:22,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-23 21:19:22,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:22,472 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:22,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:19:22,475 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:22,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:22,475 INFO L85 PathProgramCache]: Analyzing trace with hash 963779246, now seen corresponding path program 1 times [2023-11-23 21:19:22,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:22,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37534694] [2023-11-23 21:19:22,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:22,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-23 21:19:22,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:22,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37534694] [2023-11-23 21:19:22,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37534694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:22,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:22,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:19:22,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660564545] [2023-11-23 21:19:22,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:22,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:22,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:22,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:22,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:22,924 INFO L87 Difference]: Start difference. First operand 3533 states and 5192 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)