./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E --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 a0406e8dccf5f59798fec77b2cbc38446a1d3a331f932787b5f2744b9c0033a1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:49:01,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:49:01,590 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-13 23:49:01,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:49:01,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:49:01,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:49:01,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:49:01,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:49:01,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:49:01,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:49:01,634 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:49:01,635 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:49:01,635 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:49:01,635 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:49:01,636 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:49:01,636 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:49:01,636 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:49:01,636 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:49:01,637 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:49:01,637 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:49:01,638 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:49:01,638 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:49:01,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:49:01,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:49:01,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:49:01,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:49:01,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:49:01,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:49:01,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:49:01,640 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:49:01,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:49:01,640 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:49:01,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:49:01,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:49:01,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:49:01,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:49:01,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:49:01,641 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:49:01,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:49:01,642 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:49:01,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:49:01,642 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:49:01,642 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:49:01,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:49:01,642 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E 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 -> a0406e8dccf5f59798fec77b2cbc38446a1d3a331f932787b5f2744b9c0033a1 [2024-11-13 23:49:02,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:49:02,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:49:02,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:49:02,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:49:02,092 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:49:02,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i Unable to find full path for "g++" [2024-11-13 23:49:04,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:49:05,638 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:49:05,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i [2024-11-13 23:49:05,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E/data/45d6053cd/64ed70d8ee6642f4811ce1b6de7e38b9/FLAGaf3f7e7dc [2024-11-13 23:49:05,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E/data/45d6053cd/64ed70d8ee6642f4811ce1b6de7e38b9 [2024-11-13 23:49:05,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:49:05,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:49:05,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:49:05,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:49:05,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:49:05,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:49:05" (1/1) ... [2024-11-13 23:49:05,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56347910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:05, skipping insertion in model container [2024-11-13 23:49:05,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:49:05" (1/1) ... [2024-11-13 23:49:05,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:49:08,803 WARN L250 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_62420773-a98f-42f3-9639-05561b9b1c50/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[336746,336759] [2024-11-13 23:49:08,808 WARN L250 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_62420773-a98f-42f3-9639-05561b9b1c50/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[336893,336906] [2024-11-13 23:49:08,809 WARN L250 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_62420773-a98f-42f3-9639-05561b9b1c50/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[337032,337045] [2024-11-13 23:49:08,809 WARN L250 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_62420773-a98f-42f3-9639-05561b9b1c50/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[337190,337203] [2024-11-13 23:49:08,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:49:08,959 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:49:09,268 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; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6743] [2024-11-13 23:49:09,786 WARN L250 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_62420773-a98f-42f3-9639-05561b9b1c50/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[336746,336759] [2024-11-13 23:49:09,787 WARN L250 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_62420773-a98f-42f3-9639-05561b9b1c50/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[336893,336906] [2024-11-13 23:49:09,788 WARN L250 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_62420773-a98f-42f3-9639-05561b9b1c50/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[337032,337045] [2024-11-13 23:49:09,793 WARN L250 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_62420773-a98f-42f3-9639-05561b9b1c50/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[337190,337203] [2024-11-13 23:49:09,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:49:09,987 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:49:09,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09 WrapperNode [2024-11-13 23:49:09,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:49:09,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:49:09,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:49:09,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:49:10,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09" (1/1) ... [2024-11-13 23:49:10,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09" (1/1) ... [2024-11-13 23:49:12,819 INFO L138 Inliner]: procedures = 318, calls = 5570, calls flagged for inlining = 191, calls inlined = 186, statements flattened = 11499 [2024-11-13 23:49:12,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:49:12,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:49:12,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:49:12,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:49:12,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09" (1/1) ... [2024-11-13 23:49:12,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09" (1/1) ... [2024-11-13 23:49:14,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09" (1/1) ... [2024-11-13 23:49:14,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09" (1/1) ... [2024-11-13 23:49:16,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09" (1/1) ... [2024-11-13 23:49:16,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09" (1/1) ... [2024-11-13 23:49:16,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09" (1/1) ... [2024-11-13 23:49:16,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09" (1/1) ... [2024-11-13 23:49:16,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:49:16,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:49:16,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:49:16,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:49:16,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09" (1/1) ... [2024-11-13 23:49:16,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:49:16,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:49:16,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:49:16,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62420773-a98f-42f3-9639-05561b9b1c50/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:49:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-13 23:49:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-13 23:49:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure list_size [2024-11-13 23:49:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure list_size [2024-11-13 23:49:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-13 23:49:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-13 23:49:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-13 23:49:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-13 23:49:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-13 23:49:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-13 23:49:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-13 23:49:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-13 23:49:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-13 23:49:16,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-13 23:49:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2024-11-13 23:49:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2024-11-13 23:49:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_free_buffers [2024-11-13 23:49:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_free_buffers [2024-11-13 23:49:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_device_release [2024-11-13 23:49:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_device_release [2024-11-13 23:49:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_set_audio [2024-11-13 23:49:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_set_audio [2024-11-13 23:49:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-13 23:49:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-13 23:49:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_config_call [2024-11-13 23:49:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_config_call [2024-11-13 23:49:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-13 23:49:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-13 23:49:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_disconnect [2024-11-13 23:49:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_disconnect [2024-11-13 23:49:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2024-11-13 23:49:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2024-11-13 23:49:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-11-13 23:49:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-11-13 23:49:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2024-11-13 23:49:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2024-11-13 23:49:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:49:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-13 23:49:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-13 23:49:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:49:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2024-11-13 23:49:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2024-11-13 23:49:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-13 23:49:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-13 23:49:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure get_video_info [2024-11-13 23:49:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure get_video_info [2024-11-13 23:49:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2024-11-13 23:49:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2024-11-13 23:49:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-13 23:49:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-13 23:49:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2024-11-13 23:49:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2024-11-13 23:49:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_get_next_buffer [2024-11-13 23:49:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_get_next_buffer [2024-11-13 23:49:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2024-11-13 23:49:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2024-11-13 23:49:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:49:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:49:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-13 23:49:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-13 23:49:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2024-11-13 23:49:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2024-11-13 23:49:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-13 23:49:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-13 23:49:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-13 23:49:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-13 23:49:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-13 23:49:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-13 23:49:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-13 23:49:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-13 23:49:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-13 23:49:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-13 23:49:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-13 23:49:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-13 23:49:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-13 23:49:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-13 23:49:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-11-13 23:49:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-11-13 23:49:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-13 23:49:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-13 23:49:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-13 23:49:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-13 23:49:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-13 23:49:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 23:49:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-13 23:49:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-13 23:49:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:49:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-13 23:49:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-13 23:49:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_set_bitrate [2024-11-13 23:49:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_set_bitrate [2024-11-13 23:49:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_i2c_write [2024-11-13 23:49:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_i2c_write [2024-11-13 23:49:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-13 23:49:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-13 23:49:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2024-11-13 23:49:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2024-11-13 23:49:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-13 23:49:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-13 23:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_free_queue [2024-11-13 23:49:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_free_queue [2024-11-13 23:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2024-11-13 23:49:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2024-11-13 23:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-13 23:49:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-13 23:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-13 23:49:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-13 23:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_delete [2024-11-13 23:49:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_delete [2024-11-13 23:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_open [2024-11-13 23:49:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_open [2024-11-13 23:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-13 23:49:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-13 23:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2024-11-13 23:49:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2024-11-13 23:49:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std_menu [2024-11-13 23:49:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std_menu [2024-11-13 23:49:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:49:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_stop_streaming [2024-11-13 23:49:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_stop_streaming [2024-11-13 23:49:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:49:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-13 23:49:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-13 23:49:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:49:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-13 23:49:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-13 23:49:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-13 23:49:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-13 23:49:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-13 23:49:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-13 23:49:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-13 23:49:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-13 23:49:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_s_ctrl [2024-11-13 23:49:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_s_ctrl [2024-11-13 23:49:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-13 23:49:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-13 23:49:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-13 23:49:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-13 23:49:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_cancel_queue [2024-11-13 23:49:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_cancel_queue [2024-11-13 23:49:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2024-11-13 23:49:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2024-11-13 23:49:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-13 23:49:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-13 23:49:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_release [2024-11-13 23:49:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_release [2024-11-13 23:49:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_try_ctrl [2024-11-13 23:49:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_try_ctrl [2024-11-13 23:49:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:49:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-13 23:49:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-13 23:49:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-13 23:49:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-13 23:49:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:49:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:49:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_start_streaming [2024-11-13 23:49:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_start_streaming [2024-11-13 23:49:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_i2c_read [2024-11-13 23:49:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_i2c_read [2024-11-13 23:49:18,448 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:49:18,450 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:49:18,690 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-13 23:50:15,117 INFO L? ?]: Removed 2551 outVars from TransFormulas that were not future-live. [2024-11-13 23:50:15,117 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:50:19,354 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:50:19,358 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:50:19,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:50:19 BoogieIcfgContainer [2024-11-13 23:50:19,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:50:19,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:50:19,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:50:19,371 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:50:19,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:49:05" (1/3) ... [2024-11-13 23:50:19,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4318d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:50:19, skipping insertion in model container [2024-11-13 23:50:19,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:09" (2/3) ... [2024-11-13 23:50:19,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4318d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:50:19, skipping insertion in model container [2024-11-13 23:50:19,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:50:19" (3/3) ... [2024-11-13 23:50:19,376 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i [2024-11-13 23:50:19,402 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:50:19,407 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i that has 73 procedures, 1220 locations, 1 initial locations, 5 loop locations, and 4 error locations. [2024-11-13 23:50:19,545 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:50:19,565 INFO L333 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, 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;@5a3c947b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:50:19,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 23:50:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 1219 states, 723 states have (on average 1.3167358229598893) internal successors, (952), 748 states have internal predecessors, (952), 420 states have call successors, (420), 72 states have call predecessors, (420), 71 states have return successors, (415), 411 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-13 23:50:19,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:50:19,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:50:19,589 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-13 23:50:19,589 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, hdpvr_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-13 23:50:19,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:50:19,594 INFO L85 PathProgramCache]: Analyzing trace with hash 743306357, now seen corresponding path program 1 times [2024-11-13 23:50:19,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:50:19,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025420969] [2024-11-13 23:50:19,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:50:19,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:54:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:54:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 23:54:26,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:54:26,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025420969] [2024-11-13 23:54:26,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025420969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:54:26,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:54:26,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:54:26,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673293205] [2024-11-13 23:54:26,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:54:26,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:54:26,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:54:26,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:54:26,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:54:26,925 INFO L87 Difference]: Start difference. First operand has 1219 states, 723 states have (on average 1.3167358229598893) internal successors, (952), 748 states have internal predecessors, (952), 420 states have call successors, (420), 72 states have call predecessors, (420), 71 states have return successors, (415), 411 states have call predecessors, (415), 415 states have call successors, (415) Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:54:29,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:54:32,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:54:38,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:54:40,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:54:41,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:54:47,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:54:49,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:54:51,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:54:55,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:54:57,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:54:59,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:02,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:05,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:08,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:10,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:12,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:15,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:17,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:22,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:24,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:26,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:30,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:32,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:34,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:36,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:38,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:40,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:55:41,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:55:41,513 INFO L93 Difference]: Finished difference Result 3065 states and 4481 transitions. [2024-11-13 23:55:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:55:41,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 34 [2024-11-13 23:55:41,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:55:41,551 INFO L225 Difference]: With dead ends: 3065 [2024-11-13 23:55:41,551 INFO L226 Difference]: Without dead ends: 2074 [2024-11-13 23:55:41,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:55:41,565 INFO L432 NwaCegarLoop]: 1604 mSDtfsCounter, 1384 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 1 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1384 SdHoareTripleChecker+Valid, 4681 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:55:41,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1384 Valid, 4681 Invalid, 713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 687 Invalid, 25 Unknown, 0 Unchecked, 74.1s Time] [2024-11-13 23:55:41,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2024-11-13 23:55:41,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 2068. [2024-11-13 23:55:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1246 states have (on average 1.312199036918138) internal successors, (1635), 1279 states have internal predecessors, (1635), 685 states have call successors, (685), 134 states have call predecessors, (685), 133 states have return successors, (683), 675 states have call predecessors, (683), 683 states have call successors, (683) [2024-11-13 23:55:41,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 3003 transitions. [2024-11-13 23:55:41,854 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 3003 transitions. Word has length 34 [2024-11-13 23:55:41,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:55:41,856 INFO L471 AbstractCegarLoop]: Abstraction has 2068 states and 3003 transitions. [2024-11-13 23:55:41,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:55:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 3003 transitions. [2024-11-13 23:55:41,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-13 23:55:41,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:55:41,864 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-13 23:55:41,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:55:41,865 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, hdpvr_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-13 23:55:41,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:55:41,866 INFO L85 PathProgramCache]: Analyzing trace with hash 926027308, now seen corresponding path program 1 times [2024-11-13 23:55:41,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:55:41,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590933615] [2024-11-13 23:55:41,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:55:41,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:59:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:59:25,176 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2024-11-13 23:59:25,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:59:25,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590933615] [2024-11-13 23:59:25,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590933615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:59:25,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:59:25,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:59:25,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507376951] [2024-11-13 23:59:25,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:59:25,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:59:25,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:59:25,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:59:25,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:59:25,179 INFO L87 Difference]: Start difference. First operand 2068 states and 3003 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 23:59:27,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:30,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:35,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:37,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:39,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:45,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:47,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:49,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:52,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:55,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:57,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:59,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:03,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:05,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:07,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:09,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:12,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:14,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:16,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:18,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:25,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:27,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:29,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:32,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:35,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:37,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:39,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:41,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:43,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 00:00:44,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 00:00:44,740 INFO L93 Difference]: Finished difference Result 2074 states and 3006 transitions. [2024-11-14 00:00:44,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 00:00:44,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 124 [2024-11-14 00:00:44,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 00:00:44,760 INFO L225 Difference]: With dead ends: 2074 [2024-11-14 00:00:44,760 INFO L226 Difference]: Without dead ends: 2072 [2024-11-14 00:00:44,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 00:00:44,764 INFO L432 NwaCegarLoop]: 1591 mSDtfsCounter, 1294 mSDsluCounter, 3049 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 1 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1294 SdHoareTripleChecker+Valid, 4640 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.2s IncrementalHoareTripleChecker+Time [2024-11-14 00:00:44,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1294 Valid, 4640 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 683 Invalid, 25 Unknown, 0 Unchecked, 79.2s Time] [2024-11-14 00:00:44,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2024-11-14 00:00:44,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 2068. [2024-11-14 00:00:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1246 states have (on average 1.3113964686998394) internal successors, (1634), 1279 states have internal predecessors, (1634), 685 states have call successors, (685), 134 states have call predecessors, (685), 133 states have return successors, (683), 675 states have call predecessors, (683), 683 states have call successors, (683) [2024-11-14 00:00:44,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 3002 transitions. [2024-11-14 00:00:44,936 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 3002 transitions. Word has length 124 [2024-11-14 00:00:44,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 00:00:44,937 INFO L471 AbstractCegarLoop]: Abstraction has 2068 states and 3002 transitions. [2024-11-14 00:00:44,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 00:00:44,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 3002 transitions. [2024-11-14 00:00:44,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-14 00:00:44,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 00:00:44,945 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 00:00:44,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 00:00:44,945 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, hdpvr_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 00:00:44,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 00:00:44,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1502705325, now seen corresponding path program 1 times [2024-11-14 00:00:44,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 00:00:44,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836306052] [2024-11-14 00:00:44,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 00:00:44,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms