./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 12:07:05,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 12:07:05,091 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 12:07:05,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 12:07:05,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 12:07:05,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 12:07:05,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 12:07:05,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 12:07:05,132 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 12:07:05,134 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 12:07:05,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 12:07:05,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 12:07:05,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 12:07:05,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 12:07:05,136 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 12:07:05,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 12:07:05,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 12:07:05,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 12:07:05,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 12:07:05,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 12:07:05,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 12:07:05,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 12:07:05,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 12:07:05,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 12:07:05,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 12:07:05,142 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 12:07:05,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 12:07:05,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 12:07:05,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 12:07:05,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 12:07:05,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 12:07:05,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 12:07:05,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 12:07:05,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 12:07:05,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 12:07:05,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 12:07:05,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 12:07:05,145 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 12:07:05,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 12:07:05,146 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b [2024-11-10 12:07:05,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 12:07:05,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 12:07:05,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 12:07:05,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 12:07:05,472 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 12:07:05,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-10 12:07:06,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 12:07:07,439 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 12:07:07,440 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-10 12:07:07,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d07abbd41/264f47d021704fe0add53dd648099af9/FLAG95b61ed98 [2024-11-10 12:07:07,511 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d07abbd41/264f47d021704fe0add53dd648099af9 [2024-11-10 12:07:07,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 12:07:07,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 12:07:07,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 12:07:07,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 12:07:07,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 12:07:07,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:07:07" (1/1) ... [2024-11-10 12:07:07,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dff7f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:07, skipping insertion in model container [2024-11-10 12:07:07,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:07:07" (1/1) ... [2024-11-10 12:07:07,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 12:07:09,036 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-11-10 12:07:09,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 12:07:09,883 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 12:07:10,002 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5500-5501] [2024-11-10 12:07:10,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-11-10 12:07:10,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 12:07:10,265 INFO L204 MainTranslator]: Completed translation [2024-11-10 12:07:10,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10 WrapperNode [2024-11-10 12:07:10,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 12:07:10,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 12:07:10,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 12:07:10,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 12:07:10,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (1/1) ... [2024-11-10 12:07:10,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (1/1) ... [2024-11-10 12:07:10,438 INFO L138 Inliner]: procedures = 156, calls = 736, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1722 [2024-11-10 12:07:10,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 12:07:10,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 12:07:10,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 12:07:10,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 12:07:10,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (1/1) ... [2024-11-10 12:07:10,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (1/1) ... [2024-11-10 12:07:10,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (1/1) ... [2024-11-10 12:07:10,751 INFO L175 MemorySlicer]: Split 256 memory accesses to 7 slices as follows [2, 44, 17, 158, 3, 6, 26]. 62 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [2, 0, 0, 0, 0, 6, 26]. The 114 writes are split as follows [0, 44, 17, 51, 2, 0, 0]. [2024-11-10 12:07:10,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (1/1) ... [2024-11-10 12:07:10,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (1/1) ... [2024-11-10 12:07:10,822 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (1/1) ... [2024-11-10 12:07:10,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (1/1) ... [2024-11-10 12:07:10,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (1/1) ... [2024-11-10 12:07:10,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (1/1) ... [2024-11-10 12:07:10,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 12:07:10,890 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 12:07:10,891 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 12:07:10,891 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 12:07:10,892 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (1/1) ... [2024-11-10 12:07:10,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 12:07:10,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 12:07:10,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 12:07:10,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 12:07:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2024-11-10 12:07:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2024-11-10 12:07:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2024-11-10 12:07:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2024-11-10 12:07:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2024-11-10 12:07:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2024-11-10 12:07:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 12:07:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 12:07:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 12:07:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 12:07:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 12:07:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 12:07:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 12:07:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-10 12:07:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-10 12:07:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-11-10 12:07:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-11-10 12:07:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2024-11-10 12:07:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2024-11-10 12:07:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-10 12:07:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-10 12:07:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-10 12:07:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-10 12:07:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-10 12:07:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-10 12:07:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-10 12:07:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 12:07:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 12:07:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 12:07:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 12:07:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 12:07:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 12:07:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 12:07:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-10 12:07:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-10 12:07:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 12:07:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 12:07:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 12:07:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 12:07:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 12:07:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 12:07:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 12:07:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2024-11-10 12:07:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2024-11-10 12:07:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2024-11-10 12:07:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2024-11-10 12:07:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-10 12:07:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-10 12:07:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2024-11-10 12:07:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2024-11-10 12:07:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-10 12:07:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-10 12:07:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-10 12:07:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-10 12:07:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-10 12:07:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-10 12:07:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-10 12:07:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-10 12:07:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-10 12:07:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-10 12:07:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-10 12:07:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-10 12:07:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-10 12:07:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-10 12:07:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-10 12:07:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-10 12:07:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-10 12:07:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-10 12:07:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-10 12:07:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-10 12:07:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2024-11-10 12:07:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2024-11-10 12:07:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2024-11-10 12:07:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2024-11-10 12:07:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-10 12:07:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-10 12:07:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2024-11-10 12:07:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2024-11-10 12:07:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2024-11-10 12:07:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2024-11-10 12:07:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-10 12:07:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-10 12:07:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 12:07:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 12:07:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 12:07:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 12:07:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 12:07:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 12:07:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 12:07:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-10 12:07:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-10 12:07:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-10 12:07:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-10 12:07:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2024-11-10 12:07:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2024-11-10 12:07:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2024-11-10 12:07:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2024-11-10 12:07:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 12:07:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 12:07:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2024-11-10 12:07:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2024-11-10 12:07:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 12:07:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-10 12:07:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-10 12:07:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-11-10 12:07:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-11-10 12:07:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-10 12:07:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-10 12:07:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2024-11-10 12:07:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2024-11-10 12:07:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 12:07:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2024-11-10 12:07:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2024-11-10 12:07:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2024-11-10 12:07:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2024-11-10 12:07:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-10 12:07:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-10 12:07:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 12:07:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 12:07:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 12:07:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 12:07:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 12:07:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 12:07:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 12:07:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 12:07:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2024-11-10 12:07:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2024-11-10 12:07:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-10 12:07:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-10 12:07:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2024-11-10 12:07:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2024-11-10 12:07:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 12:07:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 12:07:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 12:07:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 12:07:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 12:07:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 12:07:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 12:07:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-10 12:07:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-10 12:07:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-10 12:07:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-10 12:07:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2024-11-10 12:07:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2024-11-10 12:07:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2024-11-10 12:07:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2024-11-10 12:07:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-10 12:07:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-10 12:07:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2024-11-10 12:07:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2024-11-10 12:07:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-10 12:07:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-10 12:07:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 12:07:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2024-11-10 12:07:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2024-11-10 12:07:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-10 12:07:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-10 12:07:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2024-11-10 12:07:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2024-11-10 12:07:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-10 12:07:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-10 12:07:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-10 12:07:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-10 12:07:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-10 12:07:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-10 12:07:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2024-11-10 12:07:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2024-11-10 12:07:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2024-11-10 12:07:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2024-11-10 12:07:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-10 12:07:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-10 12:07:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-10 12:07:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-10 12:07:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-10 12:07:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2024-11-10 12:07:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2024-11-10 12:07:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 12:07:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 12:07:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2024-11-10 12:07:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2024-11-10 12:07:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2024-11-10 12:07:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2024-11-10 12:07:11,570 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 12:07:11,574 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 12:07:11,697 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7605: havoc #t~nondet557; [2024-11-10 12:07:11,708 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-10 12:07:11,713 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7659: havoc #t~nondet566; [2024-11-10 12:07:11,744 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6321: call ULTIMATE.dealloc(~#buf.base, ~#buf.offset);havoc ~#buf.base, ~#buf.offset; [2024-11-10 12:07:11,771 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7630: havoc #t~ret562.base, #t~ret562.offset; [2024-11-10 12:07:11,789 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5584: havoc #t~mem39;havoc #t~bitwise40; [2024-11-10 12:07:12,554 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-10 12:07:12,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7704: havoc #t~nondet574; [2024-11-10 12:07:12,849 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7623: havoc #t~nondet560; [2024-11-10 12:07:12,852 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6318: havoc #t~mem302; [2024-11-10 12:07:12,869 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7688: havoc #t~nondet571; [2024-11-10 12:07:12,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7616: havoc #t~nondet559; [2024-11-10 12:07:12,882 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5601: havoc __kmalloc_#t~ret43#1.base, __kmalloc_#t~ret43#1.offset; [2024-11-10 12:07:12,920 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7609: havoc #t~nondet558; [2024-11-10 12:07:13,022 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5796: havoc #t~bitwise102;havoc #t~bitwise103;havoc #t~bitwise104; [2024-11-10 12:07:17,711 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7670: havoc gigaset_start_#t~nondet568#1; [2024-11-10 12:07:17,711 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6817: call ULTIMATE.dealloc(main_~#ldvarg8~0#1.base, main_~#ldvarg8~0#1.offset);havoc main_~#ldvarg8~0#1.base, main_~#ldvarg8~0#1.offset; [2024-11-10 12:07:17,712 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7680: havoc ldv_probe_1_#t~nondet569#1; [2024-11-10 12:07:17,712 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7714: havoc usb_register_driver_#t~nondet575#1; [2024-11-10 12:07:17,712 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7649: havoc gigaset_initcs_#t~ret564#1.base, gigaset_initcs_#t~ret564#1.offset; [2024-11-10 12:07:17,712 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7684: havoc ldv_release_1_#t~nondet570#1; [2024-11-10 12:07:17,712 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7652: havoc gigaset_initdriver_#t~ret565#1.base, gigaset_initdriver_#t~ret565#1.offset; [2024-11-10 12:07:17,712 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6304: havoc gigaset_write_cmd_#t~mem300#1; [2024-11-10 12:07:17,712 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7663: havoc gigaset_shutdown_#t~nondet567#1; [2024-11-10 12:07:17,791 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7627: havoc dev_warn_#t~nondet561#1; [2024-11-10 12:07:17,792 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7640: havoc gigaset_fill_inbuf_#t~nondet563#1; [2024-11-10 12:07:18,372 INFO L? ?]: Removed 872 outVars from TransFormulas that were not future-live. [2024-11-10 12:07:18,373 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 12:07:18,433 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 12:07:18,433 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 12:07:18,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:07:18 BoogieIcfgContainer [2024-11-10 12:07:18,434 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 12:07:18,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 12:07:18,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 12:07:18,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 12:07:18,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:07:07" (1/3) ... [2024-11-10 12:07:18,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369f6544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:07:18, skipping insertion in model container [2024-11-10 12:07:18,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:10" (2/3) ... [2024-11-10 12:07:18,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369f6544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:07:18, skipping insertion in model container [2024-11-10 12:07:18,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:07:18" (3/3) ... [2024-11-10 12:07:18,446 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-10 12:07:18,464 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 12:07:18,465 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 12:07:18,585 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 12:07:18,594 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61e175e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 12:07:18,595 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 12:07:18,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 903 states, 646 states have (on average 1.36687306501548) internal successors, (883), 670 states have internal predecessors, (883), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) [2024-11-10 12:07:18,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 12:07:18,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 12:07:18,632 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 12:07:18,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 12:07:18,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 12:07:18,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1953406647, now seen corresponding path program 1 times [2024-11-10 12:07:18,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 12:07:18,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961667882] [2024-11-10 12:07:18,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 12:07:18,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 12:07:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:19,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 12:07:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:19,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 12:07:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:19,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 12:07:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:19,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 12:07:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:19,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 12:07:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:19,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 12:07:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:19,894 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 12:07:19,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 12:07:19,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961667882] [2024-11-10 12:07:19,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961667882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 12:07:19,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 12:07:19,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 12:07:19,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281964210] [2024-11-10 12:07:19,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 12:07:19,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 12:07:19,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 12:07:19,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 12:07:19,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 12:07:19,938 INFO L87 Difference]: Start difference. First operand has 903 states, 646 states have (on average 1.36687306501548) internal successors, (883), 670 states have internal predecessors, (883), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 12:07:23,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 12:07:28,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 12:07:31,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 12:07:31,569 INFO L93 Difference]: Finished difference Result 2748 states and 3959 transitions. [2024-11-10 12:07:31,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 12:07:31,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 3 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 57 [2024-11-10 12:07:31,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 12:07:31,615 INFO L225 Difference]: With dead ends: 2748 [2024-11-10 12:07:31,615 INFO L226 Difference]: Without dead ends: 1828 [2024-11-10 12:07:31,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 12:07:31,633 INFO L432 NwaCegarLoop]: 686 mSDtfsCounter, 1899 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 596 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2051 SdHoareTripleChecker+Valid, 1635 SdHoareTripleChecker+Invalid, 2141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-11-10 12:07:31,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2051 Valid, 1635 Invalid, 2141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 1543 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2024-11-10 12:07:31,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2024-11-10 12:07:31,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1712. [2024-11-10 12:07:31,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1233 states have (on average 1.3479318734793186) internal successors, (1662), 1260 states have internal predecessors, (1662), 370 states have call successors, (370), 109 states have call predecessors, (370), 108 states have return successors, (365), 355 states have call predecessors, (365), 365 states have call successors, (365) [2024-11-10 12:07:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2397 transitions. [2024-11-10 12:07:31,844 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2397 transitions. Word has length 57 [2024-11-10 12:07:31,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 12:07:31,845 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2397 transitions. [2024-11-10 12:07:31,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 12:07:31,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2397 transitions. [2024-11-10 12:07:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-10 12:07:31,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 12:07:31,851 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 12:07:31,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 12:07:31,852 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 12:07:31,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 12:07:31,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1456494303, now seen corresponding path program 1 times [2024-11-10 12:07:31,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 12:07:31,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812862373] [2024-11-10 12:07:31,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 12:07:31,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 12:07:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 12:07:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:32,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 12:07:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:32,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 12:07:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:32,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 12:07:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:32,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 12:07:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:32,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 12:07:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 12:07:32,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 12:07:32,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812862373] [2024-11-10 12:07:32,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812862373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 12:07:32,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 12:07:32,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 12:07:32,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150548410] [2024-11-10 12:07:32,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 12:07:32,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 12:07:32,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 12:07:32,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 12:07:32,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 12:07:32,993 INFO L87 Difference]: Start difference. First operand 1712 states and 2397 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 12:07:37,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 12:07:41,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 12:07:44,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 12:07:44,752 INFO L93 Difference]: Finished difference Result 5501 states and 7861 transitions. [2024-11-10 12:07:44,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 12:07:44,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 61 [2024-11-10 12:07:44,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 12:07:44,786 INFO L225 Difference]: With dead ends: 5501 [2024-11-10 12:07:44,787 INFO L226 Difference]: Without dead ends: 3804 [2024-11-10 12:07:44,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 12:07:44,801 INFO L432 NwaCegarLoop]: 673 mSDtfsCounter, 2909 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 1645 mSolverCounterSat, 1206 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 2853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1206 IncrementalHoareTripleChecker+Valid, 1645 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-11-10 12:07:44,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 1643 Invalid, 2853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1206 Valid, 1645 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2024-11-10 12:07:44,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3804 states. [2024-11-10 12:07:45,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3804 to 3467. [2024-11-10 12:07:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3467 states, 2498 states have (on average 1.345476381104884) internal successors, (3361), 2548 states have internal predecessors, (3361), 742 states have call successors, (742), 217 states have call predecessors, (742), 226 states have return successors, (793), 727 states have call predecessors, (793), 737 states have call successors, (793) [2024-11-10 12:07:45,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3467 states to 3467 states and 4896 transitions. [2024-11-10 12:07:45,081 INFO L78 Accepts]: Start accepts. Automaton has 3467 states and 4896 transitions. Word has length 61 [2024-11-10 12:07:45,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 12:07:45,081 INFO L471 AbstractCegarLoop]: Abstraction has 3467 states and 4896 transitions. [2024-11-10 12:07:45,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 12:07:45,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3467 states and 4896 transitions. [2024-11-10 12:07:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 12:07:45,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 12:07:45,085 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 12:07:45,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 12:07:45,085 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 12:07:45,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 12:07:45,086 INFO L85 PathProgramCache]: Analyzing trace with hash -2119208804, now seen corresponding path program 1 times [2024-11-10 12:07:45,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 12:07:45,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255752775] [2024-11-10 12:07:45,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 12:07:45,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 12:07:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:45,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 12:07:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:45,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 12:07:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:45,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 12:07:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:45,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 12:07:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:45,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 12:07:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:45,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 12:07:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 12:07:46,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 12:07:46,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255752775] [2024-11-10 12:07:46,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255752775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 12:07:46,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 12:07:46,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 12:07:46,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479971570] [2024-11-10 12:07:46,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 12:07:46,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 12:07:46,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 12:07:46,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 12:07:46,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 12:07:46,009 INFO L87 Difference]: Start difference. First operand 3467 states and 4896 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 12:07:50,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 12:07:54,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 12:07:57,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 12:07:57,736 INFO L93 Difference]: Finished difference Result 11014 states and 15892 transitions. [2024-11-10 12:07:57,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 12:07:57,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 62 [2024-11-10 12:07:57,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 12:07:57,797 INFO L225 Difference]: With dead ends: 11014 [2024-11-10 12:07:57,797 INFO L226 Difference]: Without dead ends: 7562 [2024-11-10 12:07:57,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 12:07:57,814 INFO L432 NwaCegarLoop]: 706 mSDtfsCounter, 2878 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 1668 mSolverCounterSat, 1170 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 1691 SdHoareTripleChecker+Invalid, 2840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1170 IncrementalHoareTripleChecker+Valid, 1668 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-10 12:07:57,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 1691 Invalid, 2840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1170 Valid, 1668 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2024-11-10 12:07:57,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7562 states. [2024-11-10 12:07:58,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7562 to 6970. [2024-11-10 12:07:58,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6970 states, 5021 states have (on average 1.342162915753834) internal successors, (6739), 5117 states have internal predecessors, (6739), 1486 states have call successors, (1486), 433 states have call predecessors, (1486), 462 states have return successors, (1697), 1471 states have call predecessors, (1697), 1481 states have call successors, (1697) [2024-11-10 12:07:58,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6970 states to 6970 states and 9922 transitions. [2024-11-10 12:07:58,212 INFO L78 Accepts]: Start accepts. Automaton has 6970 states and 9922 transitions. Word has length 62 [2024-11-10 12:07:58,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 12:07:58,214 INFO L471 AbstractCegarLoop]: Abstraction has 6970 states and 9922 transitions. [2024-11-10 12:07:58,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 12:07:58,215 INFO L276 IsEmpty]: Start isEmpty. Operand 6970 states and 9922 transitions. [2024-11-10 12:07:58,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 12:07:58,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 12:07:58,219 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 12:07:58,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 12:07:58,220 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 12:07:58,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 12:07:58,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1296887138, now seen corresponding path program 1 times [2024-11-10 12:07:58,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 12:07:58,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063077902] [2024-11-10 12:07:58,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 12:07:58,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 12:07:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:58,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 12:07:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:58,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 12:07:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:58,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 12:07:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:58,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 12:07:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:58,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 12:07:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:58,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 12:07:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:07:58,772 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 12:07:58,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 12:07:58,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063077902] [2024-11-10 12:07:58,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063077902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 12:07:58,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 12:07:58,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 12:07:58,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814860424] [2024-11-10 12:07:58,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 12:07:58,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 12:07:58,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 12:07:58,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 12:07:58,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 12:07:58,774 INFO L87 Difference]: Start difference. First operand 6970 states and 9922 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 12:08:02,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 12:08:06,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 12:08:10,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 12:08:10,272 INFO L93 Difference]: Finished difference Result 7561 states and 10847 transitions. [2024-11-10 12:08:10,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 12:08:10,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 63 [2024-11-10 12:08:10,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 12:08:10,327 INFO L225 Difference]: With dead ends: 7561 [2024-11-10 12:08:10,328 INFO L226 Difference]: Without dead ends: 7557 [2024-11-10 12:08:10,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 12:08:10,336 INFO L432 NwaCegarLoop]: 701 mSDtfsCounter, 2876 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 1163 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 1689 SdHoareTripleChecker+Invalid, 2827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1163 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-10 12:08:10,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 1689 Invalid, 2827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1163 Valid, 1662 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2024-11-10 12:08:10,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7557 states. [2024-11-10 12:08:10,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7557 to 6971. [2024-11-10 12:08:10,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6971 states, 5022 states have (on average 1.342094782954998) internal successors, (6740), 5118 states have internal predecessors, (6740), 1486 states have call successors, (1486), 433 states have call predecessors, (1486), 462 states have return successors, (1697), 1471 states have call predecessors, (1697), 1481 states have call successors, (1697) [2024-11-10 12:08:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6971 states to 6971 states and 9923 transitions. [2024-11-10 12:08:10,847 INFO L78 Accepts]: Start accepts. Automaton has 6971 states and 9923 transitions. Word has length 63 [2024-11-10 12:08:10,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 12:08:10,847 INFO L471 AbstractCegarLoop]: Abstraction has 6971 states and 9923 transitions. [2024-11-10 12:08:10,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 12:08:10,848 INFO L276 IsEmpty]: Start isEmpty. Operand 6971 states and 9923 transitions. [2024-11-10 12:08:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-10 12:08:10,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 12:08:10,850 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 12:08:10,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 12:08:10,851 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 12:08:10,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 12:08:10,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1574750981, now seen corresponding path program 1 times [2024-11-10 12:08:10,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 12:08:10,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404226934] [2024-11-10 12:08:10,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 12:08:10,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 12:08:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:11,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 12:08:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:11,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 12:08:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:11,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 12:08:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:11,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 12:08:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:11,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 12:08:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:11,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 12:08:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 12:08:11,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 12:08:11,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404226934] [2024-11-10 12:08:11,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404226934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 12:08:11,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 12:08:11,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 12:08:11,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311058271] [2024-11-10 12:08:11,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 12:08:11,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 12:08:11,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 12:08:11,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 12:08:11,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 12:08:11,425 INFO L87 Difference]: Start difference. First operand 6971 states and 9923 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 12:08:15,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 12:08:19,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 12:08:21,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 12:08:21,573 INFO L93 Difference]: Finished difference Result 7556 states and 10842 transitions. [2024-11-10 12:08:21,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 12:08:21,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 64 [2024-11-10 12:08:21,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 12:08:21,636 INFO L225 Difference]: With dead ends: 7556 [2024-11-10 12:08:21,636 INFO L226 Difference]: Without dead ends: 7552 [2024-11-10 12:08:21,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 12:08:21,650 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 1550 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 475 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-10 12:08:21,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 1393 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 1067 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2024-11-10 12:08:21,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7552 states. [2024-11-10 12:08:22,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7552 to 6970. [2024-11-10 12:08:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6970 states, 5022 states have (on average 1.3418956590999602) internal successors, (6739), 5117 states have internal predecessors, (6739), 1485 states have call successors, (1485), 433 states have call predecessors, (1485), 462 states have return successors, (1697), 1471 states have call predecessors, (1697), 1481 states have call successors, (1697) [2024-11-10 12:08:22,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6970 states to 6970 states and 9921 transitions. [2024-11-10 12:08:22,136 INFO L78 Accepts]: Start accepts. Automaton has 6970 states and 9921 transitions. Word has length 64 [2024-11-10 12:08:22,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 12:08:22,136 INFO L471 AbstractCegarLoop]: Abstraction has 6970 states and 9921 transitions. [2024-11-10 12:08:22,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 12:08:22,137 INFO L276 IsEmpty]: Start isEmpty. Operand 6970 states and 9921 transitions. [2024-11-10 12:08:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 12:08:22,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 12:08:22,141 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 12:08:22,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 12:08:22,142 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 12:08:22,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 12:08:22,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1598627235, now seen corresponding path program 1 times [2024-11-10 12:08:22,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 12:08:22,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682115575] [2024-11-10 12:08:22,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 12:08:22,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 12:08:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:22,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 12:08:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:22,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 12:08:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:22,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 12:08:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:22,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 12:08:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:22,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 12:08:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:22,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 12:08:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 12:08:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 12:08:22,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 12:08:22,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682115575] [2024-11-10 12:08:22,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682115575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 12:08:22,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 12:08:22,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 12:08:22,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354527863] [2024-11-10 12:08:22,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 12:08:22,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 12:08:22,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 12:08:22,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 12:08:22,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 12:08:22,717 INFO L87 Difference]: Start difference. First operand 6970 states and 9921 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)