./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 3289d67d 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-3289d67-m [2024-11-16 20:58:32,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:58:32,822 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:58:32,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:58:32,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:58:32,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:58:32,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:58:32,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:58:32,856 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:58:32,857 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:58:32,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:58:32,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:58:32,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:58:32,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:58:32,860 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:58:32,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:58:32,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:58:32,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:58:32,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:58:32,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:58:32,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:58:32,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:58:32,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:58:32,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:58:32,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:58:32,867 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:58:32,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:58:32,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:58:32,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:58:32,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:58:32,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:58:32,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:58:32,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:58:32,868 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:58:32,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:58:32,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:58:32,869 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:58:32,869 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:58:32,869 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:58:32,869 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b [2024-11-16 20:58:33,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:58:33,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:58:33,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:58:33,115 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:58:33,116 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:58:33,117 INFO L431 ainManager$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 [2024-11-16 20:58:34,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:58:34,819 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:58:34,820 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 [2024-11-16 20:58:34,863 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88abd1cd0/451fd64ae95445dd81425527a24acada/FLAG3aa0ebac7 [2024-11-16 20:58:34,882 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88abd1cd0/451fd64ae95445dd81425527a24acada [2024-11-16 20:58:34,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:58:34,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:58:34,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:58:34,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:58:34,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:58:34,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:58:34" (1/1) ... [2024-11-16 20:58:34,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4049229a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:34, skipping insertion in model container [2024-11-16 20:58:34,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:58:34" (1/1) ... [2024-11-16 20:58:35,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:58:35,533 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] [2024-11-16 20:58:35,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:58:35,868 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:58:35,959 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] [2024-11-16 20:58:35,969 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] [2024-11-16 20:58:36,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:58:36,224 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:58:36,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36 WrapperNode [2024-11-16 20:58:36,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:58:36,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:58:36,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:58:36,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:58:36,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (1/1) ... [2024-11-16 20:58:36,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (1/1) ... [2024-11-16 20:58:36,341 INFO L138 Inliner]: procedures = 156, calls = 736, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1722 [2024-11-16 20:58:36,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:58:36,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:58:36,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:58:36,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:58:36,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (1/1) ... [2024-11-16 20:58:36,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (1/1) ... [2024-11-16 20:58:36,365 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (1/1) ... [2024-11-16 20:58:36,571 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]. [2024-11-16 20:58:36,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (1/1) ... [2024-11-16 20:58:36,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (1/1) ... [2024-11-16 20:58:36,626 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (1/1) ... [2024-11-16 20:58:36,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (1/1) ... [2024-11-16 20:58:36,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (1/1) ... [2024-11-16 20:58:36,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (1/1) ... [2024-11-16 20:58:36,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:58:36,671 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:58:36,671 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:58:36,671 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:58:36,672 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (1/1) ... [2024-11-16 20:58:36,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:58:36,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:58:36,715 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) [2024-11-16 20:58:36,722 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 [2024-11-16 20:58:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2024-11-16 20:58:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2024-11-16 20:58:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2024-11-16 20:58:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2024-11-16 20:58:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2024-11-16 20:58:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2024-11-16 20:58:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:58:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:58:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:58:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:58:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:58:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:58:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 20:58:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-16 20:58:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-16 20:58:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-11-16 20:58:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-11-16 20:58:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2024-11-16 20:58:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2024-11-16 20:58:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 20:58:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 20:58:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 20:58:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 20:58:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 20:58:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 20:58:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-16 20:58:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:58:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:58:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:58:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:58:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:58:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:58:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 20:58:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-16 20:58:36,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-16 20:58:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:58:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:58:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:58:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:58:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:58:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:58:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 20:58:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2024-11-16 20:58:36,774 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2024-11-16 20:58:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2024-11-16 20:58:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2024-11-16 20:58:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-16 20:58:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-16 20:58:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2024-11-16 20:58:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2024-11-16 20:58:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 20:58:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 20:58:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 20:58:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 20:58:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 20:58:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 20:58:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-16 20:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 20:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 20:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 20:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 20:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 20:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 20:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-16 20:58:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-16 20:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-16 20:58:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-16 20:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-16 20:58:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-16 20:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2024-11-16 20:58:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2024-11-16 20:58:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-16 20:58:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2024-11-16 20:58:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2024-11-16 20:58:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-16 20:58:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 20:58:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-16 20:58:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-16 20:58:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-16 20:58:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-16 20:58:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2024-11-16 20:58:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2024-11-16 20:58:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2024-11-16 20:58:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2024-11-16 20:58:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:58:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:58:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2024-11-16 20:58:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2024-11-16 20:58:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:58:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-16 20:58:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-16 20:58:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-11-16 20:58:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-11-16 20:58:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-16 20:58:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-16 20:58:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2024-11-16 20:58:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2024-11-16 20:58:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:58:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2024-11-16 20:58:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2024-11-16 20:58:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2024-11-16 20:58:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2024-11-16 20:58:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-16 20:58:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-16 20:58:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:58:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:58:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:58:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:58:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:58:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:58:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:58:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 20:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2024-11-16 20:58:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2024-11-16 20:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-16 20:58:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-16 20:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2024-11-16 20:58:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2024-11-16 20:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 20:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-16 20:58:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-16 20:58:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-16 20:58:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-16 20:58:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2024-11-16 20:58:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2024-11-16 20:58:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2024-11-16 20:58:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2024-11-16 20:58:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-16 20:58:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-16 20:58:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2024-11-16 20:58:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2024-11-16 20:58:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-16 20:58:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-16 20:58:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:58:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2024-11-16 20:58:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2024-11-16 20:58:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-16 20:58:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-16 20:58:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2024-11-16 20:58:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2024-11-16 20:58:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-16 20:58:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-16 20:58:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-16 20:58:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2024-11-16 20:58:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2024-11-16 20:58:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-16 20:58:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 20:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 20:58:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 20:58:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 20:58:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-16 20:58:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-16 20:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-16 20:58:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2024-11-16 20:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2024-11-16 20:58:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:58:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2024-11-16 20:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2024-11-16 20:58:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2024-11-16 20:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2024-11-16 20:58:37,189 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:58:37,193 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:58:37,360 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7605: havoc #t~nondet557; [2024-11-16 20:58:37,374 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-16 20:58:37,379 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7659: havoc #t~nondet566; [2024-11-16 20:58:37,418 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6321: call ULTIMATE.dealloc(~#buf.base, ~#buf.offset);havoc ~#buf.base, ~#buf.offset; [2024-11-16 20:58:37,450 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7630: havoc #t~ret562.base, #t~ret562.offset; [2024-11-16 20:58:37,467 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5584: havoc #t~mem39;havoc #t~bitwise40; [2024-11-16 20:58:38,119 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-16 20:58:38,275 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7704: havoc #t~nondet574; [2024-11-16 20:58:38,306 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7623: havoc #t~nondet560; [2024-11-16 20:58:38,308 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6318: havoc #t~mem302; [2024-11-16 20:58:38,315 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7688: havoc #t~nondet571; [2024-11-16 20:58:38,318 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7616: havoc #t~nondet559; [2024-11-16 20:58:38,323 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5601: havoc __kmalloc_#t~ret43#1.base, __kmalloc_#t~ret43#1.offset; [2024-11-16 20:58:38,325 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7609: havoc #t~nondet558; [2024-11-16 20:58:38,365 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5796: havoc #t~bitwise102;havoc #t~bitwise103;havoc #t~bitwise104; [2024-11-16 20:58:42,841 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7670: havoc gigaset_start_#t~nondet568#1; [2024-11-16 20:58:42,841 INFO L1250 $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; [2024-11-16 20:58:42,841 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7680: havoc ldv_probe_1_#t~nondet569#1; [2024-11-16 20:58:42,841 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7714: havoc usb_register_driver_#t~nondet575#1; [2024-11-16 20:58:42,841 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7649: havoc gigaset_initcs_#t~ret564#1.base, gigaset_initcs_#t~ret564#1.offset; [2024-11-16 20:58:42,841 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7684: havoc ldv_release_1_#t~nondet570#1; [2024-11-16 20:58:42,842 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7652: havoc gigaset_initdriver_#t~ret565#1.base, gigaset_initdriver_#t~ret565#1.offset; [2024-11-16 20:58:42,842 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6304: havoc gigaset_write_cmd_#t~mem300#1; [2024-11-16 20:58:42,842 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7663: havoc gigaset_shutdown_#t~nondet567#1; [2024-11-16 20:58:42,893 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7627: havoc dev_warn_#t~nondet561#1; [2024-11-16 20:58:42,894 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7640: havoc gigaset_fill_inbuf_#t~nondet563#1; [2024-11-16 20:58:43,151 INFO L? ?]: Removed 873 outVars from TransFormulas that were not future-live. [2024-11-16 20:58:43,152 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:58:43,191 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:58:43,191 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:58:43,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:58:43 BoogieIcfgContainer [2024-11-16 20:58:43,191 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:58:43,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:58:43,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:58:43,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:58:43,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:58:34" (1/3) ... [2024-11-16 20:58:43,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ca9202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:58:43, skipping insertion in model container [2024-11-16 20:58:43,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:36" (2/3) ... [2024-11-16 20:58:43,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ca9202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:58:43, skipping insertion in model container [2024-11-16 20:58:43,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:58:43" (3/3) ... [2024-11-16 20:58:43,197 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-16 20:58:43,217 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:58:43,221 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:58:43,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:58:43,332 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;@2fd0ec95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:58:43,333 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:58:43,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 904 states, 647 states have (on average 1.3663060278207109) internal successors, (884), 671 states have internal predecessors, (884), 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) [2024-11-16 20:58:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-16 20:58:43,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:58:43,364 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] [2024-11-16 20:58:43,365 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:58:43,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:58:43,369 INFO L85 PathProgramCache]: Analyzing trace with hash -600562456, now seen corresponding path program 1 times [2024-11-16 20:58:43,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:58:43,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434193056] [2024-11-16 20:58:43,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:58:43,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:58:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:44,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:58:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:44,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 20:58:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:44,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:58:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:44,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:58:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 20:58:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:44,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 20:58:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:44,387 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 20:58:44,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:58:44,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434193056] [2024-11-16 20:58:44,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434193056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:58:44,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:58:44,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 20:58:44,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53230180] [2024-11-16 20:58:44,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:58:44,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 20:58:44,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:58:44,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 20:58:44,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 20:58:44,440 INFO L87 Difference]: Start difference. First operand has 904 states, 647 states have (on average 1.3663060278207109) internal successors, (884), 671 states have internal predecessors, (884), 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) [2024-11-16 20:58:48,488 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 [] [2024-11-16 20:58:52,501 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 [] [2024-11-16 20:58:55,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:58:55,385 INFO L93 Difference]: Finished difference Result 2751 states and 3962 transitions. [2024-11-16 20:58:55,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:58:55,388 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 [2024-11-16 20:58:55,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:58:55,421 INFO L225 Difference]: With dead ends: 2751 [2024-11-16 20:58:55,422 INFO L226 Difference]: Without dead ends: 1830 [2024-11-16 20:58:55,431 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 [2024-11-16 20:58:55,434 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 1899 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 595 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2050 SdHoareTripleChecker+Valid, 1631 SdHoareTripleChecker+Invalid, 2140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-16 20:58:55,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2050 Valid, 1631 Invalid, 2140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 1543 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2024-11-16 20:58:55,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2024-11-16 20:58:55,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1714. [2024-11-16 20:58:55,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1235 states have (on average 1.3473684210526315) internal successors, (1664), 1262 states have internal predecessors, (1664), 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) [2024-11-16 20:58:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2399 transitions. [2024-11-16 20:58:55,626 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2399 transitions. Word has length 57 [2024-11-16 20:58:55,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:58:55,627 INFO L471 AbstractCegarLoop]: Abstraction has 1714 states and 2399 transitions. [2024-11-16 20:58:55,627 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) [2024-11-16 20:58:55,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2399 transitions. [2024-11-16 20:58:55,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-16 20:58:55,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:58:55,632 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, 1, 1, 1, 1] [2024-11-16 20:58:55,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:58:55,632 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:58:55,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:58:55,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1076127933, now seen corresponding path program 1 times [2024-11-16 20:58:55,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:58:55,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740170121] [2024-11-16 20:58:55,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:58:55,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:58:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:56,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:58:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:56,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 20:58:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:56,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:58:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:56,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:58:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:56,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 20:58:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:56,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 20:58:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:58:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 20:58:56,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:58:56,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740170121] [2024-11-16 20:58:56,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740170121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:58:56,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:58:56,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:58:56,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121283841] [2024-11-16 20:58:56,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:58:56,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:58:56,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:58:56,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:58:56,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:58:56,312 INFO L87 Difference]: Start difference. First operand 1714 states and 2399 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) [2024-11-16 20:59:00,340 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 [] [2024-11-16 20:59:04,352 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 [] [2024-11-16 20:59:07,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:59:07,741 INFO L93 Difference]: Finished difference Result 5507 states and 7867 transitions. [2024-11-16 20:59:07,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 20:59:07,742 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 [2024-11-16 20:59:07,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:59:07,765 INFO L225 Difference]: With dead ends: 5507 [2024-11-16 20:59:07,765 INFO L226 Difference]: Without dead ends: 3808 [2024-11-16 20:59:07,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 20:59:07,773 INFO L432 NwaCegarLoop]: 665 mSDtfsCounter, 2915 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 1645 mSolverCounterSat, 1205 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3077 SdHoareTripleChecker+Valid, 1632 SdHoareTripleChecker+Invalid, 2852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1205 IncrementalHoareTripleChecker+Valid, 1645 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-11-16 20:59:07,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3077 Valid, 1632 Invalid, 2852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1205 Valid, 1645 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2024-11-16 20:59:07,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3808 states. [2024-11-16 20:59:07,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3808 to 3471. [2024-11-16 20:59:07,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3471 states, 2502 states have (on average 1.3449240607513988) internal successors, (3365), 2552 states have internal predecessors, (3365), 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) [2024-11-16 20:59:07,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3471 states to 3471 states and 4900 transitions. [2024-11-16 20:59:07,913 INFO L78 Accepts]: Start accepts. Automaton has 3471 states and 4900 transitions. Word has length 61 [2024-11-16 20:59:07,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:59:07,913 INFO L471 AbstractCegarLoop]: Abstraction has 3471 states and 4900 transitions. [2024-11-16 20:59:07,913 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) [2024-11-16 20:59:07,914 INFO L276 IsEmpty]: Start isEmpty. Operand 3471 states and 4900 transitions. [2024-11-16 20:59:07,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-16 20:59:07,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:59:07,917 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] [2024-11-16 20:59:07,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 20:59:07,918 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:59:07,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:59:07,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1025665347, now seen corresponding path program 1 times [2024-11-16 20:59:07,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:59:07,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051025515] [2024-11-16 20:59:07,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:59:07,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:59:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:08,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:59:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:08,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 20:59:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:08,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:59:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:08,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:59:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:08,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 20:59:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:08,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 20:59:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 20:59:08,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:59:08,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051025515] [2024-11-16 20:59:08,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051025515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:59:08,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:59:08,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:59:08,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109550488] [2024-11-16 20:59:08,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:59:08,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:59:08,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:59:08,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:59:08,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:59:08,528 INFO L87 Difference]: Start difference. First operand 3471 states and 4900 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) [2024-11-16 20:59:12,541 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 [] [2024-11-16 20:59:16,550 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 [] [2024-11-16 20:59:20,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:59:20,091 INFO L93 Difference]: Finished difference Result 11026 states and 15904 transitions. [2024-11-16 20:59:20,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 20:59:20,092 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 [2024-11-16 20:59:20,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:59:20,137 INFO L225 Difference]: With dead ends: 11026 [2024-11-16 20:59:20,137 INFO L226 Difference]: Without dead ends: 7570 [2024-11-16 20:59:20,154 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 [2024-11-16 20:59:20,157 INFO L432 NwaCegarLoop]: 707 mSDtfsCounter, 2055 mSDsluCounter, 1382 mSDsCounter, 0 mSdLazyCounter, 1896 mSolverCounterSat, 657 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2218 SdHoareTripleChecker+Valid, 2089 SdHoareTripleChecker+Invalid, 2555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 657 IncrementalHoareTripleChecker+Valid, 1896 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:59:20,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2218 Valid, 2089 Invalid, 2555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [657 Valid, 1896 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2024-11-16 20:59:20,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7570 states. [2024-11-16 20:59:20,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7570 to 6978. [2024-11-16 20:59:20,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6978 states, 5029 states have (on average 1.3416186120501095) internal successors, (6747), 5125 states have internal predecessors, (6747), 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) [2024-11-16 20:59:20,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6978 states to 6978 states and 9930 transitions. [2024-11-16 20:59:20,419 INFO L78 Accepts]: Start accepts. Automaton has 6978 states and 9930 transitions. Word has length 62 [2024-11-16 20:59:20,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:59:20,421 INFO L471 AbstractCegarLoop]: Abstraction has 6978 states and 9930 transitions. [2024-11-16 20:59:20,422 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) [2024-11-16 20:59:20,422 INFO L276 IsEmpty]: Start isEmpty. Operand 6978 states and 9930 transitions. [2024-11-16 20:59:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-16 20:59:20,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:59:20,425 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] [2024-11-16 20:59:20,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 20:59:20,426 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:59:20,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:59:20,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1756779300, now seen corresponding path program 1 times [2024-11-16 20:59:20,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:59:20,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671644501] [2024-11-16 20:59:20,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:59:20,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:59:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:20,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:59:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:20,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 20:59:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:20,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:59:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:20,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:59:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:20,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 20:59:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:20,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 20:59:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:20,840 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 20:59:20,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:59:20,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671644501] [2024-11-16 20:59:20,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671644501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:59:20,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:59:20,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:59:20,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40368746] [2024-11-16 20:59:20,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:59:20,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:59:20,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:59:20,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:59:20,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:59:20,842 INFO L87 Difference]: Start difference. First operand 6978 states and 9930 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) [2024-11-16 20:59:24,854 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 [] [2024-11-16 20:59:28,866 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 [] [2024-11-16 20:59:31,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:59:31,546 INFO L93 Difference]: Finished difference Result 7569 states and 10855 transitions. [2024-11-16 20:59:31,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 20:59:31,547 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 [2024-11-16 20:59:31,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:59:31,579 INFO L225 Difference]: With dead ends: 7569 [2024-11-16 20:59:31,579 INFO L226 Difference]: Without dead ends: 7565 [2024-11-16 20:59:31,582 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 [2024-11-16 20:59:31,582 INFO L432 NwaCegarLoop]: 708 mSDtfsCounter, 2050 mSDsluCounter, 1393 mSDsCounter, 0 mSdLazyCounter, 1893 mSolverCounterSat, 648 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 2543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1893 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-16 20:59:31,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 2101 Invalid, 2543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 1893 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2024-11-16 20:59:31,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7565 states. [2024-11-16 20:59:31,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7565 to 6979. [2024-11-16 20:59:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6979 states, 5030 states have (on average 1.3415506958250496) internal successors, (6748), 5126 states have internal predecessors, (6748), 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) [2024-11-16 20:59:31,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6979 states to 6979 states and 9931 transitions. [2024-11-16 20:59:31,882 INFO L78 Accepts]: Start accepts. Automaton has 6979 states and 9931 transitions. Word has length 63 [2024-11-16 20:59:31,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:59:31,884 INFO L471 AbstractCegarLoop]: Abstraction has 6979 states and 9931 transitions. [2024-11-16 20:59:31,884 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) [2024-11-16 20:59:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 6979 states and 9931 transitions. [2024-11-16 20:59:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-16 20:59:31,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:59:31,887 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] [2024-11-16 20:59:31,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 20:59:31,887 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:59:31,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:59:31,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1348460220, now seen corresponding path program 1 times [2024-11-16 20:59:31,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:59:31,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862656602] [2024-11-16 20:59:31,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:59:31,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:59:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:32,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:59:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 20:59:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:32,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:59:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:32,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:59:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:32,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 20:59:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:32,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 20:59:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 20:59:32,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:59:32,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862656602] [2024-11-16 20:59:32,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862656602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:59:32,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:59:32,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:59:32,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175879600] [2024-11-16 20:59:32,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:59:32,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:59:32,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:59:32,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:59:32,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:59:32,267 INFO L87 Difference]: Start difference. First operand 6979 states and 9931 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) [2024-11-16 20:59:36,280 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 [] [2024-11-16 20:59:40,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:59:41,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:59:41,924 INFO L93 Difference]: Finished difference Result 7564 states and 10850 transitions. [2024-11-16 20:59:41,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:59:41,925 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 [2024-11-16 20:59:41,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:59:41,967 INFO L225 Difference]: With dead ends: 7564 [2024-11-16 20:59:41,968 INFO L226 Difference]: Without dead ends: 7560 [2024-11-16 20:59:41,973 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 [2024-11-16 20:59:41,974 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 1554 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 476 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 476 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-16 20:59:41,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 1383 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [476 Valid, 1070 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2024-11-16 20:59:41,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7560 states. [2024-11-16 20:59:42,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7560 to 6978. [2024-11-16 20:59:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6978 states, 5030 states have (on average 1.341351888667992) internal successors, (6747), 5125 states have internal predecessors, (6747), 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) [2024-11-16 20:59:42,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6978 states to 6978 states and 9929 transitions. [2024-11-16 20:59:42,385 INFO L78 Accepts]: Start accepts. Automaton has 6978 states and 9929 transitions. Word has length 64 [2024-11-16 20:59:42,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:59:42,388 INFO L471 AbstractCegarLoop]: Abstraction has 6978 states and 9929 transitions. [2024-11-16 20:59:42,389 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) [2024-11-16 20:59:42,389 INFO L276 IsEmpty]: Start isEmpty. Operand 6978 states and 9929 transitions. [2024-11-16 20:59:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 20:59:42,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:59:42,390 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] [2024-11-16 20:59:42,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 20:59:42,391 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:59:42,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:59:42,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1173394181, now seen corresponding path program 1 times [2024-11-16 20:59:42,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:59:42,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232561426] [2024-11-16 20:59:42,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:59:42,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:59:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:42,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:59:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:42,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 20:59:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:42,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:59:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:42,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:59:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:42,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 20:59:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:42,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 20:59:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:42,938 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 20:59:42,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:59:42,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232561426] [2024-11-16 20:59:42,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232561426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:59:42,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:59:42,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:59:42,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103057330] [2024-11-16 20:59:42,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:59:42,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:59:42,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:59:42,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:59:42,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:59:42,940 INFO L87 Difference]: Start difference. First operand 6978 states and 9929 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) [2024-11-16 20:59:46,964 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 [] [2024-11-16 20:59:50,969 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 [] [2024-11-16 20:59:52,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:59:52,868 INFO L93 Difference]: Finished difference Result 7563 states and 10848 transitions. [2024-11-16 20:59:52,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:59:52,868 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 65 [2024-11-16 20:59:52,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:59:52,935 INFO L225 Difference]: With dead ends: 7563 [2024-11-16 20:59:52,939 INFO L226 Difference]: Without dead ends: 7540 [2024-11-16 20:59:52,944 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 [2024-11-16 20:59:52,949 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 1543 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 467 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1637 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 467 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-16 20:59:52,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1637 Valid, 1392 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [467 Valid, 1075 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2024-11-16 20:59:52,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7540 states. [2024-11-16 20:59:53,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7540 to 6958. [2024-11-16 20:59:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6958 states, 5013 states have (on average 1.34131258727309) internal successors, (6724), 5107 states have internal predecessors, (6724), 1483 states have call successors, (1483), 432 states have call predecessors, (1483), 461 states have return successors, (1696), 1470 states have call predecessors, (1696), 1480 states have call successors, (1696) [2024-11-16 20:59:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6958 states to 6958 states and 9903 transitions. [2024-11-16 20:59:53,346 INFO L78 Accepts]: Start accepts. Automaton has 6958 states and 9903 transitions. Word has length 65 [2024-11-16 20:59:53,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:59:53,348 INFO L471 AbstractCegarLoop]: Abstraction has 6958 states and 9903 transitions. [2024-11-16 20:59:53,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-11-16 20:59:53,348 INFO L276 IsEmpty]: Start isEmpty. Operand 6958 states and 9903 transitions. [2024-11-16 20:59:53,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-16 20:59:53,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:59:53,361 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:59:53,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 20:59:53,361 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:59:53,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:59:53,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1315206304, now seen corresponding path program 1 times [2024-11-16 20:59:53,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:59:53,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509655891] [2024-11-16 20:59:53,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:59:53,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:59:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:59:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 20:59:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:59:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:59:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 20:59:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 20:59:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:59:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 20:59:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 20:59:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:59:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 20:59:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 20:59:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:59:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 20:59:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 20:59:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 20:59:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 20:59:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 20:59:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 20:59:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 20:59:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 20:59:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 20:59:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 20:59:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:59:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-16 20:59:53,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:59:53,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509655891] [2024-11-16 20:59:53,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509655891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:59:53,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:59:53,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 20:59:53,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415289529] [2024-11-16 20:59:53,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:59:53,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 20:59:53,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:59:53,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 20:59:53,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-16 20:59:53,836 INFO L87 Difference]: Start difference. First operand 6958 states and 9903 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-16 20:59:57,854 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 [] [2024-11-16 21:00:01,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:00:05,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:00:09,883 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 []