./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 c7c6ca5d 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-?-c7c6ca5-m [2024-11-09 04:15:57,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:15:57,188 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 04:15:57,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:15:57,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:15:57,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:15:57,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:15:57,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:15:57,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 04:15:57,213 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 04:15:57,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:15:57,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:15:57,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 04:15:57,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 04:15:57,215 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 04:15:57,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:15:57,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:15:57,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:15:57,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:15:57,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:15:57,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:15:57,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:15:57,220 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:15:57,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:15:57,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:15:57,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:15:57,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:15:57,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:15:57,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:15:57,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:15:57,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:15:57,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:15:57,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:15:57,227 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 04:15:57,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:15:57,228 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:15:57,228 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 04:15:57,228 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 04:15:57,228 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:15:57,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b [2024-11-09 04:15:57,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:15:57,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:15:57,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:15:57,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:15:57,554 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:15:57,555 INFO L431 ainManager$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 [2024-11-09 04:15:59,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:15:59,579 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:15:59,580 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 [2024-11-09 04:15:59,624 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50491281f/5d8b84048b3a4d5f8639490e218aa546/FLAG230dbe573 [2024-11-09 04:15:59,639 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50491281f/5d8b84048b3a4d5f8639490e218aa546 [2024-11-09 04:15:59,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:15:59,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:15:59,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:15:59,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:15:59,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:15:59,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:15:59" (1/1) ... [2024-11-09 04:15:59,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2105b356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:15:59, skipping insertion in model container [2024-11-09 04:15:59,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:15:59" (1/1) ... [2024-11-09 04:15:59,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:16:00,769 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] [2024-11-09 04:16:01,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:16:01,297 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:16:01,416 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] [2024-11-09 04:16:01,425 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] [2024-11-09 04:16:01,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:16:01,732 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:16:01,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01 WrapperNode [2024-11-09 04:16:01,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:16:01,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:16:01,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:16:01,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:16:01,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (1/1) ... [2024-11-09 04:16:01,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (1/1) ... [2024-11-09 04:16:01,891 INFO L138 Inliner]: procedures = 156, calls = 736, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1722 [2024-11-09 04:16:01,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:16:01,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:16:01,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:16:01,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:16:01,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (1/1) ... [2024-11-09 04:16:01,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (1/1) ... [2024-11-09 04:16:01,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (1/1) ... [2024-11-09 04:16:02,205 INFO L175 MemorySlicer]: Split 256 memory accesses to 7 slices as follows [2, 44, 17, 3, 6, 26, 158]. 62 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [2, 0, 0, 0, 6, 26, 0]. The 114 writes are split as follows [0, 44, 17, 2, 0, 0, 51]. [2024-11-09 04:16:02,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (1/1) ... [2024-11-09 04:16:02,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (1/1) ... [2024-11-09 04:16:02,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (1/1) ... [2024-11-09 04:16:02,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (1/1) ... [2024-11-09 04:16:02,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (1/1) ... [2024-11-09 04:16:02,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (1/1) ... [2024-11-09 04:16:02,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:16:02,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:16:02,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:16:02,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:16:02,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (1/1) ... [2024-11-09 04:16:02,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:16:02,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:16:02,450 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) [2024-11-09 04:16:02,475 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 [2024-11-09 04:16:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2024-11-09 04:16:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2024-11-09 04:16:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2024-11-09 04:16:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2024-11-09 04:16:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2024-11-09 04:16:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2024-11-09 04:16:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 04:16:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 04:16:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 04:16:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 04:16:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 04:16:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 04:16:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 04:16:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-09 04:16:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-09 04:16:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-11-09 04:16:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-11-09 04:16:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2024-11-09 04:16:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2024-11-09 04:16:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-09 04:16:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-09 04:16:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-09 04:16:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-09 04:16:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-09 04:16:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-09 04:16:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-09 04:16:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 04:16:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 04:16:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 04:16:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 04:16:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 04:16:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 04:16:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 04:16:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 04:16:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 04:16:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 04:16:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 04:16:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 04:16:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 04:16:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 04:16:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 04:16:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 04:16:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2024-11-09 04:16:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2024-11-09 04:16:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2024-11-09 04:16:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2024-11-09 04:16:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-09 04:16:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-09 04:16:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2024-11-09 04:16:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2024-11-09 04:16:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-09 04:16:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-09 04:16:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-09 04:16:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-09 04:16:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-09 04:16:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-09 04:16:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-09 04:16:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-09 04:16:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-09 04:16:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-09 04:16:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-09 04:16:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-09 04:16:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-09 04:16:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-09 04:16:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-09 04:16:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-09 04:16:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 04:16:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 04:16:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-09 04:16:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-09 04:16:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2024-11-09 04:16:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2024-11-09 04:16:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2024-11-09 04:16:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2024-11-09 04:16:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-09 04:16:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-09 04:16:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2024-11-09 04:16:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2024-11-09 04:16:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2024-11-09 04:16:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2024-11-09 04:16:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 04:16:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 04:16:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 04:16:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 04:16:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 04:16:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 04:16:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 04:16:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 04:16:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 04:16:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 04:16:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 04:16:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 04:16:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 04:16:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2024-11-09 04:16:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2024-11-09 04:16:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2024-11-09 04:16:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2024-11-09 04:16:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:16:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:16:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2024-11-09 04:16:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2024-11-09 04:16:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:16:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-09 04:16:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-09 04:16:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-11-09 04:16:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-11-09 04:16:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-09 04:16:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-09 04:16:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2024-11-09 04:16:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2024-11-09 04:16:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:16:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2024-11-09 04:16:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2024-11-09 04:16:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2024-11-09 04:16:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2024-11-09 04:16:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-09 04:16:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-09 04:16:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:16:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 04:16:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 04:16:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 04:16:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 04:16:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 04:16:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 04:16:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 04:16:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2024-11-09 04:16:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2024-11-09 04:16:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 04:16:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 04:16:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2024-11-09 04:16:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2024-11-09 04:16:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 04:16:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 04:16:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 04:16:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 04:16:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 04:16:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 04:16:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 04:16:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-09 04:16:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-09 04:16:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-09 04:16:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-09 04:16:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2024-11-09 04:16:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2024-11-09 04:16:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2024-11-09 04:16:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2024-11-09 04:16:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-09 04:16:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-09 04:16:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2024-11-09 04:16:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2024-11-09 04:16:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-09 04:16:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-09 04:16:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:16:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2024-11-09 04:16:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2024-11-09 04:16:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 04:16:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 04:16:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2024-11-09 04:16:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2024-11-09 04:16:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 04:16:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 04:16:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 04:16:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 04:16:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-09 04:16:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-09 04:16:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2024-11-09 04:16:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2024-11-09 04:16:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2024-11-09 04:16:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2024-11-09 04:16:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-09 04:16:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-09 04:16:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 04:16:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 04:16:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-09 04:16:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-09 04:16:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2024-11-09 04:16:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2024-11-09 04:16:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:16:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:16:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2024-11-09 04:16:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2024-11-09 04:16:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2024-11-09 04:16:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2024-11-09 04:16:03,215 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:16:03,219 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:16:03,428 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 04:16:04,270 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-09 04:16:09,763 INFO L? ?]: Removed 873 outVars from TransFormulas that were not future-live. [2024-11-09 04:16:09,763 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:16:09,813 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:16:09,815 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:16:09,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:16:09 BoogieIcfgContainer [2024-11-09 04:16:09,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:16:09,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:16:09,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:16:09,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:16:09,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:15:59" (1/3) ... [2024-11-09 04:16:09,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a031e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:16:09, skipping insertion in model container [2024-11-09 04:16:09,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:01" (2/3) ... [2024-11-09 04:16:09,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a031e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:16:09, skipping insertion in model container [2024-11-09 04:16:09,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:16:09" (3/3) ... [2024-11-09 04:16:09,828 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-09 04:16:09,848 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:16:09,848 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:16:09,973 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:16:09,980 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;@1d07aefc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:16:09,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:16:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 892 states, 635 states have (on average 1.373228346456693) internal successors, (872), 659 states have internal predecessors, (872), 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) [2024-11-09 04:16:10,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 04:16:10,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:16:10,016 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] [2024-11-09 04:16:10,017 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:16:10,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:16:10,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1381869314, now seen corresponding path program 1 times [2024-11-09 04:16:10,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:16:10,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564249520] [2024-11-09 04:16:10,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:16:10,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:16:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:11,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:16:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:11,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:16:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:11,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:16:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:11,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:16:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:11,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 04:16:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:11,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 04:16:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:11,379 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 04:16:11,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:16:11,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564249520] [2024-11-09 04:16:11,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564249520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:16:11,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:16:11,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:16:11,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314431734] [2024-11-09 04:16:11,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:16:11,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:16:11,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:16:11,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:16:11,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:16:11,430 INFO L87 Difference]: Start difference. First operand has 892 states, 635 states have (on average 1.373228346456693) internal successors, (872), 659 states have internal predecessors, (872), 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 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-09 04:16:15,468 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 [] [2024-11-09 04:16:19,484 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 [] [2024-11-09 04:16:24,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:16:24,244 INFO L93 Difference]: Finished difference Result 2717 states and 3928 transitions. [2024-11-09 04:16:24,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:16:24,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 56 [2024-11-09 04:16:24,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:16:24,301 INFO L225 Difference]: With dead ends: 2717 [2024-11-09 04:16:24,301 INFO L226 Difference]: Without dead ends: 1808 [2024-11-09 04:16:24,313 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 [2024-11-09 04:16:24,316 INFO L432 NwaCegarLoop]: 674 mSDtfsCounter, 1886 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 597 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 1606 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 597 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:16:24,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 1606 Invalid, 2127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [597 Valid, 1528 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2024-11-09 04:16:24,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2024-11-09 04:16:24,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1694. [2024-11-09 04:16:24,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1694 states, 1215 states have (on average 1.3530864197530865) internal successors, (1644), 1242 states have internal predecessors, (1644), 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) [2024-11-09 04:16:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2379 transitions. [2024-11-09 04:16:24,525 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2379 transitions. Word has length 56 [2024-11-09 04:16:24,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:16:24,528 INFO L471 AbstractCegarLoop]: Abstraction has 1694 states and 2379 transitions. [2024-11-09 04:16:24,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-09 04:16:24,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2379 transitions. [2024-11-09 04:16:24,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 04:16:24,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:16:24,538 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] [2024-11-09 04:16:24,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:16:24,538 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:16:24,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:16:24,539 INFO L85 PathProgramCache]: Analyzing trace with hash 310822282, now seen corresponding path program 1 times [2024-11-09 04:16:24,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:16:24,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407179140] [2024-11-09 04:16:24,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:16:24,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:16:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:25,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:16:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:25,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:16:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:25,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:16:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:25,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:16:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:25,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 04:16:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:25,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 04:16:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 04:16:25,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:16:25,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407179140] [2024-11-09 04:16:25,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407179140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:16:25,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:16:25,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:16:25,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581689708] [2024-11-09 04:16:25,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:16:25,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:16:25,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:16:25,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:16:25,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:16:25,592 INFO L87 Difference]: Start difference. First operand 1694 states and 2379 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-09 04:16:29,609 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 [] [2024-11-09 04:16:33,637 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 [] [2024-11-09 04:16:37,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:16:37,734 INFO L93 Difference]: Finished difference Result 5443 states and 7803 transitions. [2024-11-09 04:16:37,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:16:37,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 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 59 [2024-11-09 04:16:37,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:16:37,767 INFO L225 Difference]: With dead ends: 5443 [2024-11-09 04:16:37,767 INFO L226 Difference]: Without dead ends: 3764 [2024-11-09 04:16:37,780 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 [2024-11-09 04:16:37,782 INFO L432 NwaCegarLoop]: 666 mSDtfsCounter, 2049 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 677 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 1995 SdHoareTripleChecker+Invalid, 2513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:16:37,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2208 Valid, 1995 Invalid, 2513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 1834 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2024-11-09 04:16:37,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3764 states. [2024-11-09 04:16:37,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3764 to 3432. [2024-11-09 04:16:37,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3432 states, 2463 states have (on average 1.3503857084855866) internal successors, (3326), 2513 states have internal predecessors, (3326), 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) [2024-11-09 04:16:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 3432 states and 4861 transitions. [2024-11-09 04:16:38,020 INFO L78 Accepts]: Start accepts. Automaton has 3432 states and 4861 transitions. Word has length 59 [2024-11-09 04:16:38,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:16:38,022 INFO L471 AbstractCegarLoop]: Abstraction has 3432 states and 4861 transitions. [2024-11-09 04:16:38,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-09 04:16:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3432 states and 4861 transitions. [2024-11-09 04:16:38,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 04:16:38,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:16:38,027 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] [2024-11-09 04:16:38,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:16:38,027 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:16:38,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:16:38,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1045074158, now seen corresponding path program 1 times [2024-11-09 04:16:38,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:16:38,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100929064] [2024-11-09 04:16:38,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:16:38,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:16:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:38,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:16:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:38,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:16:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:38,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:16:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:38,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:16:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:38,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 04:16:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:38,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 04:16:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 04:16:39,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:16:39,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100929064] [2024-11-09 04:16:39,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100929064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:16:39,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:16:39,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:16:39,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501583926] [2024-11-09 04:16:39,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:16:39,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:16:39,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:16:39,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:16:39,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:16:39,007 INFO L87 Difference]: Start difference. First operand 3432 states and 4861 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-09 04:16:43,023 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 [] [2024-11-09 04:16:47,030 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 [] [2024-11-09 04:16:52,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:16:52,315 INFO L93 Difference]: Finished difference Result 10901 states and 15779 transitions. [2024-11-09 04:16:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:16:52,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 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 60 [2024-11-09 04:16:52,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:16:52,378 INFO L225 Difference]: With dead ends: 10901 [2024-11-09 04:16:52,378 INFO L226 Difference]: Without dead ends: 7484 [2024-11-09 04:16:52,399 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 [2024-11-09 04:16:52,402 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 2035 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 1882 mSolverCounterSat, 658 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2201 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 658 IncrementalHoareTripleChecker+Valid, 1882 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:16:52,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2201 Valid, 2061 Invalid, 2542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [658 Valid, 1882 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2024-11-09 04:16:52,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7484 states. [2024-11-09 04:16:52,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7484 to 6901. [2024-11-09 04:16:52,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6901 states, 4952 states have (on average 1.3469305331179322) internal successors, (6670), 5048 states have internal predecessors, (6670), 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) [2024-11-09 04:16:52,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6901 states to 6901 states and 9853 transitions. [2024-11-09 04:16:52,886 INFO L78 Accepts]: Start accepts. Automaton has 6901 states and 9853 transitions. Word has length 60 [2024-11-09 04:16:52,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:16:52,887 INFO L471 AbstractCegarLoop]: Abstraction has 6901 states and 9853 transitions. [2024-11-09 04:16:52,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-09 04:16:52,888 INFO L276 IsEmpty]: Start isEmpty. Operand 6901 states and 9853 transitions. [2024-11-09 04:16:52,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 04:16:52,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:16:52,890 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] [2024-11-09 04:16:52,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:16:52,891 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:16:52,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:16:52,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1962916595, now seen corresponding path program 1 times [2024-11-09 04:16:52,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:16:52,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925510499] [2024-11-09 04:16:52,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:16:52,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:16:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:53,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:16:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:53,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:16:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:53,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:16:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:53,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:16:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:53,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 04:16:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:53,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 04:16:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:16:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 04:16:53,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:16:53,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925510499] [2024-11-09 04:16:53,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925510499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:16:53,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:16:53,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:16:53,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679102046] [2024-11-09 04:16:53,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:16:53,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:16:53,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:16:53,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:16:53,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:16:53,505 INFO L87 Difference]: Start difference. First operand 6901 states and 9853 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) [2024-11-09 04:16:57,526 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 [] [2024-11-09 04:17:01,546 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 [] [2024-11-09 04:17:05,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:17:05,462 INFO L93 Difference]: Finished difference Result 7482 states and 10768 transitions. [2024-11-09 04:17:05,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:17:05,463 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 [2024-11-09 04:17:05,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:17:05,512 INFO L225 Difference]: With dead ends: 7482 [2024-11-09 04:17:05,512 INFO L226 Difference]: Without dead ends: 7479 [2024-11-09 04:17:05,519 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 [2024-11-09 04:17:05,520 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 2029 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 653 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2192 SdHoareTripleChecker+Valid, 2071 SdHoareTripleChecker+Invalid, 2528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 653 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:17:05,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2192 Valid, 2071 Invalid, 2528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [653 Valid, 1873 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-11-09 04:17:05,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7479 states. [2024-11-09 04:17:05,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7479 to 6902. [2024-11-09 04:17:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6902 states, 4953 states have (on average 1.346860488592772) internal successors, (6671), 5049 states have internal predecessors, (6671), 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) [2024-11-09 04:17:05,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6902 states to 6902 states and 9854 transitions. [2024-11-09 04:17:05,964 INFO L78 Accepts]: Start accepts. Automaton has 6902 states and 9854 transitions. Word has length 61 [2024-11-09 04:17:05,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:17:05,965 INFO L471 AbstractCegarLoop]: Abstraction has 6902 states and 9854 transitions. [2024-11-09 04:17:05,965 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) [2024-11-09 04:17:05,965 INFO L276 IsEmpty]: Start isEmpty. Operand 6902 states and 9854 transitions. [2024-11-09 04:17:05,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 04:17:05,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:17:05,970 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] [2024-11-09 04:17:05,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:17:05,970 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:17:05,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:17:05,971 INFO L85 PathProgramCache]: Analyzing trace with hash -721344559, now seen corresponding path program 1 times [2024-11-09 04:17:05,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:17:05,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789409523] [2024-11-09 04:17:05,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:17:05,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:17:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:06,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:17:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:06,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:17:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:06,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:17:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:06,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:17:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:06,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 04:17:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:06,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 04:17:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 04:17:06,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:17:06,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789409523] [2024-11-09 04:17:06,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789409523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:17:06,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:17:06,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:17:06,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147856373] [2024-11-09 04:17:06,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:17:06,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:17:06,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:17:06,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:17:06,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:17:06,536 INFO L87 Difference]: Start difference. First operand 6902 states and 9854 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) [2024-11-09 04:17:10,566 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 [] [2024-11-09 04:17:14,577 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 [] [2024-11-09 04:17:17,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:17:17,142 INFO L93 Difference]: Finished difference Result 7478 states and 10764 transitions. [2024-11-09 04:17:17,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:17:17,143 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 [2024-11-09 04:17:17,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:17:17,223 INFO L225 Difference]: With dead ends: 7478 [2024-11-09 04:17:17,223 INFO L226 Difference]: Without dead ends: 7475 [2024-11-09 04:17:17,234 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 [2024-11-09 04:17:17,235 INFO L432 NwaCegarLoop]: 603 mSDtfsCounter, 1952 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 738 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 738 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:17:17,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 1014 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [738 Valid, 881 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2024-11-09 04:17:17,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7475 states. [2024-11-09 04:17:17,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7475 to 6901. [2024-11-09 04:17:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6901 states, 4953 states have (on average 1.346658590753079) internal successors, (6670), 5048 states have internal predecessors, (6670), 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) [2024-11-09 04:17:17,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6901 states to 6901 states and 9852 transitions. [2024-11-09 04:17:17,734 INFO L78 Accepts]: Start accepts. Automaton has 6901 states and 9852 transitions. Word has length 62 [2024-11-09 04:17:17,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:17:17,735 INFO L471 AbstractCegarLoop]: Abstraction has 6901 states and 9852 transitions. [2024-11-09 04:17:17,736 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) [2024-11-09 04:17:17,736 INFO L276 IsEmpty]: Start isEmpty. Operand 6901 states and 9852 transitions. [2024-11-09 04:17:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 04:17:17,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:17:17,740 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] [2024-11-09 04:17:17,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:17:17,740 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:17:17,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:17:17,741 INFO L85 PathProgramCache]: Analyzing trace with hash -887312240, now seen corresponding path program 1 times [2024-11-09 04:17:17,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:17:17,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173271047] [2024-11-09 04:17:17,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:17:17,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:17:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:18,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:17:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:18,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:17:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:18,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:17:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:18,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:17:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:18,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 04:17:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:18,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 04:17:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:17:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 04:17:18,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:17:18,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173271047] [2024-11-09 04:17:18,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173271047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:17:18,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:17:18,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:17:18,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139394056] [2024-11-09 04:17:18,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:17:18,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:17:18,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:17:18,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:17:18,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:17:18,354 INFO L87 Difference]: Start difference. First operand 6901 states and 9852 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)