./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.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 d6a36286e10ea43dd9b822762f3f2df49a2903c1188868a0fefb608a216bfe78 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:45:01,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:45:01,618 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:45:01,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:45:01,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:45:01,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:45:01,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:45:01,653 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:45:01,653 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:45:01,654 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:45:01,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:45:01,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:45:01,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:45:01,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:45:01,658 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:45:01,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:45:01,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:45:01,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:45:01,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:45:01,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:45:01,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:45:01,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:45:01,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:45:01,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:45:01,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:45:01,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:45:01,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:45:01,665 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:45:01,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:45:01,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:45:01,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:45:01,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:45:01,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:45:01,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:45:01,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:45:01,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:45:01,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:45:01,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:45:01,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:45:01,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6a36286e10ea43dd9b822762f3f2df49a2903c1188868a0fefb608a216bfe78 [2024-10-24 13:45:01,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:45:02,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:45:02,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:45:02,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:45:02,012 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:45:02,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2024-10-24 13:45:03,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:45:04,034 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:45:04,035 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2024-10-24 13:45:04,078 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f7c36c42/9c465b51ca9a4e638508f21982bc4bb0/FLAGd3f75fd05 [2024-10-24 13:45:04,577 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f7c36c42/9c465b51ca9a4e638508f21982bc4bb0 [2024-10-24 13:45:04,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:45:04,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:45:04,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:45:04,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:45:04,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:45:04,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:45:04" (1/1) ... [2024-10-24 13:45:04,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e2ab371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:04, skipping insertion in model container [2024-10-24 13:45:04,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:45:04" (1/1) ... [2024-10-24 13:45:04,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:45:05,169 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3846] [2024-10-24 13:45:05,169 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3847-3848] [2024-10-24 13:45:05,469 WARN L248 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i[114996,115009] [2024-10-24 13:45:06,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:45:06,399 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:45:06,496 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3846] [2024-10-24 13:45:06,497 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3847-3848] [2024-10-24 13:45:06,505 WARN L248 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i[114996,115009] [2024-10-24 13:45:06,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:45:06,740 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:45:06,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06 WrapperNode [2024-10-24 13:45:06,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:45:06,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:45:06,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:45:06,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:45:06,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (1/1) ... [2024-10-24 13:45:06,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (1/1) ... [2024-10-24 13:45:06,948 INFO L138 Inliner]: procedures = 157, calls = 2028, calls flagged for inlining = 60, calls inlined = 53, statements flattened = 3615 [2024-10-24 13:45:06,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:45:06,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:45:06,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:45:06,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:45:06,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (1/1) ... [2024-10-24 13:45:06,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (1/1) ... [2024-10-24 13:45:06,990 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (1/1) ... [2024-10-24 13:45:07,347 INFO L175 MemorySlicer]: Split 1392 memory accesses to 18 slices as follows [2, 7, 3, 1022, 119, 7, 1, 2, 7, 2, 7, 6, 70, 2, 7, 2, 119, 7]. 73 percent of accesses are in the largest equivalence class. The 1079 initializations are split as follows [2, 7, 0, 839, 0, 7, 0, 0, 7, 2, 6, 4, 70, 2, 7, 0, 119, 7]. The 157 writes are split as follows [0, 0, 1, 53, 102, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0]. [2024-10-24 13:45:07,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (1/1) ... [2024-10-24 13:45:07,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (1/1) ... [2024-10-24 13:45:07,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (1/1) ... [2024-10-24 13:45:07,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (1/1) ... [2024-10-24 13:45:07,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (1/1) ... [2024-10-24 13:45:07,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (1/1) ... [2024-10-24 13:45:07,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:45:07,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:45:07,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:45:07,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:45:07,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (1/1) ... [2024-10-24 13:45:07,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:45:07,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:45:07,594 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) [2024-10-24 13:45:07,601 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 [2024-10-24 13:45:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-24 13:45:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-24 13:45:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 13:45:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 13:45:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 13:45:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 13:45:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 13:45:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 13:45:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-24 13:45:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-24 13:45:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-24 13:45:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-24 13:45:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-24 13:45:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-24 13:45:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-24 13:45:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-24 13:45:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-24 13:45:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-24 13:45:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-24 13:45:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-24 13:45:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-10-24 13:45:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-10-24 13:45:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_tiocmget [2024-10-24 13:45:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_tiocmget [2024-10-24 13:45:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2024-10-24 13:45:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2024-10-24 13:45:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-24 13:45:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-24 13:45:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-24 13:45:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-24 13:45:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-24 13:45:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-24 13:45:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-24 13:45:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-24 13:45:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-24 13:45:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-24 13:45:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-24 13:45:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-24 13:45:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-24 13:45:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-24 13:45:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-24 13:45:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-24 13:45:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-24 13:45:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-24 13:45:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-24 13:45:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-24 13:45:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-24 13:45:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-24 13:45:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-24 13:45:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-24 13:45:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 13:45:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 13:45:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-10-24 13:45:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 13:45:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 13:45:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 13:45:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 13:45:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-24 13:45:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_calc_interface [2024-10-24 13:45:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_calc_interface [2024-10-24 13:45:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2024-10-24 13:45:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2024-10-24 13:45:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_resume [2024-10-24 13:45:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_resume [2024-10-24 13:45:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-24 13:45:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-24 13:45:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-24 13:45:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-24 13:45:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 13:45:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 13:45:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_close [2024-10-24 13:45:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_close [2024-10-24 13:45:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-10-24 13:45:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-10-24 13:45:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-24 13:45:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-24 13:45:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_write [2024-10-24 13:45:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_write [2024-10-24 13:45:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_submit_rx_urbs [2024-10-24 13:45:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_submit_rx_urbs [2024-10-24 13:45:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_port_probe [2024-10-24 13:45:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_port_probe [2024-10-24 13:45:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_send_setup [2024-10-24 13:45:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_send_setup [2024-10-24 13:45:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-10-24 13:45:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-10-24 13:45:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 13:45:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 13:45:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-10-24 13:45:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-10-24 13:45:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2024-10-24 13:45:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2024-10-24 13:45:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:45:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:45:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:45:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:45:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:45:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:45:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:45:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:45:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:45:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 13:45:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 13:45:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 13:45:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 13:45:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 13:45:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 13:45:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 13:45:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 13:45:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-24 13:45:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-10-24 13:45:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-10-24 13:45:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:45:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:45:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-10-24 13:45:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-10-24 13:45:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-24 13:45:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-24 13:45:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 13:45:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 13:45:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 13:45:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 13:45:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 13:45:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 13:45:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 13:45:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 13:45:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-24 13:45:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-24 13:45:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-24 13:45:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-24 13:45:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-24 13:45:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-24 13:45:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-24 13:45:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-24 13:45:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-24 13:45:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-24 13:45:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-10-24 13:45:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-10-24 13:45:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-24 13:45:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-24 13:45:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-10-24 13:45:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-10-24 13:45:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2024-10-24 13:45:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2024-10-24 13:45:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:45:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:45:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2024-10-24 13:45:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2024-10-24 13:45:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:45:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2024-10-24 13:45:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2024-10-24 13:45:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-24 13:45:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-24 13:45:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:45:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:45:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:45:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:45:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:45:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:45:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:45:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:45:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:45:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:45:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:45:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 13:45:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 13:45:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 13:45:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 13:45:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 13:45:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 13:45:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 13:45:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-24 13:45:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-24 13:45:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_dtr_rts [2024-10-24 13:45:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_dtr_rts [2024-10-24 13:45:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-24 13:45:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-24 13:45:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:45:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:45:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:45:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-24 13:45:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-10-24 13:45:07,799 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-10-24 13:45:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_chars_in_buffer [2024-10-24 13:45:07,799 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_chars_in_buffer [2024-10-24 13:45:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-24 13:45:07,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-24 13:45:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-10-24 13:45:07,799 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-10-24 13:45:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 13:45:07,799 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 13:45:07,800 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-10-24 13:45:07,800 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-10-24 13:45:07,800 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_write_room [2024-10-24 13:45:07,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_write_room [2024-10-24 13:45:07,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:45:07,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:45:07,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:45:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:45:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:45:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:45:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:45:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:45:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:45:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:45:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 13:45:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 13:45:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 13:45:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 13:45:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 13:45:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 13:45:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 13:45:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-24 13:45:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-24 13:45:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_instat_callback [2024-10-24 13:45:07,803 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_instat_callback [2024-10-24 13:45:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_stop_rx_urbs [2024-10-24 13:45:07,803 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_stop_rx_urbs [2024-10-24 13:45:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-24 13:45:07,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-24 13:45:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-24 13:45:07,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-24 13:45:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-24 13:45:07,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-24 13:45:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_port_remove [2024-10-24 13:45:07,804 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_port_remove [2024-10-24 13:45:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-24 13:45:07,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-24 13:45:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_calc_num_ports [2024-10-24 13:45:07,804 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_calc_num_ports [2024-10-24 13:45:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-10-24 13:45:07,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-10-24 13:45:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_tiocmset [2024-10-24 13:45:07,804 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_tiocmset [2024-10-24 13:45:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_release_urb [2024-10-24 13:45:07,804 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_release_urb [2024-10-24 13:45:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-24 13:45:07,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-24 13:45:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:45:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 13:45:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-24 13:45:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_open [2024-10-24 13:45:07,806 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_open [2024-10-24 13:45:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2024-10-24 13:45:07,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2024-10-24 13:45:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2024-10-24 13:45:07,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2024-10-24 13:45:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-10-24 13:45:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-10-24 13:45:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_suspend [2024-10-24 13:45:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_suspend [2024-10-24 13:45:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-24 13:45:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-24 13:45:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-24 13:45:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-24 13:45:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-24 13:45:07,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-24 13:45:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:45:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:45:08,398 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:45:08,402 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:45:08,545 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 13:45:12,046 INFO L? ?]: Removed 867 outVars from TransFormulas that were not future-live. [2024-10-24 13:45:12,046 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:45:12,264 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:45:12,264 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 13:45:12,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:45:12 BoogieIcfgContainer [2024-10-24 13:45:12,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:45:12,269 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:45:12,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:45:12,273 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:45:12,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:45:04" (1/3) ... [2024-10-24 13:45:12,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337940ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:45:12, skipping insertion in model container [2024-10-24 13:45:12,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:06" (2/3) ... [2024-10-24 13:45:12,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337940ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:45:12, skipping insertion in model container [2024-10-24 13:45:12,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:45:12" (3/3) ... [2024-10-24 13:45:12,277 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2024-10-24 13:45:12,294 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:45:12,295 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:45:12,398 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:45:12,405 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;@2b409259, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:45:12,406 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:45:12,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 948 states, 626 states have (on average 1.3881789137380192) internal successors, (869), 639 states have internal predecessors, (869), 259 states have call successors, (259), 62 states have call predecessors, (259), 61 states have return successors, (256), 254 states have call predecessors, (256), 256 states have call successors, (256) [2024-10-24 13:45:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-24 13:45:12,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:12,427 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:45:12,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:12,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:12,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1953732888, now seen corresponding path program 1 times [2024-10-24 13:45:12,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:12,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028740861] [2024-10-24 13:45:12,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:12,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:13,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:13,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:13,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:13,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:45:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 13:45:13,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:13,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028740861] [2024-10-24 13:45:13,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028740861] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:13,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:13,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:45:13,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482552318] [2024-10-24 13:45:13,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:13,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:45:13,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:13,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:45:13,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:45:13,342 INFO L87 Difference]: Start difference. First operand has 948 states, 626 states have (on average 1.3881789137380192) internal successors, (869), 639 states have internal predecessors, (869), 259 states have call successors, (259), 62 states have call predecessors, (259), 61 states have return successors, (256), 254 states have call predecessors, (256), 256 states have call successors, (256) Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 13:45:17,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:17,584 INFO L93 Difference]: Finished difference Result 1999 states and 3001 transitions. [2024-10-24 13:45:17,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:45:17,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2024-10-24 13:45:17,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:17,610 INFO L225 Difference]: With dead ends: 1999 [2024-10-24 13:45:17,611 INFO L226 Difference]: Without dead ends: 1042 [2024-10-24 13:45:17,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:45:17,624 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 1038 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 2806 mSolverCounterSat, 514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 1322 SdHoareTripleChecker+Invalid, 3320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 2806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:17,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 1322 Invalid, 3320 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [514 Valid, 2806 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-24 13:45:17,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2024-10-24 13:45:17,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 966. [2024-10-24 13:45:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 646 states have (on average 1.3730650154798762) internal successors, (887), 654 states have internal predecessors, (887), 257 states have call successors, (257), 63 states have call predecessors, (257), 62 states have return successors, (256), 254 states have call predecessors, (256), 256 states have call successors, (256) [2024-10-24 13:45:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1400 transitions. [2024-10-24 13:45:17,777 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1400 transitions. Word has length 41 [2024-10-24 13:45:17,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:17,780 INFO L471 AbstractCegarLoop]: Abstraction has 966 states and 1400 transitions. [2024-10-24 13:45:17,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 13:45:17,780 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1400 transitions. [2024-10-24 13:45:17,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 13:45:17,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:17,784 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:45:17,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:45:17,785 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:17,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:17,785 INFO L85 PathProgramCache]: Analyzing trace with hash 538868576, now seen corresponding path program 1 times [2024-10-24 13:45:17,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:17,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288259380] [2024-10-24 13:45:17,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:17,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:18,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:18,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:18,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:18,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:45:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:18,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:45:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:18,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:45:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:18,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:45:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:18,414 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 13:45:18,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:18,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288259380] [2024-10-24 13:45:18,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288259380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:18,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:18,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:45:18,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495998060] [2024-10-24 13:45:18,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:18,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:45:18,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:18,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:45:18,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:45:18,418 INFO L87 Difference]: Start difference. First operand 966 states and 1400 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 13:45:23,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:23,022 INFO L93 Difference]: Finished difference Result 2327 states and 3406 transitions. [2024-10-24 13:45:23,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:45:23,022 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), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2024-10-24 13:45:23,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:23,035 INFO L225 Difference]: With dead ends: 2327 [2024-10-24 13:45:23,035 INFO L226 Difference]: Without dead ends: 1383 [2024-10-24 13:45:23,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:45:23,041 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 1679 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 2993 mSolverCounterSat, 786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1832 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 3779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 786 IncrementalHoareTripleChecker+Valid, 2993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:23,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1832 Valid, 1176 Invalid, 3779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [786 Valid, 2993 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-10-24 13:45:23,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2024-10-24 13:45:23,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1287. [2024-10-24 13:45:23,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1287 states, 901 states have (on average 1.3518312985571588) internal successors, (1218), 909 states have internal predecessors, (1218), 295 states have call successors, (295), 91 states have call predecessors, (295), 90 states have return successors, (294), 292 states have call predecessors, (294), 294 states have call successors, (294) [2024-10-24 13:45:23,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1807 transitions. [2024-10-24 13:45:23,122 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1807 transitions. Word has length 68 [2024-10-24 13:45:23,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:23,123 INFO L471 AbstractCegarLoop]: Abstraction has 1287 states and 1807 transitions. [2024-10-24 13:45:23,123 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), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 13:45:23,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1807 transitions. [2024-10-24 13:45:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 13:45:23,128 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:23,128 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:45:23,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:45:23,129 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:23,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:23,129 INFO L85 PathProgramCache]: Analyzing trace with hash 305784740, now seen corresponding path program 1 times [2024-10-24 13:45:23,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:23,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210932837] [2024-10-24 13:45:23,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:23,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:45:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:45:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:45:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:45:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:23,534 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-24 13:45:23,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:23,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210932837] [2024-10-24 13:45:23,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210932837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:23,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:23,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:45:23,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069837107] [2024-10-24 13:45:23,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:23,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:45:23,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:23,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:45:23,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:45:23,539 INFO L87 Difference]: Start difference. First operand 1287 states and 1807 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, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-24 13:45:27,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:27,282 INFO L93 Difference]: Finished difference Result 1385 states and 1968 transitions. [2024-10-24 13:45:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:45:27,283 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, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 70 [2024-10-24 13:45:27,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:27,293 INFO L225 Difference]: With dead ends: 1385 [2024-10-24 13:45:27,293 INFO L226 Difference]: Without dead ends: 1382 [2024-10-24 13:45:27,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:45:27,297 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 974 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 2594 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 3089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 2594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:27,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 1513 Invalid, 3089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 2594 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-24 13:45:27,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2024-10-24 13:45:27,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1289. [2024-10-24 13:45:27,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 903 states have (on average 1.3510520487264672) internal successors, (1220), 911 states have internal predecessors, (1220), 295 states have call successors, (295), 91 states have call predecessors, (295), 90 states have return successors, (294), 292 states have call predecessors, (294), 294 states have call successors, (294) [2024-10-24 13:45:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1809 transitions. [2024-10-24 13:45:27,399 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1809 transitions. Word has length 70 [2024-10-24 13:45:27,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:27,402 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1809 transitions. [2024-10-24 13:45:27,402 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, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-24 13:45:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1809 transitions. [2024-10-24 13:45:27,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-24 13:45:27,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:27,408 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:45:27,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:45:27,409 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:27,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:27,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1796449080, now seen corresponding path program 1 times [2024-10-24 13:45:27,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:27,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171995582] [2024-10-24 13:45:27,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:27,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:27,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:27,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:27,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:45:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:27,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:45:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:27,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:45:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:27,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:45:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:27,960 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-24 13:45:27,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:27,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171995582] [2024-10-24 13:45:27,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171995582] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:27,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:27,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:45:27,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150503982] [2024-10-24 13:45:27,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:27,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:45:27,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:27,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:45:27,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:45:27,964 INFO L87 Difference]: Start difference. First operand 1289 states and 1809 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-24 13:45:32,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:32,219 INFO L93 Difference]: Finished difference Result 2752 states and 3904 transitions. [2024-10-24 13:45:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:45:32,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 72 [2024-10-24 13:45:32,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:32,229 INFO L225 Difference]: With dead ends: 2752 [2024-10-24 13:45:32,230 INFO L226 Difference]: Without dead ends: 1485 [2024-10-24 13:45:32,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:45:32,236 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 1831 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 3051 mSolverCounterSat, 1037 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1934 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 4088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1037 IncrementalHoareTripleChecker+Valid, 3051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:32,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1934 Valid, 1509 Invalid, 4088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1037 Valid, 3051 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-24 13:45:32,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2024-10-24 13:45:32,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1380. [2024-10-24 13:45:32,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 959 states have (on average 1.3430656934306568) internal successors, (1288), 968 states have internal predecessors, (1288), 315 states have call successors, (315), 106 states have call predecessors, (315), 105 states have return successors, (314), 311 states have call predecessors, (314), 314 states have call successors, (314) [2024-10-24 13:45:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1917 transitions. [2024-10-24 13:45:32,309 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1917 transitions. Word has length 72 [2024-10-24 13:45:32,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:32,310 INFO L471 AbstractCegarLoop]: Abstraction has 1380 states and 1917 transitions. [2024-10-24 13:45:32,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-24 13:45:32,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1917 transitions. [2024-10-24 13:45:32,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-24 13:45:32,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:32,317 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:45:32,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 13:45:32,317 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:32,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:32,318 INFO L85 PathProgramCache]: Analyzing trace with hash -175970818, now seen corresponding path program 1 times [2024-10-24 13:45:32,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:32,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353906731] [2024-10-24 13:45:32,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:32,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:45:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:45:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:45:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:45:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:45:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:45:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:45:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 13:45:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:45:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 13:45:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 13:45:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 13:45:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:32,960 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-24 13:45:32,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:32,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353906731] [2024-10-24 13:45:32,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353906731] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:32,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:32,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 13:45:32,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724622320] [2024-10-24 13:45:32,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:32,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:45:32,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:32,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:45:32,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:45:32,964 INFO L87 Difference]: Start difference. First operand 1380 states and 1917 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:45:37,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:37,529 INFO L93 Difference]: Finished difference Result 3230 states and 4563 transitions. [2024-10-24 13:45:37,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 13:45:37,530 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 135 [2024-10-24 13:45:37,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:37,541 INFO L225 Difference]: With dead ends: 3230 [2024-10-24 13:45:37,541 INFO L226 Difference]: Without dead ends: 1872 [2024-10-24 13:45:37,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:45:37,547 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 2031 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 3856 mSolverCounterSat, 1563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2121 SdHoareTripleChecker+Valid, 1725 SdHoareTripleChecker+Invalid, 5419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1563 IncrementalHoareTripleChecker+Valid, 3856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:37,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2121 Valid, 1725 Invalid, 5419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1563 Valid, 3856 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-24 13:45:37,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2024-10-24 13:45:37,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1695. [2024-10-24 13:45:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1695 states, 1208 states have (on average 1.3319536423841059) internal successors, (1609), 1217 states have internal predecessors, (1609), 353 states have call successors, (353), 134 states have call predecessors, (353), 133 states have return successors, (352), 349 states have call predecessors, (352), 352 states have call successors, (352) [2024-10-24 13:45:37,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 2314 transitions. [2024-10-24 13:45:37,640 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 2314 transitions. Word has length 135 [2024-10-24 13:45:37,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:37,640 INFO L471 AbstractCegarLoop]: Abstraction has 1695 states and 2314 transitions. [2024-10-24 13:45:37,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:45:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2314 transitions. [2024-10-24 13:45:37,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-24 13:45:37,648 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:37,649 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:45:37,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 13:45:37,649 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:37,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:37,650 INFO L85 PathProgramCache]: Analyzing trace with hash 8126181, now seen corresponding path program 1 times [2024-10-24 13:45:37,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:37,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257293263] [2024-10-24 13:45:37,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:37,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:45:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:45:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:45:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:45:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:45:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:45:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:45:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 13:45:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:45:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 13:45:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:45:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 13:45:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 13:45:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:38,261 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 13:45:38,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:38,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257293263] [2024-10-24 13:45:38,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257293263] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:38,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:38,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:45:38,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651662045] [2024-10-24 13:45:38,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:38,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:45:38,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:38,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:45:38,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:45:38,265 INFO L87 Difference]: Start difference. First operand 1695 states and 2314 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:45:43,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:43,972 INFO L93 Difference]: Finished difference Result 4308 states and 5889 transitions. [2024-10-24 13:45:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 13:45:43,973 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 166 [2024-10-24 13:45:43,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:43,988 INFO L225 Difference]: With dead ends: 4308 [2024-10-24 13:45:43,988 INFO L226 Difference]: Without dead ends: 2635 [2024-10-24 13:45:43,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-10-24 13:45:43,994 INFO L432 NwaCegarLoop]: 757 mSDtfsCounter, 1880 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 5603 mSolverCounterSat, 1150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 3804 SdHoareTripleChecker+Invalid, 6753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1150 IncrementalHoareTripleChecker+Valid, 5603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:43,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 3804 Invalid, 6753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1150 Valid, 5603 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-10-24 13:45:44,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2635 states. [2024-10-24 13:45:44,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2635 to 1697. [2024-10-24 13:45:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 1210 states have (on average 1.331404958677686) internal successors, (1611), 1219 states have internal predecessors, (1611), 353 states have call successors, (353), 134 states have call predecessors, (353), 133 states have return successors, (352), 349 states have call predecessors, (352), 352 states have call successors, (352) [2024-10-24 13:45:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 2316 transitions. [2024-10-24 13:45:44,110 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 2316 transitions. Word has length 166 [2024-10-24 13:45:44,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:44,112 INFO L471 AbstractCegarLoop]: Abstraction has 1697 states and 2316 transitions. [2024-10-24 13:45:44,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:45:44,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2316 transitions. [2024-10-24 13:45:44,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-24 13:45:44,121 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:44,122 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:45:44,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:45:44,122 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:44,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:44,123 INFO L85 PathProgramCache]: Analyzing trace with hash 495240944, now seen corresponding path program 1 times [2024-10-24 13:45:44,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:44,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246050540] [2024-10-24 13:45:44,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:44,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:45:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:45:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:45:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:45:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:45:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:45:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:45:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:45:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 13:45:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 13:45:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:45:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:45:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 13:45:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 13:45:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 13:45:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 13:45:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 13:45:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 13:45:44,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:44,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246050540] [2024-10-24 13:45:44,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246050540] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:44,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:44,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 13:45:44,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410288295] [2024-10-24 13:45:44,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:44,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:45:44,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:44,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:45:44,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:45:44,684 INFO L87 Difference]: Start difference. First operand 1697 states and 2316 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-24 13:45:50,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:50,149 INFO L93 Difference]: Finished difference Result 4086 states and 5656 transitions. [2024-10-24 13:45:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 13:45:50,150 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 185 [2024-10-24 13:45:50,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:50,163 INFO L225 Difference]: With dead ends: 4086 [2024-10-24 13:45:50,163 INFO L226 Difference]: Without dead ends: 2411 [2024-10-24 13:45:50,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2024-10-24 13:45:50,169 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 2207 mSDsluCounter, 1614 mSDsCounter, 0 mSdLazyCounter, 4590 mSolverCounterSat, 1585 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 2152 SdHoareTripleChecker+Invalid, 6175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1585 IncrementalHoareTripleChecker+Valid, 4590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:50,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2295 Valid, 2152 Invalid, 6175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1585 Valid, 4590 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-10-24 13:45:50,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2411 states. [2024-10-24 13:45:50,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2411 to 2173. [2024-10-24 13:45:50,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2173 states, 1560 states have (on average 1.3198717948717948) internal successors, (2059), 1571 states have internal predecessors, (2059), 433 states have call successors, (433), 180 states have call predecessors, (433), 179 states have return successors, (432), 429 states have call predecessors, (432), 432 states have call successors, (432) [2024-10-24 13:45:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 2173 states and 2924 transitions. [2024-10-24 13:45:50,295 INFO L78 Accepts]: Start accepts. Automaton has 2173 states and 2924 transitions. Word has length 185 [2024-10-24 13:45:50,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:50,296 INFO L471 AbstractCegarLoop]: Abstraction has 2173 states and 2924 transitions. [2024-10-24 13:45:50,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-24 13:45:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 2924 transitions. [2024-10-24 13:45:50,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-24 13:45:50,304 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:50,304 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:45:50,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 13:45:50,305 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:50,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:50,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1519357014, now seen corresponding path program 1 times [2024-10-24 13:45:50,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:50,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063889228] [2024-10-24 13:45:50,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:50,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:45:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:45:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:45:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:45:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:45:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:45:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:45:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:45:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 13:45:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 13:45:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:45:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:45:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:45:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 13:45:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 13:45:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 13:45:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 13:45:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 13:45:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 13:45:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 13:45:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-24 13:45:50,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:50,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063889228] [2024-10-24 13:45:50,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063889228] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:50,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:50,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:45:50,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695951256] [2024-10-24 13:45:50,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:50,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:45:50,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:50,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:45:50,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:45:50,830 INFO L87 Difference]: Start difference. First operand 2173 states and 2924 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 13:45:55,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:45:55,916 INFO L93 Difference]: Finished difference Result 4564 states and 6203 transitions. [2024-10-24 13:45:55,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:45:55,917 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 224 [2024-10-24 13:45:55,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:45:55,930 INFO L225 Difference]: With dead ends: 4564 [2024-10-24 13:45:55,930 INFO L226 Difference]: Without dead ends: 2413 [2024-10-24 13:45:55,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:45:55,938 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 1248 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 3618 mSolverCounterSat, 772 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 4390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 772 IncrementalHoareTripleChecker+Valid, 3618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:45:55,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 2132 Invalid, 4390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [772 Valid, 3618 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-10-24 13:45:55,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2024-10-24 13:45:56,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2175. [2024-10-24 13:45:56,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1562 states have (on average 1.3194622279129322) internal successors, (2061), 1573 states have internal predecessors, (2061), 433 states have call successors, (433), 180 states have call predecessors, (433), 179 states have return successors, (432), 429 states have call predecessors, (432), 432 states have call successors, (432) [2024-10-24 13:45:56,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2926 transitions. [2024-10-24 13:45:56,079 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2926 transitions. Word has length 224 [2024-10-24 13:45:56,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:45:56,079 INFO L471 AbstractCegarLoop]: Abstraction has 2175 states and 2926 transitions. [2024-10-24 13:45:56,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 13:45:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2926 transitions. [2024-10-24 13:45:56,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-24 13:45:56,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:45:56,089 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:45:56,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 13:45:56,089 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:45:56,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:45:56,089 INFO L85 PathProgramCache]: Analyzing trace with hash 717577621, now seen corresponding path program 1 times [2024-10-24 13:45:56,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:45:56,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375977658] [2024-10-24 13:45:56,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:45:56,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:45:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:45:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:45:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:45:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:45:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:45:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:45:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:45:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:45:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:45:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:45:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 13:45:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 13:45:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:45:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:45:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:45:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:45:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 13:45:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 13:45:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 13:45:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 13:45:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 13:45:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:45:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 13:45:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:45:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-24 13:45:56,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:45:56,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375977658] [2024-10-24 13:45:56,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375977658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:45:56,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:45:56,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:45:56,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498518536] [2024-10-24 13:45:56,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:45:56,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:45:56,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:45:56,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:45:56,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:45:56,749 INFO L87 Difference]: Start difference. First operand 2175 states and 2926 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 13:46:02,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:46:02,766 INFO L93 Difference]: Finished difference Result 5207 states and 7091 transitions. [2024-10-24 13:46:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 13:46:02,767 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 224 [2024-10-24 13:46:02,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:46:02,780 INFO L225 Difference]: With dead ends: 5207 [2024-10-24 13:46:02,781 INFO L226 Difference]: Without dead ends: 3054 [2024-10-24 13:46:02,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2024-10-24 13:46:02,787 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 2204 mSDsluCounter, 1611 mSDsCounter, 0 mSdLazyCounter, 4776 mSolverCounterSat, 1370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 2150 SdHoareTripleChecker+Invalid, 6146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1370 IncrementalHoareTripleChecker+Valid, 4776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:46:02,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2295 Valid, 2150 Invalid, 6146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1370 Valid, 4776 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-10-24 13:46:02,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3054 states. [2024-10-24 13:46:02,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 2726. [2024-10-24 13:46:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 1956 states have (on average 1.3113496932515338) internal successors, (2565), 1970 states have internal predecessors, (2565), 528 states have call successors, (528), 242 states have call predecessors, (528), 241 states have return successors, (527), 523 states have call predecessors, (527), 527 states have call successors, (527) [2024-10-24 13:46:02,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3620 transitions. [2024-10-24 13:46:02,964 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3620 transitions. Word has length 224 [2024-10-24 13:46:02,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:46:02,965 INFO L471 AbstractCegarLoop]: Abstraction has 2726 states and 3620 transitions. [2024-10-24 13:46:02,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 13:46:02,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3620 transitions. [2024-10-24 13:46:02,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-24 13:46:02,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:46:02,982 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:46:02,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 13:46:02,982 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:46:02,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:46:02,983 INFO L85 PathProgramCache]: Analyzing trace with hash -260663435, now seen corresponding path program 1 times [2024-10-24 13:46:02,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:46:02,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983246843] [2024-10-24 13:46:02,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:46:02,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:46:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:46:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:46:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:46:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:46:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:46:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:46:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:46:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:46:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:46:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:46:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 13:46:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 13:46:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:46:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:46:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:46:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:46:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 13:46:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 13:46:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 13:46:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 13:46:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 13:46:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 13:46:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-24 13:46:03,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:46:03,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983246843] [2024-10-24 13:46:03,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983246843] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:46:03,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:46:03,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 13:46:03,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075095742] [2024-10-24 13:46:03,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:46:03,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 13:46:03,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:46:03,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 13:46:03,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:46:03,751 INFO L87 Difference]: Start difference. First operand 2726 states and 3620 transitions. Second operand has 10 states, 10 states have (on average 13.3) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 13:46:15,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:46:15,136 INFO L93 Difference]: Finished difference Result 8789 states and 11815 transitions. [2024-10-24 13:46:15,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 13:46:15,137 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 225 [2024-10-24 13:46:15,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:46:15,163 INFO L225 Difference]: With dead ends: 8789 [2024-10-24 13:46:15,163 INFO L226 Difference]: Without dead ends: 6085 [2024-10-24 13:46:15,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-10-24 13:46:15,172 INFO L432 NwaCegarLoop]: 975 mSDtfsCounter, 2215 mSDsluCounter, 5038 mSDsCounter, 0 mSdLazyCounter, 11357 mSolverCounterSat, 1157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2387 SdHoareTripleChecker+Valid, 6013 SdHoareTripleChecker+Invalid, 12514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1157 IncrementalHoareTripleChecker+Valid, 11357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-10-24 13:46:15,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2387 Valid, 6013 Invalid, 12514 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1157 Valid, 11357 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2024-10-24 13:46:15,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6085 states. [2024-10-24 13:46:15,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6085 to 2730. [2024-10-24 13:46:15,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 1959 states have (on average 1.310872894333844) internal successors, (2568), 1973 states have internal predecessors, (2568), 528 states have call successors, (528), 242 states have call predecessors, (528), 242 states have return successors, (528), 524 states have call predecessors, (528), 527 states have call successors, (528) [2024-10-24 13:46:15,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3624 transitions. [2024-10-24 13:46:15,432 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3624 transitions. Word has length 225 [2024-10-24 13:46:15,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:46:15,434 INFO L471 AbstractCegarLoop]: Abstraction has 2730 states and 3624 transitions. [2024-10-24 13:46:15,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 13:46:15,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3624 transitions. [2024-10-24 13:46:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-24 13:46:15,444 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:46:15,445 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:46:15,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 13:46:15,445 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:46:15,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:46:15,445 INFO L85 PathProgramCache]: Analyzing trace with hash 733495357, now seen corresponding path program 1 times [2024-10-24 13:46:15,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:46:15,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681782138] [2024-10-24 13:46:15,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:46:15,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:46:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:46:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:46:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:46:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:46:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:46:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:46:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:46:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:46:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:46:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:46:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 13:46:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 13:46:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:46:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:46:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:46:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 13:46:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 13:46:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 13:46:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 13:46:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 13:46:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 13:46:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:46:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 13:46:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:46:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-10-24 13:46:16,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:46:16,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681782138] [2024-10-24 13:46:16,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681782138] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:46:16,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:46:16,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 13:46:16,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054823061] [2024-10-24 13:46:16,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:46:16,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 13:46:16,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:46:16,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 13:46:16,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:46:16,808 INFO L87 Difference]: Start difference. First operand 2730 states and 3624 transitions. Second operand has 10 states, 9 states have (on average 14.88888888888889) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28)