./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.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 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 09:53:13,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 09:53:13,878 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 09:53:13,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 09:53:13,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 09:53:13,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 09:53:13,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 09:53:13,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 09:53:13,920 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 09:53:13,921 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 09:53:13,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 09:53:13,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 09:53:13,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 09:53:13,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 09:53:13,924 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 09:53:13,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 09:53:13,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 09:53:13,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 09:53:13,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 09:53:13,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 09:53:13,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 09:53:13,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 09:53:13,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 09:53:13,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 09:53:13,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 09:53:13,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 09:53:13,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 09:53:13,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 09:53:13,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 09:53:13,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:53:13,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 09:53:13,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 09:53:13,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 09:53:13,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 09:53:13,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 09:53:13,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 09:53:13,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 09:53:13,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 09:53:13,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 09:53:13,935 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 [2024-11-12 09:53:14,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 09:53:14,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 09:53:14,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 09:53:14,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 09:53:14,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 09:53:14,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-12 09:53:15,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 09:53:16,117 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 09:53:16,118 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-12 09:53:16,155 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12342aafb/cbc57df4b8a84f6797d777a8eb44d10f/FLAG351ab6233 [2024-11-12 09:53:16,168 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12342aafb/cbc57df4b8a84f6797d777a8eb44d10f [2024-11-12 09:53:16,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 09:53:16,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 09:53:16,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 09:53:16,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 09:53:16,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 09:53:16,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:53:16" (1/1) ... [2024-11-12 09:53:16,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f714ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:16, skipping insertion in model container [2024-11-12 09:53:16,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:53:16" (1/1) ... [2024-11-12 09:53:16,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 09:53:17,438 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-11-12 09:53:17,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:53:17,640 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 09:53:17,927 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-11-12 09:53:17,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:53:18,051 INFO L204 MainTranslator]: Completed translation [2024-11-12 09:53:18,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18 WrapperNode [2024-11-12 09:53:18,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 09:53:18,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 09:53:18,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 09:53:18,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 09:53:18,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (1/1) ... [2024-11-12 09:53:18,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (1/1) ... [2024-11-12 09:53:18,319 INFO L138 Inliner]: procedures = 173, calls = 2599, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 3401 [2024-11-12 09:53:18,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 09:53:18,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 09:53:18,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 09:53:18,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 09:53:18,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (1/1) ... [2024-11-12 09:53:18,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (1/1) ... [2024-11-12 09:53:18,369 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (1/1) ... [2024-11-12 09:53:18,486 INFO L175 MemorySlicer]: Split 2148 memory accesses to 13 slices as follows [2, 1, 2, 5, 5, 3, 4, 1025, 5, 46, 1020, 15, 15]. 48 percent of accesses are in the largest equivalence class. The 2059 initializations are split as follows [2, 0, 0, 5, 5, 3, 4, 1020, 0, 0, 1020, 0, 0]. The 45 writes are split as follows [0, 1, 1, 0, 0, 0, 0, 2, 3, 8, 0, 15, 15]. [2024-11-12 09:53:18,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (1/1) ... [2024-11-12 09:53:18,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (1/1) ... [2024-11-12 09:53:18,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (1/1) ... [2024-11-12 09:53:18,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (1/1) ... [2024-11-12 09:53:18,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (1/1) ... [2024-11-12 09:53:18,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (1/1) ... [2024-11-12 09:53:18,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 09:53:18,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 09:53:18,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 09:53:18,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 09:53:18,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (1/1) ... [2024-11-12 09:53:18,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:53:18,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:53:18,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 09:53:18,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 09:53:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2024-11-12 09:53:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2024-11-12 09:53:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 09:53:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 09:53:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 09:53:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 09:53:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 09:53:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 09:53:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 09:53:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-12 09:53:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-12 09:53:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-12 09:53:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-12 09:53:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-12 09:53:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-12 09:53:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-12 09:53:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-12 09:53:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-12 09:53:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-12 09:53:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-12 09:53:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-12 09:53:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-12 09:53:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-12 09:53:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-12 09:53:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-12 09:53:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-12 09:53:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-12 09:53:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-12 09:53:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 09:53:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 09:53:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 09:53:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 09:53:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 09:53:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 09:53:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 09:53:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-12 09:53:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-12 09:53:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-12 09:53:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-12 09:53:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-12 09:53:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-12 09:53:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-11-12 09:53:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-11-12 09:53:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 09:53:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 09:53:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 09:53:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 09:53:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 09:53:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 09:53:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 09:53:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-12 09:53:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-12 09:53:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-12 09:53:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-12 09:53:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-12 09:53:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-12 09:53:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2024-11-12 09:53:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2024-11-12 09:53:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2024-11-12 09:53:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2024-11-12 09:53:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2024-11-12 09:53:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2024-11-12 09:53:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2024-11-12 09:53:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2024-11-12 09:53:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2024-11-12 09:53:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2024-11-12 09:53:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-11-12 09:53:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-11-12 09:53:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2024-11-12 09:53:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2024-11-12 09:53:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2024-11-12 09:53:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2024-11-12 09:53:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-12 09:53:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-12 09:53:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 09:53:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 09:53:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 09:53:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 09:53:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 09:53:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 09:53:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 09:53:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-12 09:53:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-12 09:53:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-12 09:53:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-12 09:53:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-12 09:53:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-12 09:53:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2024-11-12 09:53:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2024-11-12 09:53:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-12 09:53:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-12 09:53:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-12 09:53:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-12 09:53:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-12 09:53:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-12 09:53:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2024-11-12 09:53:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2024-11-12 09:53:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2024-11-12 09:53:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2024-11-12 09:53:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-12 09:53:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-12 09:53:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 09:53:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2024-11-12 09:53:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2024-11-12 09:53:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 09:53:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 09:53:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 09:53:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 09:53:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 09:53:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 09:53:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 09:53:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 09:53:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-12 09:53:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-12 09:53:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-12 09:53:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-12 09:53:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-12 09:53:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-12 09:53:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-12 09:53:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-12 09:53:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2024-11-12 09:53:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2024-11-12 09:53:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2024-11-12 09:53:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2024-11-12 09:53:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-12 09:53:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-12 09:53:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 09:53:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 09:53:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 09:53:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 09:53:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 09:53:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 09:53:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 09:53:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-12 09:53:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-12 09:53:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-12 09:53:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-12 09:53:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-12 09:53:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-12 09:53:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 09:53:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-12 09:53:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-12 09:53:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-12 09:53:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-12 09:53:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2024-11-12 09:53:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2024-11-12 09:53:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2024-11-12 09:53:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2024-11-12 09:53:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2024-11-12 09:53:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2024-11-12 09:53:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2024-11-12 09:53:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2024-11-12 09:53:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2024-11-12 09:53:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2024-11-12 09:53:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2024-11-12 09:53:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2024-11-12 09:53:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2024-11-12 09:53:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2024-11-12 09:53:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2024-11-12 09:53:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2024-11-12 09:53:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2024-11-12 09:53:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2024-11-12 09:53:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2024-11-12 09:53:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2024-11-12 09:53:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2024-11-12 09:53:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2024-11-12 09:53:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2024-11-12 09:53:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2024-11-12 09:53:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2024-11-12 09:53:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2024-11-12 09:53:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2024-11-12 09:53:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2024-11-12 09:53:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 09:53:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 09:53:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 09:53:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 09:53:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 09:53:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 09:53:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 09:53:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 09:53:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-12 09:53:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-12 09:53:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-12 09:53:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-12 09:53:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-12 09:53:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-12 09:53:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-12 09:53:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2024-11-12 09:53:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2024-11-12 09:53:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-12 09:53:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-12 09:53:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2024-11-12 09:53:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2024-11-12 09:53:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-12 09:53:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-12 09:53:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-12 09:53:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-12 09:53:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-12 09:53:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-12 09:53:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-12 09:53:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-12 09:53:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-12 09:53:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-12 09:53:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-12 09:53:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-12 09:53:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-12 09:53:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 09:53:18,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 09:53:19,258 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 09:53:19,262 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 09:53:24,244 INFO L? ?]: Removed 775 outVars from TransFormulas that were not future-live. [2024-11-12 09:53:24,245 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 09:53:24,278 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 09:53:24,278 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 09:53:24,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:53:24 BoogieIcfgContainer [2024-11-12 09:53:24,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 09:53:24,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 09:53:24,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 09:53:24,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 09:53:24,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:53:16" (1/3) ... [2024-11-12 09:53:24,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5282015d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:53:24, skipping insertion in model container [2024-11-12 09:53:24,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:53:18" (2/3) ... [2024-11-12 09:53:24,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5282015d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:53:24, skipping insertion in model container [2024-11-12 09:53:24,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:53:24" (3/3) ... [2024-11-12 09:53:24,294 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-12 09:53:24,311 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 09:53:24,311 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 09:53:24,408 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 09:53:24,416 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;@2820a11b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 09:53:24,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 09:53:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 612 states, 448 states have (on average 1.4285714285714286) internal successors, (640), 464 states have internal predecessors, (640), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2024-11-12 09:53:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-12 09:53:24,432 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:24,433 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:53:24,433 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:24,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:24,440 INFO L85 PathProgramCache]: Analyzing trace with hash 605624872, now seen corresponding path program 1 times [2024-11-12 09:53:24,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:24,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783624835] [2024-11-12 09:53:24,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:24,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:53:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:53:25,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:25,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783624835] [2024-11-12 09:53:25,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783624835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:25,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:25,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 09:53:25,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323293010] [2024-11-12 09:53:25,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:25,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 09:53:25,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:25,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 09:53:25,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 09:53:25,889 INFO L87 Difference]: Start difference. First operand has 612 states, 448 states have (on average 1.4285714285714286) internal successors, (640), 464 states have internal predecessors, (640), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 09:53:27,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:53:29,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:29,127 INFO L93 Difference]: Finished difference Result 1219 states and 1874 transitions. [2024-11-12 09:53:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 09:53:29,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-12 09:53:29,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:29,152 INFO L225 Difference]: With dead ends: 1219 [2024-11-12 09:53:29,152 INFO L226 Difference]: Without dead ends: 607 [2024-11-12 09:53:29,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:53:29,169 INFO L435 NwaCegarLoop]: 657 mSDtfsCounter, 927 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:29,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 986 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-12 09:53:29,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-11-12 09:53:29,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 603. [2024-11-12 09:53:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 443 states have (on average 1.4018058690744921) internal successors, (621), 456 states have internal predecessors, (621), 130 states have call successors, (130), 31 states have call predecessors, (130), 29 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-12 09:53:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 870 transitions. [2024-11-12 09:53:29,295 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 870 transitions. Word has length 12 [2024-11-12 09:53:29,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:29,296 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 870 transitions. [2024-11-12 09:53:29,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 09:53:29,296 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 870 transitions. [2024-11-12 09:53:29,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-12 09:53:29,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:29,297 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:53:29,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 09:53:29,297 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:29,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:29,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1593508110, now seen corresponding path program 1 times [2024-11-12 09:53:29,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:29,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176180723] [2024-11-12 09:53:29,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:29,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:53:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:53:30,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:30,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176180723] [2024-11-12 09:53:30,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176180723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:30,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:30,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 09:53:30,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29396437] [2024-11-12 09:53:30,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:30,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 09:53:30,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:30,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 09:53:30,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 09:53:30,093 INFO L87 Difference]: Start difference. First operand 603 states and 870 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 09:53:32,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:32,244 INFO L93 Difference]: Finished difference Result 609 states and 878 transitions. [2024-11-12 09:53:32,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 09:53:32,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-12 09:53:32,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:32,251 INFO L225 Difference]: With dead ends: 609 [2024-11-12 09:53:32,251 INFO L226 Difference]: Without dead ends: 606 [2024-11-12 09:53:32,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:53:32,253 INFO L435 NwaCegarLoop]: 654 mSDtfsCounter, 917 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:32,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [961 Valid, 980 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-12 09:53:32,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-12 09:53:32,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 602. [2024-11-12 09:53:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 443 states have (on average 1.399548532731377) internal successors, (620), 455 states have internal predecessors, (620), 129 states have call successors, (129), 31 states have call predecessors, (129), 29 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-12 09:53:32,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 868 transitions. [2024-11-12 09:53:32,321 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 868 transitions. Word has length 13 [2024-11-12 09:53:32,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:32,322 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 868 transitions. [2024-11-12 09:53:32,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 09:53:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 868 transitions. [2024-11-12 09:53:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-12 09:53:32,323 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:32,323 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:53:32,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 09:53:32,324 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:32,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:32,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2141845013, now seen corresponding path program 1 times [2024-11-12 09:53:32,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:32,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660539805] [2024-11-12 09:53:32,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:32,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:33,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:53:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:33,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:53:33,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:33,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660539805] [2024-11-12 09:53:33,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660539805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:33,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:33,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 09:53:33,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936986262] [2024-11-12 09:53:33,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:33,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 09:53:33,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:33,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 09:53:33,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 09:53:33,056 INFO L87 Difference]: Start difference. First operand 602 states and 868 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 09:53:34,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:53:35,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:53:36,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:36,958 INFO L93 Difference]: Finished difference Result 1759 states and 2549 transitions. [2024-11-12 09:53:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 09:53:36,959 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-12 09:53:36,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:36,972 INFO L225 Difference]: With dead ends: 1759 [2024-11-12 09:53:36,972 INFO L226 Difference]: Without dead ends: 1163 [2024-11-12 09:53:36,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:53:36,978 INFO L435 NwaCegarLoop]: 1068 mSDtfsCounter, 984 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 2330 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:36,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 2330 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-12 09:53:36,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2024-11-12 09:53:37,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1148. [2024-11-12 09:53:37,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 852 states have (on average 1.397887323943662) internal successors, (1191), 866 states have internal predecessors, (1191), 240 states have call successors, (240), 60 states have call predecessors, (240), 55 states have return successors, (230), 226 states have call predecessors, (230), 226 states have call successors, (230) [2024-11-12 09:53:37,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1661 transitions. [2024-11-12 09:53:37,082 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1661 transitions. Word has length 14 [2024-11-12 09:53:37,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:37,083 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1661 transitions. [2024-11-12 09:53:37,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 09:53:37,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1661 transitions. [2024-11-12 09:53:37,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-12 09:53:37,085 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:37,085 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:53:37,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 09:53:37,085 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:37,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:37,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1973669967, now seen corresponding path program 1 times [2024-11-12 09:53:37,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:37,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94669944] [2024-11-12 09:53:37,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:37,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:37,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:53:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:53:37,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:37,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94669944] [2024-11-12 09:53:37,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94669944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:37,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:37,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 09:53:37,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468097826] [2024-11-12 09:53:37,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:37,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 09:53:37,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:37,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 09:53:37,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 09:53:37,830 INFO L87 Difference]: Start difference. First operand 1148 states and 1661 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 09:53:38,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:53:40,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:40,661 INFO L93 Difference]: Finished difference Result 1240 states and 1779 transitions. [2024-11-12 09:53:40,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 09:53:40,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-12 09:53:40,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:40,670 INFO L225 Difference]: With dead ends: 1240 [2024-11-12 09:53:40,670 INFO L226 Difference]: Without dead ends: 1236 [2024-11-12 09:53:40,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:53:40,675 INFO L435 NwaCegarLoop]: 596 mSDtfsCounter, 944 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:40,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 961 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-12 09:53:40,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2024-11-12 09:53:40,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1234. [2024-11-12 09:53:40,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 918 states have (on average 1.3943355119825709) internal successors, (1280), 930 states have internal predecessors, (1280), 250 states have call successors, (250), 70 states have call predecessors, (250), 65 states have return successors, (242), 238 states have call predecessors, (242), 238 states have call successors, (242) [2024-11-12 09:53:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1772 transitions. [2024-11-12 09:53:40,772 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1772 transitions. Word has length 15 [2024-11-12 09:53:40,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:40,772 INFO L471 AbstractCegarLoop]: Abstraction has 1234 states and 1772 transitions. [2024-11-12 09:53:40,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 09:53:40,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1772 transitions. [2024-11-12 09:53:40,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-12 09:53:40,773 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:40,773 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:53:40,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 09:53:40,774 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:40,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:40,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1055205970, now seen corresponding path program 1 times [2024-11-12 09:53:40,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:40,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136841392] [2024-11-12 09:53:40,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:40,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:41,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:53:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:53:41,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:41,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136841392] [2024-11-12 09:53:41,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136841392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:41,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:41,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 09:53:41,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245543431] [2024-11-12 09:53:41,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:41,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 09:53:41,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:41,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 09:53:41,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 09:53:41,443 INFO L87 Difference]: Start difference. First operand 1234 states and 1772 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 09:53:43,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:53:44,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:44,759 INFO L93 Difference]: Finished difference Result 1448 states and 2053 transitions. [2024-11-12 09:53:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 09:53:44,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-12 09:53:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:44,769 INFO L225 Difference]: With dead ends: 1448 [2024-11-12 09:53:44,769 INFO L226 Difference]: Without dead ends: 1438 [2024-11-12 09:53:44,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:53:44,774 INFO L435 NwaCegarLoop]: 706 mSDtfsCounter, 852 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 899 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:44,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [899 Valid, 1153 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-12 09:53:44,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2024-11-12 09:53:44,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1427. [2024-11-12 09:53:44,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1053 states have (on average 1.3808167141500476) internal successors, (1454), 1063 states have internal predecessors, (1454), 287 states have call successors, (287), 90 states have call predecessors, (287), 86 states have return successors, (282), 278 states have call predecessors, (282), 278 states have call successors, (282) [2024-11-12 09:53:44,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2023 transitions. [2024-11-12 09:53:44,880 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 2023 transitions. Word has length 16 [2024-11-12 09:53:44,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:44,881 INFO L471 AbstractCegarLoop]: Abstraction has 1427 states and 2023 transitions. [2024-11-12 09:53:44,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 09:53:44,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 2023 transitions. [2024-11-12 09:53:44,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-12 09:53:44,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:44,889 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 09:53:44,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 09:53:44,889 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:44,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:44,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1998634009, now seen corresponding path program 1 times [2024-11-12 09:53:44,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:44,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891482486] [2024-11-12 09:53:44,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:44,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:46,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:53:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:46,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:53:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:46,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 09:53:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:46,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 09:53:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:46,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 09:53:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:53:46,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:46,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891482486] [2024-11-12 09:53:46,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891482486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:46,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:46,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 09:53:46,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765703275] [2024-11-12 09:53:46,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:46,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 09:53:46,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:46,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 09:53:46,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 09:53:46,220 INFO L87 Difference]: Start difference. First operand 1427 states and 2023 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 09:53:49,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:49,116 INFO L93 Difference]: Finished difference Result 2861 states and 4063 transitions. [2024-11-12 09:53:49,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 09:53:49,117 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-11-12 09:53:49,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:49,129 INFO L225 Difference]: With dead ends: 2861 [2024-11-12 09:53:49,130 INFO L226 Difference]: Without dead ends: 1440 [2024-11-12 09:53:49,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-12 09:53:49,139 INFO L435 NwaCegarLoop]: 690 mSDtfsCounter, 251 mSDsluCounter, 3280 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 3970 SdHoareTripleChecker+Invalid, 1789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:49,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 3970 Invalid, 1789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-12 09:53:49,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2024-11-12 09:53:49,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1432. [2024-11-12 09:53:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1057 states have (on average 1.3793755912961212) internal successors, (1458), 1067 states have internal predecessors, (1458), 287 states have call successors, (287), 90 states have call predecessors, (287), 87 states have return successors, (286), 279 states have call predecessors, (286), 278 states have call successors, (286) [2024-11-12 09:53:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2031 transitions. [2024-11-12 09:53:49,306 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2031 transitions. Word has length 50 [2024-11-12 09:53:49,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:49,306 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2031 transitions. [2024-11-12 09:53:49,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 09:53:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2031 transitions. [2024-11-12 09:53:49,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-12 09:53:49,309 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:49,309 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 09:53:49,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 09:53:49,310 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:49,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:49,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1358767787, now seen corresponding path program 1 times [2024-11-12 09:53:49,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:49,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109624344] [2024-11-12 09:53:49,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:49,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:50,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:53:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:50,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 09:53:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:50,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 09:53:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:50,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 09:53:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:50,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 09:53:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:53:50,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:50,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109624344] [2024-11-12 09:53:50,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109624344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:50,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:50,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 09:53:50,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304303203] [2024-11-12 09:53:50,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:50,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 09:53:50,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:50,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 09:53:50,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 09:53:50,526 INFO L87 Difference]: Start difference. First operand 1432 states and 2031 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 09:53:53,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:53,440 INFO L93 Difference]: Finished difference Result 2868 states and 4073 transitions. [2024-11-12 09:53:53,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 09:53:53,441 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 51 [2024-11-12 09:53:53,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:53,452 INFO L225 Difference]: With dead ends: 2868 [2024-11-12 09:53:53,452 INFO L226 Difference]: Without dead ends: 1442 [2024-11-12 09:53:53,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-12 09:53:53,461 INFO L435 NwaCegarLoop]: 690 mSDtfsCounter, 251 mSDsluCounter, 3280 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 3970 SdHoareTripleChecker+Invalid, 1789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:53,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 3970 Invalid, 1789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-12 09:53:53,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2024-11-12 09:53:53,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1434. [2024-11-12 09:53:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1434 states, 1059 states have (on average 1.3786591123701606) internal successors, (1460), 1068 states have internal predecessors, (1460), 287 states have call successors, (287), 90 states have call predecessors, (287), 87 states have return successors, (286), 280 states have call predecessors, (286), 278 states have call successors, (286) [2024-11-12 09:53:53,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 2033 transitions. [2024-11-12 09:53:53,558 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 2033 transitions. Word has length 51 [2024-11-12 09:53:53,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:53,559 INFO L471 AbstractCegarLoop]: Abstraction has 1434 states and 2033 transitions. [2024-11-12 09:53:53,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 09:53:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 2033 transitions. [2024-11-12 09:53:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-12 09:53:53,561 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:53,561 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 09:53:53,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 09:53:53,562 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:53,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:53,562 INFO L85 PathProgramCache]: Analyzing trace with hash 701397850, now seen corresponding path program 1 times [2024-11-12 09:53:53,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:53,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726312464] [2024-11-12 09:53:53,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:53,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:54,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:53:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:54,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:53:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:54,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 09:53:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:54,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 09:53:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:54,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 09:53:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:54,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 09:53:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:54,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 09:53:54,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:54,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726312464] [2024-11-12 09:53:54,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726312464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:54,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:54,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 09:53:54,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974973846] [2024-11-12 09:53:54,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:54,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 09:53:54,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:54,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 09:53:54,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:53:54,665 INFO L87 Difference]: Start difference. First operand 1434 states and 2033 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 09:53:57,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:57,625 INFO L93 Difference]: Finished difference Result 1444 states and 2048 transitions. [2024-11-12 09:53:57,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 09:53:57,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2024-11-12 09:53:57,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:57,636 INFO L225 Difference]: With dead ends: 1444 [2024-11-12 09:53:57,636 INFO L226 Difference]: Without dead ends: 1441 [2024-11-12 09:53:57,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 09:53:57,639 INFO L435 NwaCegarLoop]: 687 mSDtfsCounter, 241 mSDsluCounter, 1482 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 2169 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:57,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 2169 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-12 09:53:57,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2024-11-12 09:53:57,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1433. [2024-11-12 09:53:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1433 states, 1059 states have (on average 1.3748819641170915) internal successors, (1456), 1067 states have internal predecessors, (1456), 286 states have call successors, (286), 90 states have call predecessors, (286), 87 states have return successors, (286), 280 states have call predecessors, (286), 278 states have call successors, (286) [2024-11-12 09:53:57,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 2028 transitions. [2024-11-12 09:53:57,744 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 2028 transitions. Word has length 55 [2024-11-12 09:53:57,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:57,746 INFO L471 AbstractCegarLoop]: Abstraction has 1433 states and 2028 transitions. [2024-11-12 09:53:57,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 09:53:57,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2028 transitions. [2024-11-12 09:53:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-12 09:53:57,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:57,749 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 09:53:57,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 09:53:57,750 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:57,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:57,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1022772366, now seen corresponding path program 1 times [2024-11-12 09:53:57,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:57,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798892272] [2024-11-12 09:53:57,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:57,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:58,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:53:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:58,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:53:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:58,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 09:53:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-12 09:53:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:58,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:53:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:58,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 09:53:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:58,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 09:53:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:58,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 09:53:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:58,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 09:53:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 09:53:58,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:58,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798892272] [2024-11-12 09:53:58,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798892272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:58,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:58,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 09:53:58,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153402727] [2024-11-12 09:53:58,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:58,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 09:53:58,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:58,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 09:53:58,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:53:58,942 INFO L87 Difference]: Start difference. First operand 1433 states and 2028 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 09:54:01,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:54:01,232 INFO L93 Difference]: Finished difference Result 1443 states and 2043 transitions. [2024-11-12 09:54:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 09:54:01,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2024-11-12 09:54:01,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:54:01,243 INFO L225 Difference]: With dead ends: 1443 [2024-11-12 09:54:01,243 INFO L226 Difference]: Without dead ends: 1440 [2024-11-12 09:54:01,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 09:54:01,246 INFO L435 NwaCegarLoop]: 691 mSDtfsCounter, 494 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-12 09:54:01,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 1790 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-12 09:54:01,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2024-11-12 09:54:01,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1432. [2024-11-12 09:54:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1059 states have (on average 1.372993389990557) internal successors, (1454), 1066 states have internal predecessors, (1454), 285 states have call successors, (285), 90 states have call predecessors, (285), 87 states have return successors, (286), 280 states have call predecessors, (286), 278 states have call successors, (286) [2024-11-12 09:54:01,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2025 transitions. [2024-11-12 09:54:01,352 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2025 transitions. Word has length 72 [2024-11-12 09:54:01,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:54:01,352 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2025 transitions. [2024-11-12 09:54:01,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 09:54:01,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2025 transitions. [2024-11-12 09:54:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-12 09:54:01,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:54:01,357 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 09:54:01,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 09:54:01,357 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:54:01,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:54:01,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1683572777, now seen corresponding path program 1 times [2024-11-12 09:54:01,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:54:01,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878809132] [2024-11-12 09:54:01,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:54:01,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:54:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:54:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:54:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 09:54:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 09:54:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 09:54:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 09:54:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:54:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 09:54:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:54:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:54:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 09:54:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 09:54:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 09:54:02,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:54:02,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878809132] [2024-11-12 09:54:02,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878809132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:54:02,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:54:02,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 09:54:02,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243319909] [2024-11-12 09:54:02,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:54:02,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 09:54:02,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:54:02,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 09:54:02,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 09:54:02,377 INFO L87 Difference]: Start difference. First operand 1432 states and 2025 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-12 09:54:06,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:54:06,437 INFO L93 Difference]: Finished difference Result 2868 states and 4059 transitions. [2024-11-12 09:54:06,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 09:54:06,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2024-11-12 09:54:06,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:54:06,450 INFO L225 Difference]: With dead ends: 2868 [2024-11-12 09:54:06,450 INFO L226 Difference]: Without dead ends: 1442 [2024-11-12 09:54:06,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-12 09:54:06,458 INFO L435 NwaCegarLoop]: 1234 mSDtfsCounter, 1015 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 3481 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-12 09:54:06,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1059 Valid, 3481 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 1160 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-12 09:54:06,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2024-11-12 09:54:06,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1432. [2024-11-12 09:54:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1059 states have (on average 1.3711048158640227) internal successors, (1452), 1066 states have internal predecessors, (1452), 285 states have call successors, (285), 90 states have call predecessors, (285), 87 states have return successors, (280), 280 states have call predecessors, (280), 276 states have call successors, (280) [2024-11-12 09:54:06,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2017 transitions. [2024-11-12 09:54:06,567 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2017 transitions. Word has length 86 [2024-11-12 09:54:06,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:54:06,567 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2017 transitions. [2024-11-12 09:54:06,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-12 09:54:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2017 transitions. [2024-11-12 09:54:06,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-12 09:54:06,571 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:54:06,572 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 09:54:06,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 09:54:06,572 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:54:06,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:54:06,573 INFO L85 PathProgramCache]: Analyzing trace with hash 279480302, now seen corresponding path program 1 times [2024-11-12 09:54:06,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:54:06,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318528128] [2024-11-12 09:54:06,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:54:06,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:54:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:54:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:54:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 09:54:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 09:54:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 09:54:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 09:54:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:54:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 09:54:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:54:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:54:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 09:54:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 09:54:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:08,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 09:54:08,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:54:08,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318528128] [2024-11-12 09:54:08,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318528128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:54:08,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:54:08,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 09:54:08,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46695798] [2024-11-12 09:54:08,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:54:08,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 09:54:08,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:54:08,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 09:54:08,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 09:54:08,458 INFO L87 Difference]: Start difference. First operand 1432 states and 2017 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-12 09:54:09,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:54:09,774 INFO L93 Difference]: Finished difference Result 2868 states and 4047 transitions. [2024-11-12 09:54:09,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 09:54:09,775 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 90 [2024-11-12 09:54:09,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:54:09,785 INFO L225 Difference]: With dead ends: 2868 [2024-11-12 09:54:09,785 INFO L226 Difference]: Without dead ends: 1442 [2024-11-12 09:54:09,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-12 09:54:09,794 INFO L435 NwaCegarLoop]: 683 mSDtfsCounter, 389 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 09:54:09,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 2464 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 09:54:09,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2024-11-12 09:54:09,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1434. [2024-11-12 09:54:09,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1434 states, 1061 states have (on average 1.3704052780395852) internal successors, (1454), 1068 states have internal predecessors, (1454), 285 states have call successors, (285), 90 states have call predecessors, (285), 87 states have return successors, (280), 280 states have call predecessors, (280), 276 states have call successors, (280) [2024-11-12 09:54:09,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 2019 transitions. [2024-11-12 09:54:09,901 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 2019 transitions. Word has length 90 [2024-11-12 09:54:09,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:54:09,903 INFO L471 AbstractCegarLoop]: Abstraction has 1434 states and 2019 transitions. [2024-11-12 09:54:09,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-12 09:54:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 2019 transitions. [2024-11-12 09:54:09,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-12 09:54:09,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:54:09,907 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-12 09:54:09,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 09:54:09,907 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:54:09,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:54:09,908 INFO L85 PathProgramCache]: Analyzing trace with hash 791755037, now seen corresponding path program 1 times [2024-11-12 09:54:09,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:54:09,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037573683] [2024-11-12 09:54:09,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:54:09,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:54:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:54:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:54:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 09:54:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 09:54:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 09:54:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 09:54:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:54:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 09:54:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:54:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:54:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 09:54:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 09:54:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 09:54:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 09:54:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 09:54:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:54:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 09:54:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:54:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:54:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 09:54:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 09:54:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-12 09:54:11,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:54:11,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037573683] [2024-11-12 09:54:11,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037573683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:54:11,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:54:11,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 09:54:11,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512793584] [2024-11-12 09:54:11,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:54:11,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 09:54:11,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:54:11,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 09:54:11,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-12 09:54:11,855 INFO L87 Difference]: Start difference. First operand 1434 states and 2019 transitions. Second operand has 10 states, 10 states have (on average 6.4) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-12 09:54:15,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:54:18,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:54:18,580 INFO L93 Difference]: Finished difference Result 1520 states and 2125 transitions. [2024-11-12 09:54:18,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 09:54:18,580 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 136 [2024-11-12 09:54:18,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:54:18,592 INFO L225 Difference]: With dead ends: 1520 [2024-11-12 09:54:18,592 INFO L226 Difference]: Without dead ends: 1440 [2024-11-12 09:54:18,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-12 09:54:18,595 INFO L435 NwaCegarLoop]: 503 mSDtfsCounter, 382 mSDsluCounter, 3102 mSDsCounter, 0 mSdLazyCounter, 2919 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 3605 SdHoareTripleChecker+Invalid, 3189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 2919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-12 09:54:18,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 3605 Invalid, 3189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 2919 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-12 09:54:18,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2024-11-12 09:54:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1431. [2024-11-12 09:54:18,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1060 states have (on average 1.369811320754717) internal successors, (1452), 1066 states have internal predecessors, (1452), 283 states have call successors, (283), 90 states have call predecessors, (283), 87 states have return successors, (279), 279 states have call predecessors, (279), 275 states have call successors, (279) [2024-11-12 09:54:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2014 transitions. [2024-11-12 09:54:18,699 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2014 transitions. Word has length 136 [2024-11-12 09:54:18,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:54:18,700 INFO L471 AbstractCegarLoop]: Abstraction has 1431 states and 2014 transitions. [2024-11-12 09:54:18,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-12 09:54:18,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2014 transitions. [2024-11-12 09:54:18,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-12 09:54:18,705 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:54:18,705 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-12 09:54:18,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 09:54:18,706 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:54:18,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:54:18,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1560851840, now seen corresponding path program 1 times [2024-11-12 09:54:18,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:54:18,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398478959] [2024-11-12 09:54:18,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:54:18,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:54:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:54:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 09:54:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 09:54:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 09:54:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 09:54:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 09:54:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:54:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 09:54:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:54:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:54:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 09:54:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 09:54:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 09:54:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 09:54:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 09:54:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:54:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 09:54:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 09:54:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 09:54:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 09:54:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 09:54:20,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:54:20,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398478959] [2024-11-12 09:54:20,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398478959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:54:20,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:54:20,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 09:54:20,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845205777] [2024-11-12 09:54:20,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:54:20,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 09:54:20,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:54:20,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 09:54:20,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-12 09:54:20,586 INFO L87 Difference]: Start difference. First operand 1431 states and 2014 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-12 09:54:23,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:54:27,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:54:27,099 INFO L93 Difference]: Finished difference Result 1506 states and 2109 transitions. [2024-11-12 09:54:27,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 09:54:27,100 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 133 [2024-11-12 09:54:27,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:54:27,109 INFO L225 Difference]: With dead ends: 1506 [2024-11-12 09:54:27,110 INFO L226 Difference]: Without dead ends: 1430 [2024-11-12 09:54:27,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-12 09:54:27,112 INFO L435 NwaCegarLoop]: 503 mSDtfsCounter, 380 mSDsluCounter, 2777 mSDsCounter, 0 mSdLazyCounter, 2633 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 3280 SdHoareTripleChecker+Invalid, 2901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 2633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-12 09:54:27,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 3280 Invalid, 2901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 2633 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-12 09:54:27,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-12 09:54:27,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1421. [2024-11-12 09:54:27,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1421 states, 1054 states have (on average 1.3709677419354838) internal successors, (1445), 1059 states have internal predecessors, (1445), 279 states have call successors, (279), 88 states have call predecessors, (279), 87 states have return successors, (278), 278 states have call predecessors, (278), 274 states have call successors, (278) [2024-11-12 09:54:27,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1421 states and 2002 transitions. [2024-11-12 09:54:27,276 INFO L78 Accepts]: Start accepts. Automaton has 1421 states and 2002 transitions. Word has length 133 [2024-11-12 09:54:27,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:54:27,277 INFO L471 AbstractCegarLoop]: Abstraction has 1421 states and 2002 transitions. [2024-11-12 09:54:27,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-12 09:54:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 2002 transitions. [2024-11-12 09:54:27,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-12 09:54:27,282 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:54:27,283 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-12 09:54:27,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 09:54:27,283 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:54:27,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:54:27,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1514311677, now seen corresponding path program 1 times [2024-11-12 09:54:27,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:54:27,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171765769] [2024-11-12 09:54:27,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:54:27,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:54:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:28,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:54:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:28,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:54:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:28,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 09:54:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:54:28,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 09:54:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat