./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 11:24:50,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 11:24:50,868 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 11:24:50,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 11:24:50,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 11:24:50,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 11:24:50,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 11:24:50,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 11:24:50,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 11:24:50,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 11:24:50,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 11:24:50,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 11:24:50,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 11:24:50,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 11:24:50,914 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 11:24:50,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 11:24:50,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 11:24:50,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 11:24:50,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 11:24:50,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 11:24:50,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 11:24:50,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 11:24:50,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 11:24:50,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 11:24:50,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 11:24:50,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 11:24:50,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 11:24:50,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 11:24:50,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 11:24:50,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:24:50,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 11:24:50,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 11:24:50,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 11:24:50,922 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 11:24:50,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 11:24:50,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 11:24:50,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 11:24:50,922 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 11:24:50,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 11:24:50,923 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2024-11-20 11:24:51,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 11:24:51,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 11:24:51,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 11:24:51,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 11:24:51,164 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 11:24:51,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-11-20 11:24:52,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 11:24:52,915 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 11:24:52,915 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-11-20 11:24:52,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a11c85a3b/6040d30758c5479daaf5030859fade96/FLAGcdc867d56 [2024-11-20 11:24:52,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a11c85a3b/6040d30758c5479daaf5030859fade96 [2024-11-20 11:24:52,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 11:24:52,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 11:24:52,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 11:24:52,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 11:24:52,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 11:24:52,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:24:52" (1/1) ... [2024-11-20 11:24:52,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186a29ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:52, skipping insertion in model container [2024-11-20 11:24:52,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:24:52" (1/1) ... [2024-11-20 11:24:53,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 11:24:53,976 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2024-11-20 11:24:54,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:24:54,028 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 11:24:54,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4160] [2024-11-20 11:24:54,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4167] [2024-11-20 11:24:54,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4182] [2024-11-20 11:24:54,341 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2024-11-20 11:24:54,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:24:54,461 INFO L204 MainTranslator]: Completed translation [2024-11-20 11:24:54,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54 WrapperNode [2024-11-20 11:24:54,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 11:24:54,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 11:24:54,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 11:24:54,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 11:24:54,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (1/1) ... [2024-11-20 11:24:54,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (1/1) ... [2024-11-20 11:24:54,565 INFO L138 Inliner]: procedures = 151, calls = 825, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1885 [2024-11-20 11:24:54,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 11:24:54,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 11:24:54,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 11:24:54,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 11:24:54,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (1/1) ... [2024-11-20 11:24:54,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (1/1) ... [2024-11-20 11:24:54,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (1/1) ... [2024-11-20 11:24:54,755 INFO L175 MemorySlicer]: Split 277 memory accesses to 11 slices as follows [2, 3, 16, 16, 12, 8, 24, 170, 23, 2, 1]. 61 percent of accesses are in the largest equivalence class. The 51 initializations are split as follows [2, 3, 16, 0, 0, 8, 18, 4, 0, 0, 0]. The 81 writes are split as follows [0, 0, 0, 16, 1, 0, 6, 42, 16, 0, 0]. [2024-11-20 11:24:54,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (1/1) ... [2024-11-20 11:24:54,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (1/1) ... [2024-11-20 11:24:54,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (1/1) ... [2024-11-20 11:24:54,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (1/1) ... [2024-11-20 11:24:54,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (1/1) ... [2024-11-20 11:24:54,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (1/1) ... [2024-11-20 11:24:54,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 11:24:54,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 11:24:54,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 11:24:54,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 11:24:54,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (1/1) ... [2024-11-20 11:24:54,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:24:54,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:24:54,896 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) [2024-11-20 11:24:54,900 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 [2024-11-20 11:24:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2024-11-20 11:24:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2024-11-20 11:24:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2024-11-20 11:24:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2024-11-20 11:24:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 11:24:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 11:24:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 11:24:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 11:24:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 11:24:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 11:24:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 11:24:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-20 11:24:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-20 11:24:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-20 11:24:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-20 11:24:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-20 11:24:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-20 11:24:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-20 11:24:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-20 11:24:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-20 11:24:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-20 11:24:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-20 11:24:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-20 11:24:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-20 11:24:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-20 11:24:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-20 11:24:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 11:24:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 11:24:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 11:24:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 11:24:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 11:24:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-20 11:24:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 11:24:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 11:24:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 11:24:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 11:24:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-20 11:24:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-20 11:24:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-20 11:24:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-20 11:24:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2024-11-20 11:24:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2024-11-20 11:24:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2024-11-20 11:24:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2024-11-20 11:24:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-20 11:24:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-20 11:24:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-20 11:24:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-20 11:24:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-20 11:24:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-20 11:24:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-20 11:24:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-20 11:24:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-20 11:24:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-20 11:24:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-20 11:24:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-20 11:24:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-20 11:24:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-20 11:24:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-20 11:24:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-20 11:24:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-20 11:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-20 11:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-20 11:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-20 11:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-20 11:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-20 11:24:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-20 11:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-20 11:24:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-20 11:24:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-20 11:24:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-20 11:24:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-20 11:24:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-20 11:24:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-20 11:24:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-20 11:24:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-20 11:24:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 11:24:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 11:24:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 11:24:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 11:24:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 11:24:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 11:24:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 11:24:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 11:24:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 11:24:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-20 11:24:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-20 11:24:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-20 11:24:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-20 11:24:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-20 11:24:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-20 11:24:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2024-11-20 11:24:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2024-11-20 11:24:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 11:24:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 11:24:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 11:24:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-20 11:24:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-20 11:24:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-20 11:24:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-20 11:24:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-20 11:24:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-20 11:24:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-20 11:24:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-20 11:24:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 11:24:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 11:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 11:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-20 11:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-20 11:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-20 11:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-20 11:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-20 11:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-20 11:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-20 11:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-20 11:24:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2024-11-20 11:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2024-11-20 11:24:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-20 11:24:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-20 11:24:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 11:24:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 11:24:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 11:24:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-20 11:24:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-20 11:24:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-20 11:24:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-20 11:24:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2024-11-20 11:24:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2024-11-20 11:24:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 11:24:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2024-11-20 11:24:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2024-11-20 11:24:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-20 11:24:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-20 11:24:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 11:24:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 11:24:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 11:24:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 11:24:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 11:24:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 11:24:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 11:24:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 11:24:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-20 11:24:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-20 11:24:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-20 11:24:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-20 11:24:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2024-11-20 11:24:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2024-11-20 11:24:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-20 11:24:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-20 11:24:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2024-11-20 11:24:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2024-11-20 11:24:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 11:24:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 11:24:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 11:24:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 11:24:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 11:24:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 11:24:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 11:24:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-20 11:24:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-20 11:24:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-20 11:24:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-20 11:24:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2024-11-20 11:24:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2024-11-20 11:24:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-20 11:24:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-20 11:24:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 11:24:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 11:24:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 11:24:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 11:24:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 11:24:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 11:24:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 11:24:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 11:24:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-20 11:24:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-20 11:24:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-20 11:24:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-20 11:24:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2024-11-20 11:24:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2024-11-20 11:24:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-20 11:24:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-20 11:24:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-20 11:24:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-20 11:24:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2024-11-20 11:24:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2024-11-20 11:24:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-20 11:24:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-20 11:24:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 11:24:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 11:24:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 11:24:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 11:24:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 11:24:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 11:24:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 11:24:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 11:24:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 11:24:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-20 11:24:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-20 11:24:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2024-11-20 11:24:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2024-11-20 11:24:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-20 11:24:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-20 11:24:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-20 11:24:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-20 11:24:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-20 11:24:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-20 11:24:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-20 11:24:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-20 11:24:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-20 11:24:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-20 11:24:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-20 11:24:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 11:24:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 11:24:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2024-11-20 11:24:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2024-11-20 11:24:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2024-11-20 11:24:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2024-11-20 11:24:55,399 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 11:24:55,403 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 11:24:55,507 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-20 11:24:56,956 INFO L? ?]: Removed 925 outVars from TransFormulas that were not future-live. [2024-11-20 11:24:56,956 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 11:24:56,982 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 11:24:56,983 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 11:24:56,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:24:56 BoogieIcfgContainer [2024-11-20 11:24:56,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 11:24:56,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 11:24:56,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 11:24:56,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 11:24:56,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:24:52" (1/3) ... [2024-11-20 11:24:56,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbb4159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:24:56, skipping insertion in model container [2024-11-20 11:24:56,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:54" (2/3) ... [2024-11-20 11:24:56,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbb4159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:24:56, skipping insertion in model container [2024-11-20 11:24:56,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:24:56" (3/3) ... [2024-11-20 11:24:56,990 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-11-20 11:24:57,003 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 11:24:57,004 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 11:24:57,061 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 11:24:57,066 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;@6ab822b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 11:24:57,066 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 11:24:57,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 655 states, 457 states have (on average 1.3085339168490153) internal successors, (598), 468 states have internal predecessors, (598), 156 states have call successors, (156), 41 states have call predecessors, (156), 40 states have return successors, (152), 151 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-20 11:24:57,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-20 11:24:57,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:24:57,084 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:24:57,085 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:24:57,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:24:57,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1287886177, now seen corresponding path program 1 times [2024-11-20 11:24:57,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:24:57,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794598145] [2024-11-20 11:24:57,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:24:57,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:24:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:24:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:24:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:24:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:24:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:24:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:24:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:24:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 11:24:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 11:24:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 11:24:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:24:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:24:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 11:24:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 11:24:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 11:24:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 11:24:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 11:24:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2024-11-20 11:24:57,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:24:57,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794598145] [2024-11-20 11:24:57,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794598145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:24:57,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:24:57,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 11:24:57,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648993020] [2024-11-20 11:24:57,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:24:57,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 11:24:57,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:24:58,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 11:24:58,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 11:24:58,024 INFO L87 Difference]: Start difference. First operand has 655 states, 457 states have (on average 1.3085339168490153) internal successors, (598), 468 states have internal predecessors, (598), 156 states have call successors, (156), 41 states have call predecessors, (156), 40 states have return successors, (152), 151 states have call predecessors, (152), 152 states have call successors, (152) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-20 11:24:59,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:24:59,426 INFO L93 Difference]: Finished difference Result 1336 states and 1909 transitions. [2024-11-20 11:24:59,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 11:24:59,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 184 [2024-11-20 11:24:59,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:24:59,446 INFO L225 Difference]: With dead ends: 1336 [2024-11-20 11:24:59,450 INFO L226 Difference]: Without dead ends: 675 [2024-11-20 11:24:59,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:24:59,462 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 525 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 11:24:59,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1283 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 11:24:59,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-11-20 11:24:59,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 644. [2024-11-20 11:24:59,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 452 states have (on average 1.2898230088495575) internal successors, (583), 457 states have internal predecessors, (583), 152 states have call successors, (152), 40 states have call predecessors, (152), 39 states have return successors, (150), 149 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-20 11:24:59,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 885 transitions. [2024-11-20 11:24:59,570 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 885 transitions. Word has length 184 [2024-11-20 11:24:59,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:24:59,570 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 885 transitions. [2024-11-20 11:24:59,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-20 11:24:59,571 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 885 transitions. [2024-11-20 11:24:59,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-20 11:24:59,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:24:59,573 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:24:59,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 11:24:59,574 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:24:59,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:24:59,574 INFO L85 PathProgramCache]: Analyzing trace with hash -571644507, now seen corresponding path program 1 times [2024-11-20 11:24:59,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:24:59,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67369813] [2024-11-20 11:24:59,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:24:59,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:24:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:59,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:24:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:59,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:59,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:24:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:59,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:24:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:59,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:59,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:24:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:59,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:24:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:59,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:59,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:24:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:24:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:24:59,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:24:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 11:25:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 11:25:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 11:25:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:25:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:25:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 11:25:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 11:25:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 11:25:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 11:25:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 11:25:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:00,173 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2024-11-20 11:25:00,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:25:00,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67369813] [2024-11-20 11:25:00,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67369813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:25:00,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:25:00,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:25:00,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694017399] [2024-11-20 11:25:00,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:25:00,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:25:00,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:25:00,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:25:00,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:25:00,178 INFO L87 Difference]: Start difference. First operand 644 states and 885 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-20 11:25:02,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:25:02,494 INFO L93 Difference]: Finished difference Result 1878 states and 2648 transitions. [2024-11-20 11:25:02,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 11:25:02,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 184 [2024-11-20 11:25:02,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:25:02,504 INFO L225 Difference]: With dead ends: 1878 [2024-11-20 11:25:02,504 INFO L226 Difference]: Without dead ends: 1274 [2024-11-20 11:25:02,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-20 11:25:02,507 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 1396 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 689 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1545 SdHoareTripleChecker+Valid, 1991 SdHoareTripleChecker+Invalid, 2227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 689 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-20 11:25:02,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1545 Valid, 1991 Invalid, 2227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [689 Valid, 1538 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-20 11:25:02,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2024-11-20 11:25:02,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1215. [2024-11-20 11:25:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 860 states have (on average 1.2988372093023255) internal successors, (1117), 869 states have internal predecessors, (1117), 280 states have call successors, (280), 75 states have call predecessors, (280), 74 states have return successors, (278), 276 states have call predecessors, (278), 278 states have call successors, (278) [2024-11-20 11:25:02,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1675 transitions. [2024-11-20 11:25:02,572 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1675 transitions. Word has length 184 [2024-11-20 11:25:02,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:25:02,573 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1675 transitions. [2024-11-20 11:25:02,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-20 11:25:02,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1675 transitions. [2024-11-20 11:25:02,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 11:25:02,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:25:02,577 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-20 11:25:02,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 11:25:02,577 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:25:02,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:25:02,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1586467311, now seen corresponding path program 1 times [2024-11-20 11:25:02,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:25:02,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531813800] [2024-11-20 11:25:02,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:02,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:25:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:25:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:25:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:25:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:25:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 11:25:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 11:25:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 11:25:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:25:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:25:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 11:25:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:02,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:03,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 11:25:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:03,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:03,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 11:25:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:03,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:03,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 11:25:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:03,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:03,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 11:25:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:03,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:03,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 11:25:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:03,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 11:25:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-20 11:25:03,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:25:03,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531813800] [2024-11-20 11:25:03,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531813800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:25:03,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:25:03,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 11:25:03,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84039499] [2024-11-20 11:25:03,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:25:03,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 11:25:03,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:25:03,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 11:25:03,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:25:03,105 INFO L87 Difference]: Start difference. First operand 1215 states and 1675 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 11:25:04,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:25:04,714 INFO L93 Difference]: Finished difference Result 2445 states and 3431 transitions. [2024-11-20 11:25:04,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 11:25:04,715 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 197 [2024-11-20 11:25:04,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:25:04,722 INFO L225 Difference]: With dead ends: 2445 [2024-11-20 11:25:04,722 INFO L226 Difference]: Without dead ends: 1270 [2024-11-20 11:25:04,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-20 11:25:04,727 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 1091 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 1981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-20 11:25:04,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 1996 Invalid, 1981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-20 11:25:04,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2024-11-20 11:25:04,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1214. [2024-11-20 11:25:04,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 859 states have (on average 1.2956926658905705) internal successors, (1113), 868 states have internal predecessors, (1113), 280 states have call successors, (280), 75 states have call predecessors, (280), 74 states have return successors, (278), 276 states have call predecessors, (278), 278 states have call successors, (278) [2024-11-20 11:25:04,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1671 transitions. [2024-11-20 11:25:04,789 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1671 transitions. Word has length 197 [2024-11-20 11:25:04,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:25:04,789 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1671 transitions. [2024-11-20 11:25:04,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 11:25:04,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1671 transitions. [2024-11-20 11:25:04,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-20 11:25:04,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:25:04,795 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-11-20 11:25:04,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 11:25:04,796 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:25:04,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:25:04,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2068418200, now seen corresponding path program 1 times [2024-11-20 11:25:04,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:25:04,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274825278] [2024-11-20 11:25:04,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:04,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:25:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:25:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:25:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:25:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:25:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 11:25:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 11:25:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 11:25:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:25:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:25:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 11:25:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 11:25:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 11:25:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 11:25:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 11:25:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 11:25:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 11:25:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 11:25:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 11:25:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 11:25:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:05,352 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2024-11-20 11:25:05,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:25:05,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274825278] [2024-11-20 11:25:05,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274825278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:25:05,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:25:05,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:25:05,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602595395] [2024-11-20 11:25:05,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:25:05,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:25:05,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:25:05,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:25:05,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:25:05,354 INFO L87 Difference]: Start difference. First operand 1214 states and 1671 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 11:25:07,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:25:07,764 INFO L93 Difference]: Finished difference Result 3665 states and 5161 transitions. [2024-11-20 11:25:07,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 11:25:07,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 255 [2024-11-20 11:25:07,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:25:07,778 INFO L225 Difference]: With dead ends: 3665 [2024-11-20 11:25:07,778 INFO L226 Difference]: Without dead ends: 2487 [2024-11-20 11:25:07,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-20 11:25:07,787 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 1422 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 700 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1566 SdHoareTripleChecker+Valid, 2030 SdHoareTripleChecker+Invalid, 2227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 700 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-20 11:25:07,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1566 Valid, 2030 Invalid, 2227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [700 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-20 11:25:07,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2024-11-20 11:25:07,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2377. [2024-11-20 11:25:07,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2377 states, 1687 states have (on average 1.2987551867219918) internal successors, (2191), 1704 states have internal predecessors, (2191), 543 states have call successors, (543), 147 states have call predecessors, (543), 146 states have return successors, (541), 537 states have call predecessors, (541), 541 states have call successors, (541) [2024-11-20 11:25:07,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2377 states and 3275 transitions. [2024-11-20 11:25:07,921 INFO L78 Accepts]: Start accepts. Automaton has 2377 states and 3275 transitions. Word has length 255 [2024-11-20 11:25:07,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:25:07,922 INFO L471 AbstractCegarLoop]: Abstraction has 2377 states and 3275 transitions. [2024-11-20 11:25:07,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 11:25:07,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 3275 transitions. [2024-11-20 11:25:07,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-20 11:25:07,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:25:07,930 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2024-11-20 11:25:07,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 11:25:07,931 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:25:07,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:25:07,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1316920141, now seen corresponding path program 1 times [2024-11-20 11:25:07,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:25:07,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070461581] [2024-11-20 11:25:07,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:07,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:25:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:25:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:25:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:25:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:25:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 11:25:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 11:25:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 11:25:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:25:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:25:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 11:25:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 11:25:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 11:25:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 11:25:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 11:25:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 11:25:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 11:25:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 11:25:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 11:25:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 11:25:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:08,332 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-11-20 11:25:08,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:25:08,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070461581] [2024-11-20 11:25:08,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070461581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:25:08,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:25:08,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:25:08,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025932558] [2024-11-20 11:25:08,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:25:08,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:25:08,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:25:08,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:25:08,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:25:08,334 INFO L87 Difference]: Start difference. First operand 2377 states and 3275 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 11:25:10,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:25:10,099 INFO L93 Difference]: Finished difference Result 4824 states and 6761 transitions. [2024-11-20 11:25:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 11:25:10,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 277 [2024-11-20 11:25:10,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:25:10,122 INFO L225 Difference]: With dead ends: 4824 [2024-11-20 11:25:10,126 INFO L226 Difference]: Without dead ends: 2487 [2024-11-20 11:25:10,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 11:25:10,143 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 522 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 11:25:10,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1700 Invalid, 1629 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [436 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 11:25:10,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2024-11-20 11:25:10,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2381. [2024-11-20 11:25:10,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 1691 states have (on average 1.2980484920165583) internal successors, (2195), 1708 states have internal predecessors, (2195), 543 states have call successors, (543), 147 states have call predecessors, (543), 146 states have return successors, (541), 537 states have call predecessors, (541), 541 states have call successors, (541) [2024-11-20 11:25:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3279 transitions. [2024-11-20 11:25:10,243 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3279 transitions. Word has length 277 [2024-11-20 11:25:10,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:25:10,246 INFO L471 AbstractCegarLoop]: Abstraction has 2381 states and 3279 transitions. [2024-11-20 11:25:10,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 11:25:10,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3279 transitions. [2024-11-20 11:25:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-20 11:25:10,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:25:10,252 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2024-11-20 11:25:10,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 11:25:10,253 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:25:10,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:25:10,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1698183477, now seen corresponding path program 1 times [2024-11-20 11:25:10,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:25:10,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761309100] [2024-11-20 11:25:10,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:10,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:25:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:25:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:25:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:25:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:25:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 11:25:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 11:25:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 11:25:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:25:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:25:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 11:25:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 11:25:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 11:25:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 11:25:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 11:25:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 11:25:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 11:25:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 11:25:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 11:25:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 11:25:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-11-20 11:25:11,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:25:11,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761309100] [2024-11-20 11:25:11,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761309100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:25:11,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747368859] [2024-11-20 11:25:11,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:11,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:25:11,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:25:11,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 11:25:11,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 11:25:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:11,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 11:25:11,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:25:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-11-20 11:25:12,069 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:25:12,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747368859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:25:12,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:25:12,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-20 11:25:12,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128760578] [2024-11-20 11:25:12,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:25:12,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:25:12,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:25:12,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:25:12,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-20 11:25:12,071 INFO L87 Difference]: Start difference. First operand 2381 states and 3279 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 11:25:12,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:25:12,175 INFO L93 Difference]: Finished difference Result 3563 states and 4906 transitions. [2024-11-20 11:25:12,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 11:25:12,175 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 277 [2024-11-20 11:25:12,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:25:12,187 INFO L225 Difference]: With dead ends: 3563 [2024-11-20 11:25:12,188 INFO L226 Difference]: Without dead ends: 2387 [2024-11-20 11:25:12,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-20 11:25:12,195 INFO L432 NwaCegarLoop]: 881 mSDtfsCounter, 0 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4386 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 11:25:12,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4386 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 11:25:12,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2024-11-20 11:25:12,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2387. [2024-11-20 11:25:12,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 1697 states have (on average 1.2969946965232764) internal successors, (2201), 1714 states have internal predecessors, (2201), 543 states have call successors, (543), 147 states have call predecessors, (543), 146 states have return successors, (541), 537 states have call predecessors, (541), 541 states have call successors, (541) [2024-11-20 11:25:12,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3285 transitions. [2024-11-20 11:25:12,296 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3285 transitions. Word has length 277 [2024-11-20 11:25:12,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:25:12,297 INFO L471 AbstractCegarLoop]: Abstraction has 2387 states and 3285 transitions. [2024-11-20 11:25:12,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 11:25:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3285 transitions. [2024-11-20 11:25:12,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-20 11:25:12,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:25:12,304 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:25:12,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 11:25:12,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-20 11:25:12,505 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:25:12,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:25:12,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1683162248, now seen corresponding path program 1 times [2024-11-20 11:25:12,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:25:12,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930546177] [2024-11-20 11:25:12,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:12,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:25:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:25:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:25:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:25:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:25:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 11:25:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 11:25:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 11:25:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:25:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:25:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 11:25:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 11:25:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 11:25:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 11:25:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 11:25:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 11:25:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:25:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 11:25:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 11:25:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 11:25:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 11:25:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 11:25:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 11:25:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 11:25:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 11:25:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:12,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 11:25:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:13,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 11:25:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:13,014 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-20 11:25:13,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:25:13,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930546177] [2024-11-20 11:25:13,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930546177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:25:13,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:25:13,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 11:25:13,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359105367] [2024-11-20 11:25:13,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:25:13,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 11:25:13,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:25:13,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 11:25:13,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:25:13,018 INFO L87 Difference]: Start difference. First operand 2387 states and 3285 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (31), 9 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-20 11:25:15,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:25:15,843 INFO L93 Difference]: Finished difference Result 3981 states and 5505 transitions. [2024-11-20 11:25:15,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 11:25:15,843 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (31), 9 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 278 [2024-11-20 11:25:15,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:25:15,853 INFO L225 Difference]: With dead ends: 3981 [2024-11-20 11:25:15,853 INFO L226 Difference]: Without dead ends: 1634 [2024-11-20 11:25:15,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2024-11-20 11:25:15,861 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 1058 mSDsluCounter, 2408 mSDsCounter, 0 mSdLazyCounter, 2384 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1088 SdHoareTripleChecker+Valid, 2997 SdHoareTripleChecker+Invalid, 3187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 2384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-20 11:25:15,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1088 Valid, 2997 Invalid, 3187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 2384 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-20 11:25:15,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2024-11-20 11:25:15,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1490. [2024-11-20 11:25:15,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1064 states have (on average 1.2866541353383458) internal successors, (1369), 1075 states have internal predecessors, (1369), 321 states have call successors, (321), 105 states have call predecessors, (321), 104 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2024-11-20 11:25:15,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2009 transitions. [2024-11-20 11:25:15,976 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2009 transitions. Word has length 278 [2024-11-20 11:25:15,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:25:15,976 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2009 transitions. [2024-11-20 11:25:15,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (31), 9 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-20 11:25:15,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2009 transitions. [2024-11-20 11:25:15,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-20 11:25:15,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:25:15,981 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:25:15,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 11:25:15,981 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:25:15,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:25:15,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1272460702, now seen corresponding path program 1 times [2024-11-20 11:25:15,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:25:15,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555360127] [2024-11-20 11:25:15,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:15,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:25:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:25:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:25:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:25:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:25:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 11:25:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 11:25:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 11:25:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:25:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:25:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 11:25:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 11:25:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 11:25:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 11:25:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 11:25:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 11:25:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 11:25:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 11:25:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 11:25:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 11:25:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-20 11:25:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:25:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-11-20 11:25:16,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:25:16,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555360127] [2024-11-20 11:25:16,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555360127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:25:16,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:25:16,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 11:25:16,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133966423] [2024-11-20 11:25:16,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:25:16,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 11:25:16,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:25:16,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 11:25:16,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 11:25:16,706 INFO L87 Difference]: Start difference. First operand 1490 states and 2009 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-20 11:25:18,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:25:18,600 INFO L93 Difference]: Finished difference Result 3013 states and 4169 transitions. [2024-11-20 11:25:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 11:25:18,600 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 293 [2024-11-20 11:25:18,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:25:18,609 INFO L225 Difference]: With dead ends: 3013 [2024-11-20 11:25:18,609 INFO L226 Difference]: Without dead ends: 1603 [2024-11-20 11:25:18,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-20 11:25:18,615 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 584 mSDsluCounter, 1926 mSDsCounter, 0 mSdLazyCounter, 2043 mSolverCounterSat, 470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 2509 SdHoareTripleChecker+Invalid, 2513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 2043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-20 11:25:18,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 2509 Invalid, 2513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [470 Valid, 2043 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-20 11:25:18,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2024-11-20 11:25:18,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1490. [2024-11-20 11:25:18,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1064 states have (on average 1.2847744360902256) internal successors, (1367), 1075 states have internal predecessors, (1367), 321 states have call successors, (321), 105 states have call predecessors, (321), 104 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2024-11-20 11:25:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2007 transitions. [2024-11-20 11:25:18,674 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2007 transitions. Word has length 293 [2024-11-20 11:25:18,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:25:18,674 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2007 transitions. [2024-11-20 11:25:18,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-20 11:25:18,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2007 transitions. [2024-11-20 11:25:18,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 11:25:18,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:25:18,678 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:25:18,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 11:25:18,678 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:25:18,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:25:18,679 INFO L85 PathProgramCache]: Analyzing trace with hash 2113996001, now seen corresponding path program 1 times [2024-11-20 11:25:18,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:25:18,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185546729] [2024-11-20 11:25:18,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:18,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:25:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:25:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:25:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:25:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:25:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 11:25:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 11:25:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 11:25:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:25:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:25:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 11:25:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 11:25:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 11:25:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 11:25:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 11:25:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 11:25:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 11:25:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 11:25:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 11:25:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 11:25:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-20 11:25:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:25:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2024-11-20 11:25:19,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:25:19,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185546729] [2024-11-20 11:25:19,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185546729] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:25:19,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654518564] [2024-11-20 11:25:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:19,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:25:19,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:25:19,600 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 11:25:19,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 11:25:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:20,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-20 11:25:20,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:25:20,419 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-20 11:25:20,419 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:25:20,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654518564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:25:20,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:25:20,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 12 [2024-11-20 11:25:20,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666641703] [2024-11-20 11:25:20,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:25:20,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:25:20,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:25:20,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:25:20,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-20 11:25:20,421 INFO L87 Difference]: Start difference. First operand 1490 states and 2007 transitions. Second operand has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-20 11:25:20,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:25:20,568 INFO L93 Difference]: Finished difference Result 2976 states and 4017 transitions. [2024-11-20 11:25:20,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 11:25:20,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 295 [2024-11-20 11:25:20,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:25:20,579 INFO L225 Difference]: With dead ends: 2976 [2024-11-20 11:25:20,580 INFO L226 Difference]: Without dead ends: 1491 [2024-11-20 11:25:20,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-20 11:25:20,588 INFO L432 NwaCegarLoop]: 868 mSDtfsCounter, 4 mSDsluCounter, 3444 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 11:25:20,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4312 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 11:25:20,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2024-11-20 11:25:20,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1491. [2024-11-20 11:25:20,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1491 states, 1065 states have (on average 1.2845070422535212) internal successors, (1368), 1076 states have internal predecessors, (1368), 321 states have call successors, (321), 105 states have call predecessors, (321), 104 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2024-11-20 11:25:20,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2008 transitions. [2024-11-20 11:25:20,660 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2008 transitions. Word has length 295 [2024-11-20 11:25:20,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:25:20,660 INFO L471 AbstractCegarLoop]: Abstraction has 1491 states and 2008 transitions. [2024-11-20 11:25:20,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-20 11:25:20,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2008 transitions. [2024-11-20 11:25:20,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-20 11:25:20,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:25:20,664 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:25:20,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 11:25:20,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-20 11:25:20,866 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:25:20,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:25:20,868 INFO L85 PathProgramCache]: Analyzing trace with hash 951305680, now seen corresponding path program 1 times [2024-11-20 11:25:20,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:25:20,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212726447] [2024-11-20 11:25:20,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:20,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:25:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:25:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:25:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:25:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:25:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 11:25:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 11:25:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 11:25:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 11:25:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 11:25:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 11:25:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 11:25:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 11:25:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 11:25:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 11:25:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 11:25:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 11:25:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 11:25:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 11:25:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 11:25:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-20 11:25:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:25:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:21,785 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-11-20 11:25:21,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:25:21,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212726447] [2024-11-20 11:25:21,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212726447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:25:21,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276210409] [2024-11-20 11:25:21,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:21,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:25:21,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:25:21,788 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 11:25:21,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 11:25:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:22,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 2233 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-20 11:25:22,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:25:22,744 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 351 proven. 1 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2024-11-20 11:25:22,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 11:25:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-11-20 11:25:23,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276210409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 11:25:23,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 11:25:23,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2024-11-20 11:25:23,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572943547] [2024-11-20 11:25:23,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 11:25:23,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 11:25:23,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:25:23,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 11:25:23,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-20 11:25:23,086 INFO L87 Difference]: Start difference. First operand 1491 states and 2008 transitions. Second operand has 17 states, 15 states have (on average 9.933333333333334) internal successors, (149), 13 states have internal predecessors, (149), 4 states have call successors, (68), 6 states have call predecessors, (68), 6 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-20 11:25:27,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:25:27,199 INFO L93 Difference]: Finished difference Result 3095 states and 4236 transitions. [2024-11-20 11:25:27,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-20 11:25:27,199 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 9.933333333333334) internal successors, (149), 13 states have internal predecessors, (149), 4 states have call successors, (68), 6 states have call predecessors, (68), 6 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 306 [2024-11-20 11:25:27,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:25:27,227 INFO L225 Difference]: With dead ends: 3095 [2024-11-20 11:25:27,227 INFO L226 Difference]: Without dead ends: 1614 [2024-11-20 11:25:27,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 690 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=226, Invalid=896, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 11:25:27,241 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 466 mSDsluCounter, 5444 mSDsCounter, 0 mSdLazyCounter, 5308 mSolverCounterSat, 346 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 6008 SdHoareTripleChecker+Invalid, 5654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 346 IncrementalHoareTripleChecker+Valid, 5308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-20 11:25:27,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 6008 Invalid, 5654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [346 Valid, 5308 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-20 11:25:27,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2024-11-20 11:25:27,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1507. [2024-11-20 11:25:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1507 states, 1076 states have (on average 1.2825278810408922) internal successors, (1380), 1087 states have internal predecessors, (1380), 323 states have call successors, (323), 108 states have call predecessors, (323), 107 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-20 11:25:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 2024 transitions. [2024-11-20 11:25:27,386 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 2024 transitions. Word has length 306 [2024-11-20 11:25:27,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:25:27,390 INFO L471 AbstractCegarLoop]: Abstraction has 1507 states and 2024 transitions. [2024-11-20 11:25:27,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 9.933333333333334) internal successors, (149), 13 states have internal predecessors, (149), 4 states have call successors, (68), 6 states have call predecessors, (68), 6 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-20 11:25:27,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2024 transitions. [2024-11-20 11:25:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-20 11:25:27,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:25:27,393 INFO L215 NwaCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:25:27,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 11:25:27,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:25:27,600 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:25:27,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:25:27,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1996503338, now seen corresponding path program 2 times [2024-11-20 11:25:27,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:25:27,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817156078] [2024-11-20 11:25:27,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:27,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:25:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:25:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:25:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:25:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:25:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 11:25:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 11:25:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 11:25:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:25:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 11:25:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 11:25:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 11:25:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 11:25:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 11:25:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 11:25:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 11:25:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 11:25:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 11:25:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 11:25:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 11:25:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 11:25:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:25:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2024-11-20 11:25:28,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:25:28,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817156078] [2024-11-20 11:25:28,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817156078] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:25:28,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235035006] [2024-11-20 11:25:28,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 11:25:28,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:25:28,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:25:28,814 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 11:25:28,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 11:25:29,963 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 11:25:29,963 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 11:25:29,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 2383 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-20 11:25:29,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:25:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 671 proven. 81 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-11-20 11:25:30,101 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 11:25:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 87 proven. 63 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2024-11-20 11:25:30,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235035006] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 11:25:30,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 11:25:30,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 8] total 23 [2024-11-20 11:25:30,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151478148] [2024-11-20 11:25:30,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 11:25:30,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-20 11:25:30,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:25:30,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-20 11:25:30,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-11-20 11:25:30,494 INFO L87 Difference]: Start difference. First operand 1507 states and 2024 transitions. Second operand has 23 states, 21 states have (on average 7.857142857142857) internal successors, (165), 19 states have internal predecessors, (165), 4 states have call successors, (63), 6 states have call predecessors, (63), 9 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) [2024-11-20 11:25:35,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:25:35,193 INFO L93 Difference]: Finished difference Result 3110 states and 4245 transitions. [2024-11-20 11:25:35,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-20 11:25:35,193 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 7.857142857142857) internal successors, (165), 19 states have internal predecessors, (165), 4 states have call successors, (63), 6 states have call predecessors, (63), 9 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) Word has length 316 [2024-11-20 11:25:35,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:25:35,201 INFO L225 Difference]: With dead ends: 3110 [2024-11-20 11:25:35,202 INFO L226 Difference]: Without dead ends: 1615 [2024-11-20 11:25:35,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 749 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=291, Invalid=1515, Unknown=0, NotChecked=0, Total=1806 [2024-11-20 11:25:35,206 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 456 mSDsluCounter, 6350 mSDsCounter, 0 mSdLazyCounter, 6567 mSolverCounterSat, 354 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 6915 SdHoareTripleChecker+Invalid, 6921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 354 IncrementalHoareTripleChecker+Valid, 6567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-20 11:25:35,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 6915 Invalid, 6921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [354 Valid, 6567 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-20 11:25:35,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2024-11-20 11:25:35,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1508. [2024-11-20 11:25:35,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 1077 states have (on average 1.2822655524605386) internal successors, (1381), 1088 states have internal predecessors, (1381), 323 states have call successors, (323), 108 states have call predecessors, (323), 107 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-20 11:25:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 2025 transitions. [2024-11-20 11:25:35,272 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 2025 transitions. Word has length 316 [2024-11-20 11:25:35,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:25:35,273 INFO L471 AbstractCegarLoop]: Abstraction has 1508 states and 2025 transitions. [2024-11-20 11:25:35,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 7.857142857142857) internal successors, (165), 19 states have internal predecessors, (165), 4 states have call successors, (63), 6 states have call predecessors, (63), 9 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) [2024-11-20 11:25:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 2025 transitions. [2024-11-20 11:25:35,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-20 11:25:35,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:25:35,278 INFO L215 NwaCegarLoop]: trace histogram [31, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:25:35,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 11:25:35,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:25:35,482 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:25:35,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:25:35,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2074494672, now seen corresponding path program 3 times [2024-11-20 11:25:35,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:25:35,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144358952] [2024-11-20 11:25:35,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:35,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:25:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:25:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:25:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:25:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:25:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 11:25:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 11:25:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-20 11:25:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 11:25:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 11:25:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 11:25:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 11:25:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 11:25:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 11:25:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 11:25:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 11:25:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 11:25:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 11:25:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 11:25:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 11:25:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 11:25:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:25:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 14 proven. 204 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2024-11-20 11:25:36,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:25:36,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144358952] [2024-11-20 11:25:36,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144358952] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:25:36,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701801012] [2024-11-20 11:25:36,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 11:25:36,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:25:36,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:25:36,617 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 11:25:36,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 11:25:41,498 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-20 11:25:41,498 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 11:25:41,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 1703 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-20 11:25:41,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:25:41,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 346 proven. 6 refuted. 0 times theorem prover too weak. 1171 trivial. 0 not checked. [2024-11-20 11:25:41,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 11:25:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 212 proven. 6 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2024-11-20 11:25:42,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701801012] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 11:25:42,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 11:25:42,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 24 [2024-11-20 11:25:42,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297983242] [2024-11-20 11:25:42,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 11:25:42,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-20 11:25:42,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:25:42,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-20 11:25:42,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2024-11-20 11:25:42,047 INFO L87 Difference]: Start difference. First operand 1508 states and 2025 transitions. Second operand has 24 states, 22 states have (on average 7.2272727272727275) internal successors, (159), 20 states have internal predecessors, (159), 4 states have call successors, (58), 6 states have call predecessors, (58), 7 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-20 11:25:46,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:25:46,918 INFO L93 Difference]: Finished difference Result 3112 states and 4247 transitions. [2024-11-20 11:25:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-20 11:25:46,919 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 7.2272727272727275) internal successors, (159), 20 states have internal predecessors, (159), 4 states have call successors, (58), 6 states have call predecessors, (58), 7 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) Word has length 326 [2024-11-20 11:25:46,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:25:46,929 INFO L225 Difference]: With dead ends: 3112 [2024-11-20 11:25:46,929 INFO L226 Difference]: Without dead ends: 1616 [2024-11-20 11:25:46,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 767 GetRequests, 726 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=267, Invalid=1539, Unknown=0, NotChecked=0, Total=1806 [2024-11-20 11:25:46,936 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 457 mSDsluCounter, 4991 mSDsCounter, 0 mSdLazyCounter, 5167 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 5557 SdHoareTripleChecker+Invalid, 5519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 5167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-20 11:25:46,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 5557 Invalid, 5519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 5167 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-20 11:25:46,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2024-11-20 11:25:46,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1509. [2024-11-20 11:25:47,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1078 states have (on average 1.2820037105751392) internal successors, (1382), 1089 states have internal predecessors, (1382), 323 states have call successors, (323), 108 states have call predecessors, (323), 107 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-20 11:25:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2026 transitions. [2024-11-20 11:25:47,095 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2026 transitions. Word has length 326 [2024-11-20 11:25:47,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:25:47,095 INFO L471 AbstractCegarLoop]: Abstraction has 1509 states and 2026 transitions. [2024-11-20 11:25:47,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 7.2272727272727275) internal successors, (159), 20 states have internal predecessors, (159), 4 states have call successors, (58), 6 states have call predecessors, (58), 7 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-20 11:25:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2026 transitions. [2024-11-20 11:25:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-20 11:25:47,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:25:47,098 INFO L215 NwaCegarLoop]: trace histogram [41, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:25:47,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-20 11:25:47,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-20 11:25:47,303 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:25:47,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:25:47,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1085208490, now seen corresponding path program 4 times [2024-11-20 11:25:47,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:25:47,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713857038] [2024-11-20 11:25:47,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:25:47,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:25:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:25:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:25:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:25:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:25:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 11:25:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 11:25:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 11:25:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 11:25:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 11:25:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 11:25:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 11:25:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 11:25:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 11:25:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 11:25:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 11:25:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 11:25:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-20 11:25:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-20 11:25:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-20 11:25:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:25:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:25:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-20 11:25:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:25:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:25:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 16 proven. 289 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2024-11-20 11:25:48,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:25:48,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713857038] [2024-11-20 11:25:48,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713857038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:25:48,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384837909] [2024-11-20 11:25:48,587 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-20 11:25:48,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:25:48,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:25:48,590 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 11:25:48,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 11:25:55,340 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-20 11:25:55,340 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 11:25:55,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 2683 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-20 11:25:55,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:25:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 1215 proven. 107 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2024-11-20 11:25:55,849 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 11:25:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 140 proven. 165 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2024-11-20 11:25:56,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384837909] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 11:25:56,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 11:25:56,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 10] total 28 [2024-11-20 11:25:56,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072056581] [2024-11-20 11:25:56,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 11:25:56,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-20 11:25:56,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:25:56,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-20 11:25:56,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2024-11-20 11:25:56,471 INFO L87 Difference]: Start difference. First operand 1509 states and 2026 transitions. Second operand has 28 states, 26 states have (on average 6.461538461538462) internal successors, (168), 24 states have internal predecessors, (168), 4 states have call successors, (64), 6 states have call predecessors, (64), 8 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) [2024-11-20 11:26:02,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:26:02,046 INFO L93 Difference]: Finished difference Result 3117 states and 4255 transitions. [2024-11-20 11:26:02,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-20 11:26:02,049 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 6.461538461538462) internal successors, (168), 24 states have internal predecessors, (168), 4 states have call successors, (64), 6 states have call predecessors, (64), 8 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) Word has length 336 [2024-11-20 11:26:02,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:26:02,066 INFO L225 Difference]: With dead ends: 3117 [2024-11-20 11:26:02,066 INFO L226 Difference]: Without dead ends: 1625 [2024-11-20 11:26:02,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 797 GetRequests, 742 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=442, Invalid=2528, Unknown=0, NotChecked=0, Total=2970 [2024-11-20 11:26:02,074 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 703 mSDsluCounter, 7443 mSDsCounter, 0 mSdLazyCounter, 7637 mSolverCounterSat, 653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 8007 SdHoareTripleChecker+Invalid, 8290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 653 IncrementalHoareTripleChecker+Valid, 7637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-20 11:26:02,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 8007 Invalid, 8290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [653 Valid, 7637 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-20 11:26:02,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2024-11-20 11:26:02,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1518. [2024-11-20 11:26:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 1086 states have (on average 1.2808471454880295) internal successors, (1391), 1097 states have internal predecessors, (1391), 323 states have call successors, (323), 109 states have call predecessors, (323), 108 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-20 11:26:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2035 transitions. [2024-11-20 11:26:02,146 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2035 transitions. Word has length 336 [2024-11-20 11:26:02,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:26:02,146 INFO L471 AbstractCegarLoop]: Abstraction has 1518 states and 2035 transitions. [2024-11-20 11:26:02,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 6.461538461538462) internal successors, (168), 24 states have internal predecessors, (168), 4 states have call successors, (64), 6 states have call predecessors, (64), 8 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) [2024-11-20 11:26:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2035 transitions. [2024-11-20 11:26:02,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-20 11:26:02,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:26:02,150 INFO L215 NwaCegarLoop]: trace histogram [47, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:26:02,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 11:26:02,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:26:02,353 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:26:02,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:26:02,354 INFO L85 PathProgramCache]: Analyzing trace with hash 803282750, now seen corresponding path program 5 times [2024-11-20 11:26:02,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:26:02,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339356443] [2024-11-20 11:26:02,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:26:02,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:26:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:26:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:26:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:26:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:26:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:26:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:26:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:26:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 11:26:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 11:26:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:26:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 11:26:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 11:26:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 11:26:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 11:26:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 11:26:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 11:26:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 11:26:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 11:26:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 11:26:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-20 11:26:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:26:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 11:26:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:26:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-20 11:26:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:26:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:26:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 11:26:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:26:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:26:03,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1928 trivial. 0 not checked. [2024-11-20 11:26:03,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:26:03,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339356443] [2024-11-20 11:26:03,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339356443] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:26:03,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846454728] [2024-11-20 11:26:03,769 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-20 11:26:03,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:26:03,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:26:03,771 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 11:26:03,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process